🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.81 AU - 1.17 AU

Year: 375 Days

Day: 22.1 Hours

Environment

Temp: -1 °C

Axial Tilt: 15.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.94 AU - 1.04 AU

Year: 375 Days

Day: 34.8 Hours

Environment

Temp: 2 °C

Axial Tilt: 12.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.92 AU - 1.1 AU

Year: 387 Days

Day: 23.3 Hours

Environment

Temp: 0 °C

Axial Tilt: 34.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 34,813,621 km

• M1: 186,100 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.37 AU - 1.99 AU

Year: 829 Days

Day: 13.9 Hours

Environment

Temp: -62 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.11 AU - 4.11 AU

Year: 2612 Days

Day: 29.5 Hours

Environment

Temp: -123 °C

Axial Tilt: 43.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,813,621 km

• M1: 728,542 km (0.07 R)

Asteroid Belt

Center: 4.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.2

Radius: 10.4

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 5.73 AU - 6.53 AU

Year: 5779 Days

Day: 10.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 34,813,621 km

• M1: 130,300 km (0.114 R)
• M2: 224,247 km (0.109 R)
• M3: 509,979 km (0.11 R)
• M4: 587,770 km (0.11 R)
• M5: 875,148 km (0.11 R)
• M6: 957,576 km (0.087 R)
• M7: 1,130,511 km (0.052 R)
• M8: 1,221,018 km (0.055 R)
• M9: 1,393,654 km (0.108 R)
• M10: 1,507,797 km (0.083 R)
• M11: 1,676,543 km (0.087 R)
• M12: 1,833,771 km (0.052 R)
• M13: 2,144,336 km (0.081 R)
• M14: 2,631,576 km (0.059 R)
• M15: 2,794,638 km (0.088 R)
• M16: 3,773,905 km (0.096 R)
• M17: 3,865,759 km (0.08 R)
• M18: 3,958,360 km (0.085 R)
• M19: 4,028,371 km (0.083 R)
• M20: 4,726,096 km (0.077 R)
• M21: 5,127,168 km (0.088 R)
• M22: 5,229,194 km (0.075 R)
• M23: 5,962,074 km (0.077 R)
• M24: 6,951,215 km (0.115 R)
• M25: 7,036,037 km (0.111 R)
• M26: 7,263,725 km (0.087 R)
• M27: 7,609,744 km (0.113 R)
• M28: 7,755,602 km (0.098 R)
• M29: 7,931,829 km (0.087 R)
• M30: 8,020,391 km (0.097 R)
• M31: 8,228,481 km (0.089 R)
• M32: 8,498,655 km (0.096 R)
• M33: 8,680,267 km (0.043 R)
• M34: 8,955,377 km (0.035 R)
• M35: 9,078,496 km (0.111 R)
• M36: 9,608,222 km (0.027 R)
• M37: 9,829,178 km (0.117 R)
• M38: 10,020,065 km (0.082 R)
• M39: 10,762,819 km (0.05 R)
• M40: 11,290,002 km (0.083 R)
• M41: 11,490,014 km (0.098 R)
• M42: 11,792,052 km (0.09 R)
• M43: 12,232,917 km (0.108 R)
• M44: 12,541,388 km (0.114 R)
• M45: 12,610,203 km (0.105 R)
• M46: 13,165,959 km (0.063 R)
• M47: 13,341,288 km (0.104 R)
• M48: 13,517,364 km (0.111 R)
• M49: 13,765,098 km (0.102 R)
• M50: 14,698,739 km (0.038 R)
• M51: 14,807,796 km (0.095 R)
• M52: 15,875,775 km (0.099 R)
• M53: 16,137,272 km (0.079 R)
• M54: 16,892,292 km (0.101 R)
• M55: 17,968,499 km (0.076 R)
• M56: 18,632,864 km (0.098 R)
• M57: 19,544,363 km (0.093 R)
• M58: 19,744,525 km (0.114 R)
• M59: 19,905,044 km (0.065 R)
• M60: 20,227,427 km (0.118 R)
• M61: 20,551,606 km (0.049 R)
• M62: 20,673,678 km (0.106 R)
• M63: 20,836,590 km (0.075 R)
• M64: 21,575,603 km (0.111 R)
• M65: 21,865,374 km (0.086 R)
• M66: 23,206,220 km (0.094 R)
• M67: 23,375,714 km (0.119 R)
• M68: 23,801,171 km (0.063 R)
• M69: 24,358,124 km (0.107 R)
• M70: 24,444,142 km (0.116 R)
• M71: 25,092,948 km (0.032 R)
• M72: 25,179,865 km (0.059 R)
• M73: 25,266,931 km (0.119 R)
• M74: 25,528,577 km (0.073 R)
• M75: 26,495,877 km (0.082 R)
• M76: 26,673,001 km (0.095 R)
• M77: 26,850,574 km (0.086 R)
• M78: 27,430,266 km (0.106 R)
• M79: 28,194,711 km (0.053 R)
• M80: 28,330,396 km (0.084 R)
• M81: 28,556,887 km (0.045 R)
• M82: 28,783,977 km (0.114 R)
• M83: 30,159,230 km (0.089 R)
• M84: 30,344,282 km (0.116 R)
• M85: 30,622,385 km (0.057 R)
• M86: 30,901,385 km (0.028 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.2

Radius: 13.6

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.03 AU - 9.63 AU

Year: 9155 Days

Day: 13.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 34,813,621 km

• M1: 175,777 km (0.108 R)
• M2: 390,600 km (0.107 R)
• M3: 636,539 km (0.068 R)
• M4: 969,544 km (0.08 R)
• M5: 1,609,523 km (0.107 R)
• M6: 1,731,147 km (0.1 R)
• M7: 1,856,061 km (0.085 R)
• M8: 1,962,574 km (0.091 R)
• M9: 2,226,914 km (0.108 R)
• M10: 2,433,060 km (0.106 R)
• M11: 2,669,574 km (0.065 R)
• M12: 2,839,816 km (0.058 R)
• M13: 3,089,196 km (0.089 R)
• M14: 3,398,265 km (0.104 R)
• M15: 3,690,579 km (0.109 R)
• M16: 3,853,492 km (0.112 R)
• M17: 4,214,770 km (0.096 R)
• M18: 4,910,700 km (0.09 R)
• M19: 5,150,804 km (0.088 R)
• M20: 5,642,682 km (0.116 R)
• M21: 5,768,045 km (0.039 R)
• M22: 6,181,833 km (0.12 R)
• M23: 6,343,548 km (0.051 R)
• M24: 6,441,385 km (0.073 R)
• M25: 6,572,433 km (0.068 R)
• M26: 6,971,261 km (0.074 R)
• M27: 7,897,272 km (0.084 R)
• M28: 8,037,744 km (0.105 R)
• M29: 8,392,740 km (0.11 R)
• M30: 9,007,886 km (0.119 R)
• M31: 9,228,693 km (0.102 R)
• M32: 9,339,694 km (0.12 R)
• M33: 9,600,443 km (0.095 R)
• M34: 10,358,755 km (0.067 R)
• M35: 10,667,525 km (0.099 R)
• M36: 11,136,365 km (0.069 R)
• M37: 11,254,697 km (0.084 R)
• M38: 11,892,582 km (0.062 R)
• M39: 13,245,246 km (0.115 R)
• M40: 13,496,421 km (0.076 R)
• M41: 14,732,698 km (0.098 R)
• M42: 14,906,081 km (0.043 R)
• M43: 15,211,111 km (0.102 R)
• M44: 17,541,248 km (0.098 R)
• M45: 17,955,784 km (0.027 R)
• M46: 18,234,036 km (0.058 R)
• M47: 18,373,610 km (0.11 R)
• M48: 18,466,960 km (0.052 R)
• M49: 20,172,824 km (0.117 R)
• M50: 21,435,879 km (0.062 R)
• M51: 21,829,770 km (0.036 R)
• M52: 22,624,584 km (0.12 R)
• M53: 22,975,241 km (0.096 R)
• M54: 23,428,971 km (0.117 R)
• M55: 23,580,813 km (0.047 R)
• M56: 24,498,746 km (0.043 R)
• M57: 24,755,904 km (0.083 R)
• M58: 24,962,200 km (0.107 R)
• M59: 25,272,765 km (0.049 R)
• M60: 25,532,617 km (0.032 R)
• M61: 25,897,785 km (0.114 R)
• M62: 26,686,166 km (0.037 R)
• M63: 27,322,555 km (0.108 R)
• M64: 27,696,101 km (0.066 R)
• M65: 28,286,414 km (0.08 R)
• M66: 28,610,294 km (0.089 R)
• M67: 28,826,911 km (0.08 R)
• M68: 29,152,735 km (0.033 R)
• M69: 29,589,112 km (0.101 R)
• M70: 29,698,468 km (0.051 R)
• M71: 29,917,779 km (0.046 R)
• M72: 31,579,512 km (0.078 R)
• M73: 31,803,311 km (0.07 R)
• M74: 32,140,055 km (0.116 R)
• M75: 32,365,200 km (0.081 R)
• M76: 32,987,078 km (0.076 R)
• M77: 34,934,095 km (0.051 R)
• M78: 35,049,734 km (0.105 R)
• M79: 35,630,174 km (0.089 R)
• M80: 36,741,536 km (0.117 R)
• M81: 37,805,028 km (0.087 R)
• M82: 38,400,277 km (0.045 R)
• M83: 39,419,189 km (0.073 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.7

Radius: 10.8

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 7.92 AU - 8.8 AU

Year: 9205 Days

Day: 9.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 59.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 34,813,621 km

• M1: 338,989 km (0.034 R)
• M2: 565,330 km (0.114 R)
• M3: 978,220 km (0.119 R)
• M4: 1,122,732 km (0.098 R)
• M5: 1,333,515 km (0.069 R)
• M6: 1,815,819 km (0.111 R)
• M7: 2,277,179 km (0.082 R)
• M8: 2,447,272 km (0.053 R)
• M9: 2,748,711 km (0.117 R)
• M10: 3,277,689 km (0.045 R)
• M11: 3,359,819 km (0.096 R)
• M12: 3,983,193 km (0.115 R)
• M13: 4,071,007 km (0.069 R)
• M14: 4,159,419 km (0.063 R)
• M15: 4,580,836 km (0.113 R)
• M16: 4,890,205 km (0.058 R)
• M17: 5,142,726 km (0.037 R)
• M18: 5,367,272 km (0.062 R)
• M19: 5,562,198 km (0.033 R)
• M20: 5,660,634 km (0.101 R)
• M21: 6,297,173 km (0.064 R)
• M22: 6,641,547 km (0.11 R)
• M23: 7,312,494 km (0.091 R)
• M24: 7,528,962 km (0.098 R)
• M25: 7,784,176 km (0.111 R)
• M26: 8,642,568 km (0.105 R)
• M27: 8,909,900 km (0.096 R)
• M28: 9,102,432 km (0.119 R)
• M29: 9,374,401 km (0.101 R)
• M30: 9,570,225 km (0.036 R)
• M31: 10,045,946 km (0.09 R)
• M32: 10,246,557 km (0.082 R)
• M33: 10,448,364 km (0.098 R)
• M34: 10,610,827 km (0.108 R)
• M35: 11,560,923 km (0.032 R)
• M36: 11,686,885 km (0.043 R)
• M37: 11,813,295 km (0.054 R)
• M38: 12,195,218 km (0.089 R)
• M39: 12,280,639 km (0.108 R)
• M40: 12,624,415 km (0.079 R)
• M41: 12,927,799 km (0.111 R)
• M42: 13,586,179 km (0.116 R)
• M43: 14,165,422 km (0.116 R)
• M44: 14,843,849 km (0.064 R)
• M45: 15,072,434 km (0.11 R)
• M46: 15,998,146 km (0.076 R)
• M47: 16,609,852 km (0.118 R)
• M48: 16,942,258 km (0.099 R)
• M49: 17,037,701 km (0.058 R)
• M50: 17,759,062 km (0.061 R)
• M51: 18,001,710 km (0.078 R)
• M52: 18,785,603 km (0.097 R)
• M53: 19,680,647 km (0.104 R)
• M54: 20,793,655 km (0.112 R)
• M55: 20,946,993 km (0.112 R)
• M56: 21,874,949 km (0.06 R)
• M57: 22,083,039 km (0.09 R)
• M58: 24,199,400 km (0.109 R)
• M59: 25,554,757 km (0.089 R)
• M60: 25,938,625 km (0.1 R)
• M61: 26,103,781 km (0.112 R)
• M62: 26,379,640 km (0.106 R)
• M63: 26,601,194 km (0.049 R)
• M64: 27,999,336 km (0.057 R)
• M65: 29,421,413 km (0.093 R)
• M66: 30,112,256 km (0.111 R)
• M67: 31,041,857 km (0.091 R)
• M68: 31,862,850 km (0.106 R)
• M69: 31,980,734 km (0.11 R)
• M70: 36,258,335 km (0.11 R)
• M71: 37,060,928 km (0.115 R)
• M72: 38,119,183 km (0.12 R)
• M73: 38,683,466 km (0.11 R)
• M74: 39,187,312 km (0.107 R)
• M75: 39,693,401 km (0.042 R)
• M76: 40,074,427 km (0.096 R)
• M77: 40,201,735 km (0.102 R)
• M78: 41,160,508 km (0.075 R)
• M79: 41,610,498 km (0.115 R)
• M80: 42,062,134 km (0.108 R)
• M81: 42,256,163 km (0.07 R)
• M82: 42,385,714 km (0.088 R)
• M83: 43,819,460 km (0.12 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.1

Radius: 11.4

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 10.03 AU - 12.59 AU

Year: 14484 Days

Day: 8.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 34,813,621 km

• M1: 193,131 km (0.096 R)
• M2: 312,959 km (0.062 R)
• M3: 419,173 km (0.106 R)
• M4: 506,389 km (0.079 R)
• M5: 588,967 km (0.03 R)
• M6: 825,631 km (0.11 R)
• M7: 985,850 km (0.077 R)
• M8: 1,189,153 km (0.093 R)
• M9: 1,493,884 km (0.054 R)
• M10: 1,655,749 km (0.096 R)
• M11: 1,842,447 km (0.113 R)
• M12: 2,056,223 km (0.087 R)
• M13: 2,465,523 km (0.039 R)
• M14: 2,658,354 km (0.114 R)
• M15: 3,173,420 km (0.101 R)
• M16: 3,768,370 km (0.081 R)
• M17: 3,966,288 km (0.119 R)
• M18: 4,142,066 km (0.049 R)
• M19: 4,243,792 km (0.112 R)
• M20: 4,632,747 km (0.075 R)
• M21: 4,738,363 km (0.07 R)
• M22: 5,060,298 km (0.117 R)
• M23: 5,251,334 km (0.109 R)
• M24: 5,389,263 km (0.114 R)
• M25: 5,472,589 km (0.089 R)
• M26: 5,867,378 km (0.062 R)
• M27: 6,097,160 km (0.09 R)
• M28: 6,565,701 km (0.055 R)
• M29: 7,015,542 km (0.088 R)
• M30: 7,382,655 km (0.105 R)
• M31: 7,630,838 km (0.058 R)
• M32: 7,945,143 km (0.093 R)
• M33: 9,210,890 km (0.105 R)
• M34: 9,344,182 km (0.078 R)
• M35: 9,816,014 km (0.085 R)
• M36: 10,089,180 km (0.08 R)
• M37: 10,192,253 km (0.081 R)
• M38: 10,330,331 km (0.047 R)
• M39: 10,468,859 km (0.117 R)
• M40: 10,608,135 km (0.097 R)
• M41: 11,349,242 km (0.109 R)
• M42: 11,456,504 km (0.106 R)
• M43: 12,326,715 km (0.074 R)
• M44: 14,130,117 km (0.059 R)
• M45: 14,827,543 km (0.078 R)
• M46: 14,944,827 km (0.045 R)
• M47: 15,655,268 km (0.097 R)
• M48: 18,437,339 km (0.052 R)
• M49: 18,816,869 km (0.077 R)
• M50: 18,986,363 km (0.05 R)
• M51: 19,540,923 km (0.059 R)
• M52: 19,626,642 km (0.065 R)
• M53: 19,798,530 km (0.087 R)
• M54: 20,057,335 km (0.1 R)
• M55: 20,360,719 km (0.104 R)
• M56: 21,280,148 km (0.108 R)
• M57: 21,412,542 km (0.039 R)
• M58: 21,767,089 km (0.086 R)
• M59: 21,944,960 km (0.091 R)
• M60: 23,023,112 km (0.084 R)
• M61: 23,431,814 km (0.093 R)
• M62: 23,705,578 km (0.064 R)
• M63: 24,533,452 km (0.107 R)
• M64: 25,323,928 km (0.114 R)
• M65: 26,075,657 km (0.091 R)
• M66: 27,264,810 km (0.095 R)
• M67: 28,083,559 km (0.101 R)
• M68: 28,666,393 km (0.089 R)
• M69: 29,449,538 km (0.102 R)
• M70: 29,745,143 km (0.094 R)
• M71: 30,737,426 km (0.087 R)
• M72: 31,942,287 km (0.051 R)
• M73: 32,856,180 km (0.094 R)
• M74: 34,036,508 km (0.045 R)
• M75: 34,709,698 km (0.095 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 15,036 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit