🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.46 AU - 0.62 AU

Year: 146 Days

Day: 31.5 Hours

Environment

Temp: 240 °C

Axial Tilt: 8.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 83,903,806 km

• M1: 119,977 km (0.097 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.49 AU - 0.79 AU

Year: 188 Days

Day: 12.1 Hours

Environment

Temp: 125 °C

Axial Tilt: 16.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.78 AU - 1.2 AU

Year: 362 Days

Day: 30.4 Hours

Environment

Temp: 37 °C

Axial Tilt: 162.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 83,903,806 km

• M1: 964,906 km (0.12 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.81 AU - 1.33 AU

Year: 406 Days

Day: 16.6 Hours

Environment

Temp: 19 °C

Axial Tilt: 28.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.53 AU - 2.43 AU

Year: 1023 Days

Day: 28.1 Hours

Environment

Temp: -67 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,903,806 km

• M1: 430,243 km (0.073 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.26 AU - 2.58 AU

Year: 1382 Days

Day: 30.9 Hours

Environment

Temp: -96 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 83,903,806 km

• M1: 1,260,661 km (0.102 R)
• M2: 1,364,033 km (0.099 R)

Asteroid Belt

Center: 4.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.2

Radius: 9.8

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.04 AU - 8.38 AU

Year: 6381 Days

Day: 13.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 83,903,806 km

• M1: 124,615 km (0.089 R)
• M2: 196,422 km (0.108 R)
• M3: 397,182 km (0.074 R)
• M4: 553,213 km (0.119 R)
• M5: 669,450 km (0.081 R)
• M6: 860,188 km (0.097 R)
• M7: 1,011,730 km (0.081 R)
• M8: 1,233,135 km (0.098 R)
• M9: 1,602,792 km (0.093 R)
• M10: 1,704,817 km (0.11 R)
• M11: 1,879,996 km (0.038 R)
• M12: 2,006,257 km (0.101 R)
• M13: 2,079,710 km (0.062 R)
• M14: 2,519,378 km (0.112 R)
• M15: 2,659,102 km (0.052 R)
• M16: 2,883,798 km (0.077 R)
• M17: 3,178,805 km (0.071 R)
• M18: 3,351,740 km (0.05 R)
• M19: 3,527,967 km (0.048 R)
• M20: 3,866,507 km (0.096 R)
• M21: 4,121,571 km (0.076 R)
• M22: 4,239,304 km (0.098 R)
• M23: 4,526,532 km (0.049 R)
• M24: 4,672,540 km (0.12 R)
• M25: 4,844,877 km (0.101 R)
• M26: 5,272,128 km (0.082 R)
• M27: 5,400,184 km (0.114 R)
• M28: 5,895,951 km (0.037 R)
• M29: 6,162,834 km (0.105 R)
• M30: 6,270,694 km (0.103 R)
• M31: 6,515,735 km (0.099 R)
• M32: 6,819,569 km (0.114 R)
• M33: 7,498,444 km (0.076 R)
• M34: 8,139,620 km (0.053 R)
• M35: 10,166,970 km (0.08 R)
• M36: 10,326,741 km (0.12 R)
• M37: 10,778,377 km (0.117 R)
• M38: 11,203,385 km (0.117 R)
• M39: 11,500,935 km (0.066 R)
• M40: 11,901,857 km (0.066 R)
• M41: 12,375,185 km (0.112 R)
• M42: 12,889,353 km (0.096 R)
• M43: 13,305,683 km (0.085 R)
• M44: 13,515,420 km (0.107 R)
• M45: 15,233,102 km (0.083 R)
• M46: 15,562,816 km (0.075 R)
• M47: 16,266,674 km (0.053 R)
• M48: 16,603,568 km (0.109 R)
• M49: 17,208,393 km (0.086 R)
• M50: 18,284,151 km (0.069 R)
• M51: 18,439,583 km (0.106 R)
• M52: 18,790,989 km (0.041 R)
• M53: 19,105,144 km (0.053 R)
• M54: 19,381,601 km (0.053 R)
• M55: 20,379,269 km (0.061 R)
• M56: 21,598,641 km (0.101 R)
• M57: 21,680,771 km (0.085 R)
• M58: 22,674,400 km (0.113 R)
• M59: 23,555,980 km (0.109 R)
• M60: 24,022,276 km (0.064 R)
• M61: 24,748,873 km (0.06 R)
• M62: 25,266,183 km (0.064 R)
• M63: 25,482,651 km (0.111 R)
• M64: 26,311,273 km (0.09 R)
• M65: 26,750,942 km (0.108 R)
• M66: 27,104,441 km (0.093 R)
• M67: 27,281,715 km (0.093 R)
• M68: 28,039,727 km (0.109 R)
• M69: 28,129,336 km (0.076 R)
• M70: 28,398,762 km (0.08 R)
• M71: 29,394,037 km (0.115 R)
• M72: 29,667,502 km (0.091 R)
• M73: 29,758,756 km (0.09 R)
• M74: 29,895,938 km (0.119 R)
• M75: 30,216,825 km (0.101 R)
• M76: 30,400,830 km (0.077 R)
• M77: 30,492,833 km (0.066 R)
• M78: 30,862,041 km (0.1 R)
• M79: 30,954,642 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.6

Radius: 6.2

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 10.04 AU - 14.7 AU

Year: 15971 Days

Day: 17.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 83,903,806 km

• M1: 85,720 km (0.1 R)
• M2: 247,435 km (0.104 R)
• M3: 714,180 km (0.09 R)
• M4: 883,076 km (0.092 R)
• M5: 1,393,803 km (0.077 R)
• M6: 1,463,366 km (0.107 R)
• M7: 1,654,403 km (0.101 R)
• M8: 1,728,155 km (0.069 R)
• M9: 2,086,741 km (0.1 R)
• M10: 2,412,266 km (0.1 R)
• M11: 2,666,881 km (0.073 R)
• M12: 2,959,794 km (0.12 R)
• M13: 3,049,852 km (0.116 R)
• M14: 3,232,361 km (0.108 R)
• M15: 3,544,722 km (0.055 R)
• M16: 3,736,656 km (0.107 R)
• M17: 4,231,525 km (0.089 R)
• M18: 4,299,144 km (0.116 R)
• M19: 4,923,116 km (0.107 R)
• M20: 5,209,596 km (0.077 R)
• M21: 6,101,050 km (0.118 R)
• M22: 6,998,787 km (0.071 R)
• M23: 7,159,156 km (0.119 R)
• M24: 7,320,721 km (0.065 R)
• M25: 7,565,314 km (0.108 R)
• M26: 7,771,310 km (0.038 R)
• M27: 8,104,614 km (0.089 R)
• M28: 8,527,827 km (0.092 R)
• M29: 8,656,182 km (0.118 R)
• M30: 8,785,135 km (0.094 R)
• M31: 9,616,899 km (0.094 R)
• M32: 9,884,829 km (0.054 R)
• M33: 10,155,152 km (0.102 R)
• M34: 10,291,286 km (0.059 R)
• M35: 11,780,084 km (0.104 R)
• M36: 11,970,822 km (0.083 R)
• M37: 13,137,087 km (0.057 R)
• M38: 13,434,188 km (0.101 R)
• M39: 13,633,602 km (0.073 R)
• M40: 14,186,964 km (0.101 R)
• M41: 14,237,529 km (0.088 R)
• M42: 15,159,799 km (0.056 R)
• M43: 15,211,560 km (0.044 R)
• M44: 15,523,621 km (0.103 R)
• M45: 16,048,411 km (0.111 R)
• M46: 16,900,071 km (0.104 R)
• M47: 17,115,343 km (0.108 R)
• M48: 19,881,108 km (0.06 R)
• M49: 19,994,653 km (0.056 R)
• M50: 20,336,335 km (0.068 R)
• M51: 21,257,109 km (0.095 R)
• M52: 23,738,190 km (0.105 R)
• M53: 23,858,616 km (0.037 R)
• M54: 25,319,290 km (0.081 R)
• M55: 26,371,412 km (0.109 R)
• M56: 26,871,518 km (0.049 R)
• M57: 27,311,634 km (0.12 R)
• M58: 27,944,433 km (0.11 R)
• M59: 28,454,113 km (0.107 R)
• M60: 28,518,141 km (0.072 R)
• M61: 28,646,197 km (0.111 R)
• M62: 28,774,402 km (0.118 R)
• M63: 28,902,757 km (0.103 R)
• M64: 29,160,066 km (0.06 R)
• M65: 29,224,542 km (0.068 R)
• M66: 30,589,174 km (0.114 R)
• M67: 30,982,916 km (0.117 R)
• M68: 31,378,303 km (0.04 R)
• M69: 32,574,488 km (0.108 R)
• M70: 33,582,628 km (0.115 R)
• M71: 33,920,868 km (0.058 R)
• M72: 34,874,256 km (0.054 R)
• M73: 35,148,169 km (0.103 R)
• M74: 36,112,776 km (0.055 R)
• M75: 38,845,481 km (0.062 R)
• M76: 39,628,177 km (0.054 R)
• M77: 40,631,829 km (0.104 R)
• M78: 40,847,998 km (0.075 R)
• M79: 41,064,466 km (0.078 R)
• M80: 41,934,527 km (0.074 R)
• M81: 42,517,959 km (0.103 R)
• M82: 42,664,116 km (0.108 R)
• M83: 42,957,178 km (0.054 R)
• M84: 43,030,631 km (0.115 R)
• M85: 44,878,164 km (0.087 R)
• M86: 45,474,761 km (0.091 R)
• M87: 48,420,941 km (0.063 R)
• M88: 50,341,778 km (0.108 R)
• M89: 50,728,937 km (0.116 R)
• M90: 51,117,144 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.8

Radius: 6.1

Gravity: 12.95 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 13.92 AU - 21.72 AU

Year: 27614 Days

Day: 18.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 83,903,806 km

• M1: 97,089 km (0.09 R)
• M2: 295,456 km (0.089 R)
• M3: 771,775 km (0.091 R)
• M4: 1,013,077 km (0.101 R)
• M5: 1,069,924 km (0.118 R)
• M6: 1,127,818 km (0.09 R)
• M7: 1,832,275 km (0.064 R)
• M8: 1,901,987 km (0.112 R)
• M9: 1,972,598 km (0.065 R)
• M10: 2,415,108 km (0.102 R)
• M11: 2,687,077 km (0.03 R)
• M12: 2,766,663 km (0.086 R)
• M13: 3,473,812 km (0.055 R)
• M14: 3,517,046 km (0.04 R)
• M15: 3,780,637 km (0.102 R)
• M16: 4,945,855 km (0.099 R)
• M17: 6,371,224 km (0.078 R)
• M18: 7,517,443 km (0.059 R)
• M19: 8,085,466 km (0.088 R)
• M20: 9,262,203 km (0.03 R)
• M21: 9,382,778 km (0.109 R)
• M22: 10,055,370 km (0.073 R)
• M23: 10,806,801 km (0.057 R)
• M24: 11,125,294 km (0.056 R)
• M25: 11,836,632 km (0.091 R)
• M26: 12,230,823 km (0.058 R)
• M27: 12,629,351 km (0.109 R)
• M28: 12,964,600 km (0.034 R)
• M29: 13,167,305 km (0.1 R)
• M30: 13,575,558 km (0.041 R)
• M31: 14,966,669 km (0.067 R)
• M32: 15,967,179 km (0.12 R)
• M33: 16,329,655 km (0.049 R)
• M34: 16,548,516 km (0.086 R)
• M35: 17,507,888 km (0.11 R)
• M36: 17,582,537 km (0.065 R)
• M37: 17,731,985 km (0.12 R)
• M38: 18,789,642 km (0.058 R)
• M39: 19,326,100 km (0.107 R)
• M40: 20,492,515 km (0.08 R)
• M41: 21,442,162 km (0.045 R)
• M42: 22,083,039 km (0.113 R)
• M43: 22,325,089 km (0.088 R)
• M44: 22,893,112 km (0.095 R)
• M45: 23,138,003 km (0.025 R)
• M46: 23,465,922 km (0.104 R)
• M47: 23,548,051 km (0.095 R)
• M48: 24,292,301 km (0.031 R)
• M49: 26,570,975 km (0.098 R)
• M50: 27,259,126 km (0.105 R)
• M51: 27,779,128 km (0.095 R)
• M52: 28,652,929 km (0.108 R)
• M53: 29,980,610 km (0.096 R)
• M54: 33,247,828 km (0.086 R)
• M55: 33,710,534 km (0.058 R)
• M56: 35,205,316 km (0.113 R)
• M57: 36,055,480 km (0.09 R)
• M58: 36,912,527 km (0.052 R)
• M59: 37,872,646 km (0.07 R)
• M60: 38,065,627 km (0.032 R)
• M61: 41,794,354 km (0.116 R)
• M62: 44,310,141 km (0.102 R)
• M63: 44,513,445 km (0.089 R)
• M64: 46,564,282 km (0.094 R)
• M65: 47,185,412 km (0.082 R)
• M66: 47,289,233 km (0.09 R)
• M67: 49,381,210 km (0.083 R)
• M68: 49,697,609 km (0.071 R)
• M69: 50,226,438 km (0.081 R)
• M70: 50,544,633 km (0.072 R)
• M71: 53,222,135 km (0.086 R)
• M72: 53,654,922 km (0.12 R)
• M73: 54,959,864 km (0.096 R)
• M74: 56,165,324 km (0.066 R)
• M75: 56,275,278 km (0.1 R)
• M76: 56,385,382 km (0.077 R)
• M77: 56,716,143 km (0.097 R)
• M78: 57,158,055 km (0.051 R)
• M79: 59,945,812 km (0.089 R)
• M80: 61,186,427 km (0.104 R)
• M81: 61,299,672 km (0.097 R)
• M82: 61,866,648 km (0.118 R)
• M83: 61,980,343 km (0.091 R)
• M84: 63,578,347 km (0.101 R)
• M85: 69,631,077 km (0.094 R)
• M86: 70,104,255 km (0.093 R)
• M87: 71,291,912 km (0.116 R)
• M88: 75,257,752 km (0.085 R)
• M89: 76,351,761 km (0.117 R)
• M90: 76,473,684 km (0.112 R)
• M91: 76,717,528 km (0.108 R)
• M92: 76,961,821 km (0.097 R)
• M93: 81,152,806 km (0.075 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 18,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit