🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.58 AU - 0.62 AU

Year: 179 Days

Day: 46.3 Hours

Environment

Temp: 122 °C

Axial Tilt: 12 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.64 AU - 0.7 AU

Year: 211 Days

Day: 36.7 Hours

Environment

Temp: 123 °C

Axial Tilt: 39.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.95 AU - 1.31 AU

Year: 462 Days

Day: 46.6 Hours

Environment

Temp: -21 °C

Axial Tilt: 23.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 25,613,983 km

• M1: 388,506 km (0.062 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.23 AU - 1.41 AU

Year: 584 Days

Day: 43.8 Hours

Environment

Temp: -46 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.66 AU - 3.9 AU

Year: 2287 Days

Day: 40.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,613,983 km

• M1: 1,243,607 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.4

Radius: 13.7

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.76 AU - 5.14 AU

Year: 4240 Days

Day: 12.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 25,613,983 km

• M1: 180,116 km (0.101 R)
• M2: 285,882 km (0.111 R)
• M3: 382,671 km (0.036 R)
• M4: 525,986 km (0.118 R)
• M5: 736,620 km (0.062 R)
• M6: 841,488 km (0.079 R)
• M7: 952,190 km (0.117 R)
• M8: 1,176,138 km (0.054 R)
• M9: 1,418,038 km (0.12 R)
• M10: 1,522,607 km (0.105 R)
• M11: 1,724,115 km (0.102 R)
• M12: 2,085,694 km (0.077 R)
• M13: 2,293,335 km (0.028 R)
• M14: 2,489,757 km (0.085 R)
• M15: 2,636,214 km (0.106 R)
• M16: 2,785,512 km (0.078 R)
• M17: 3,191,521 km (0.081 R)
• M18: 3,493,110 km (0.115 R)
• M19: 3,699,406 km (0.099 R)
• M20: 4,059,637 km (0.109 R)
• M21: 4,453,529 km (0.083 R)
• M22: 4,791,171 km (0.046 R)
• M23: 5,325,385 km (0.1 R)
• M24: 5,563,694 km (0.094 R)
• M25: 5,927,666 km (0.115 R)
• M26: 6,026,101 km (0.118 R)
• M27: 6,199,635 km (0.11 R)
• M28: 6,349,831 km (0.12 R)
• M29: 6,450,511 km (0.041 R)
• M30: 7,487,373 km (0.072 R)
• M31: 7,754,705 km (0.096 R)
• M32: 8,216,513 km (0.069 R)
• M33: 9,539,557 km (0.08 R)
• M34: 10,507,904 km (0.113 R)
• M35: 10,928,124 km (0.109 R)
• M36: 11,140,404 km (0.118 R)
• M37: 11,538,185 km (0.097 R)
• M38: 11,847,254 km (0.079 R)
• M39: 12,096,633 km (0.042 R)
• M40: 12,316,243 km (0.099 R)
• M41: 12,473,919 km (0.047 R)
• M42: 12,568,764 km (0.032 R)
• M43: 12,759,352 km (0.088 R)
• M44: 13,079,192 km (0.092 R)
• M45: 13,922,924 km (0.072 R)
• M46: 14,219,278 km (0.031 R)
• M47: 14,650,718 km (0.108 R)
• M48: 15,221,733 km (0.095 R)
• M49: 15,731,413 km (0.079 R)
• M50: 16,005,626 km (0.109 R)
• M51: 16,628,402 km (0.03 R)
• M52: 17,400,327 km (0.082 R)
• M53: 17,648,510 km (0.09 R)
• M54: 18,040,755 km (0.038 R)
• M55: 18,219,973 km (0.099 R)
• M56: 18,544,002 km (0.119 R)
• M57: 18,688,664 km (0.111 R)
• M58: 19,271,198 km (0.109 R)
• M59: 20,118,969 km (0.083 R)
• M60: 20,715,864 km (0.069 R)
• M61: 20,903,610 km (0.09 R)
• M62: 21,054,255 km (0.073 R)
• M63: 21,584,280 km (0.081 R)
• M64: 22,348,875 km (0.103 R)
• M65: 23,200,386 km (0.091 R)
• M66: 23,747,764 km (0.04 R)
• M67: 23,983,680 km (0.07 R)
• M68: 24,497,549 km (0.054 R)
• M69: 24,696,065 km (0.051 R)
• M70: 24,935,123 km (0.115 R)
• M71: 25,214,871 km (0.065 R)
• M72: 25,898,832 km (0.049 R)
• M73: 26,915,798 km (0.08 R)
• M74: 27,449,713 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.3

Radius: 13.1

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.96 AU - 6.08 AU

Year: 5687 Days

Day: 14.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 68.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 25,613,983 km

• M1: 173,384 km (0.052 R)
• M2: 265,835 km (0.119 R)
• M3: 381,624 km (0.041 R)
• M4: 502,948 km (0.114 R)
• M5: 698,024 km (0.061 R)
• M6: 868,864 km (0.04 R)
• M7: 1,210,845 km (0.079 R)
• M8: 1,314,367 km (0.038 R)
• M9: 1,436,588 km (0.11 R)
• M10: 1,709,604 km (0.101 R)
• M11: 1,843,943 km (0.105 R)
• M12: 2,017,178 km (0.05 R)
• M13: 2,159,894 km (0.106 R)
• M14: 2,531,346 km (0.073 R)
• M15: 2,705,328 km (0.058 R)
• M16: 2,823,660 km (0.115 R)
• M17: 3,272,154 km (0.054 R)
• M18: 3,699,705 km (0.065 R)
• M19: 3,831,501 km (0.113 R)
• M20: 4,077,290 km (0.1 R)
• M21: 4,236,462 km (0.046 R)
• M22: 4,655,187 km (0.077 R)
• M23: 4,941,816 km (0.084 R)
• M24: 5,160,678 km (0.05 R)
• M25: 5,582,993 km (0.091 R)
• M26: 5,862,142 km (0.049 R)
• M27: 6,329,037 km (0.039 R)
• M28: 6,434,504 km (0.113 R)
• M29: 6,997,440 km (0.106 R)
• M30: 7,133,874 km (0.043 R)
• M31: 7,271,205 km (0.116 R)
• M32: 7,801,080 km (0.068 R)
• M33: 8,228,182 km (0.067 R)
• M34: 8,575,548 km (0.073 R)
• M35: 8,721,705 km (0.051 R)
• M36: 8,809,669 km (0.08 R)
• M37: 9,016,413 km (0.112 R)
• M38: 9,464,758 km (0.054 R)
• M39: 10,664,533 km (0.1 R)
• M40: 11,202,487 km (0.097 R)
• M41: 11,362,257 km (0.108 R)
• M42: 12,140,466 km (0.057 R)
• M43: 12,469,880 km (0.091 R)
• M44: 13,953,891 km (0.042 R)
• M45: 14,681,685 km (0.045 R)
• M46: 15,350,986 km (0.093 R)
• M47: 15,564,312 km (0.114 R)
• M48: 15,742,932 km (0.118 R)
• M49: 15,922,150 km (0.058 R)
• M50: 16,500,496 km (0.096 R)
• M51: 17,864,080 km (0.096 R)
• M52: 17,976,279 km (0.04 R)
• M53: 18,465,015 km (0.105 R)
• M54: 18,881,944 km (0.088 R)
• M55: 19,225,421 km (0.084 R)
• M56: 19,686,631 km (0.114 R)
• M57: 20,073,641 km (0.067 R)
• M58: 22,489,198 km (0.07 R)
• M59: 22,610,372 km (0.095 R)
• M60: 22,812,778 km (0.1 R)
• M61: 23,056,473 km (0.114 R)
• M62: 23,300,916 km (0.029 R)
• M63: 23,505,416 km (0.076 R)
• M64: 24,081,068 km (0.108 R)
• M65: 24,287,813 km (0.036 R)
• M66: 24,453,567 km (0.112 R)
• M67: 24,953,374 km (0.094 R)
• M68: 25,078,737 km (0.11 R)
• M69: 26,600,446 km (0.076 R)
• M70: 26,771,437 km (0.095 R)
• M71: 26,899,941 km (0.047 R)
• M72: 28,021,626 km (0.093 R)
• M73: 28,282,674 km (0.12 R)
• M74: 28,807,164 km (0.098 R)
• M75: 29,334,946 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.3

Radius: 9.3

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.49 AU - 7.99 AU

Year: 6737 Days

Day: 8.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 25,613,983 km

• M1: 364,121 km (0.119 R)
• M2: 744,549 km (0.075 R)
• M3: 917,484 km (0.086 R)
• M4: 1,032,525 km (0.064 R)
• M5: 1,091,915 km (0.099 R)
• M6: 1,201,869 km (0.102 R)
• M7: 1,433,297 km (0.092 R)
• M8: 1,513,631 km (0.117 R)
• M9: 1,651,112 km (0.078 R)
• M10: 1,836,164 km (0.112 R)
• M11: 2,164,831 km (0.04 R)
• M12: 2,242,023 km (0.084 R)
• M13: 2,383,692 km (0.105 R)
• M14: 2,659,252 km (0.068 R)
• M15: 2,945,133 km (0.073 R)
• M16: 3,240,888 km (0.09 R)
• M17: 3,311,947 km (0.066 R)
• M18: 3,419,508 km (0.101 R)
• M19: 3,993,665 km (0.067 R)
• M20: 4,617,488 km (0.063 R)
• M21: 4,717,868 km (0.114 R)
• M22: 4,818,847 km (0.104 R)
• M23: 5,673,948 km (0.059 R)
• M24: 5,803,051 km (0.046 R)
• M25: 5,976,734 km (0.069 R)
• M26: 6,042,258 km (0.102 R)
• M27: 6,463,226 km (0.12 R)
• M28: 6,733,849 km (0.086 R)
• M29: 7,216,601 km (0.108 R)
• M30: 7,474,059 km (0.053 R)
• M31: 7,544,669 km (0.052 R)
• M32: 7,663,001 km (0.032 R)
• M33: 7,949,631 km (0.09 R)
• M34: 8,459,760 km (0.03 R)
• M35: 9,282,548 km (0.049 R)
• M36: 9,588,027 km (0.085 R)
• M37: 10,026,648 km (0.118 R)
• M38: 10,182,977 km (0.095 R)
• M39: 10,261,367 km (0.105 R)
• M40: 10,366,384 km (0.109 R)
• M41: 10,550,988 km (0.062 R)
• M42: 11,003,671 km (0.099 R)
• M43: 11,680,901 km (0.067 R)
• M44: 11,790,556 km (0.068 R)
• M45: 11,955,563 km (0.093 R)
• M46: 12,066,115 km (0.101 R)
• M47: 12,371,594 km (0.107 R)
• M48: 12,539,443 km (0.113 R)
• M49: 12,820,687 km (0.12 R)
• M50: 13,018,904 km (0.117 R)
• M51: 13,475,627 km (0.093 R)
• M52: 13,792,624 km (0.026 R)
• M53: 14,581,304 km (0.094 R)
• M54: 15,504,772 km (0.099 R)
• M55: 15,595,129 km (0.105 R)
• M56: 15,655,567 km (0.117 R)
• M57: 17,407,956 km (0.071 R)
• M58: 17,847,774 km (0.109 R)
• M59: 18,132,608 km (0.091 R)
• M60: 18,450,653 km (0.106 R)
• M61: 18,899,148 km (0.089 R)
• M62: 19,060,265 km (0.056 R)
• M63: 19,351,233 km (0.068 R)
• M64: 19,448,621 km (0.115 R)
• M65: 19,578,621 km (0.068 R)
• M66: 20,134,527 km (0.083 R)
• M67: 20,563,125 km (0.095 R)
• M68: 20,629,397 km (0.053 R)
• M69: 20,761,940 km (0.05 R)
• M70: 20,861,722 km (0.116 R)
• M71: 21,563,785 km (0.097 R)
• M72: 21,799,551 km (0.045 R)
• M73: 22,409,611 km (0.1 R)
• M74: 22,580,153 km (0.116 R)
• M75: 22,922,433 km (0.031 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.8

Radius: 13.4

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 7.87 AU - 12.01 AU

Year: 12066 Days

Day: 8.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 119.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 25,613,983 km

• M1: 195,973 km (0.066 R)
• M2: 285,882 km (0.1 R)
• M3: 607,966 km (0.103 R)
• M4: 753,225 km (0.088 R)
• M5: 959,371 km (0.115 R)
• M6: 1,251,087 km (0.099 R)
• M7: 1,345,633 km (0.043 R)
• M8: 1,542,803 km (0.099 R)
• M9: 1,764,806 km (0.107 R)
• M10: 2,029,594 km (0.079 R)
• M11: 3,121,360 km (0.088 R)
• M12: 3,816,391 km (0.058 R)
• M13: 4,453,080 km (0.112 R)
• M14: 4,537,603 km (0.095 R)
• M15: 5,144,970 km (0.075 R)
• M16: 5,503,706 km (0.064 R)
• M17: 6,174,802 km (0.042 R)
• M18: 6,798,475 km (0.118 R)
• M19: 7,093,183 km (0.085 R)
• M20: 7,291,999 km (0.115 R)
• M21: 8,054,200 km (0.072 R)
• M22: 8,287,872 km (0.1 R)
• M23: 8,444,800 km (0.114 R)
• M24: 9,055,907 km (0.082 R)
• M25: 9,626,324 km (0.116 R)
• M26: 10,405,130 km (0.116 R)
• M27: 10,659,895 km (0.11 R)
• M28: 12,831,009 km (0.114 R)
• M29: 13,226,247 km (0.045 R)
• M30: 13,502,255 km (0.03 R)
• M31: 13,997,723 km (0.119 R)
• M32: 16,005,925 km (0.108 R)
• M33: 16,169,136 km (0.076 R)
• M34: 16,629,150 km (0.06 R)
• M35: 17,193,433 km (0.118 R)
• M36: 17,764,149 km (0.112 R)
• M37: 17,933,194 km (0.033 R)
• M38: 18,786,501 km (0.086 R)
• M39: 19,618,115 km (0.04 R)
• M40: 20,038,336 km (0.09 R)
• M41: 22,549,037 km (0.089 R)
• M42: 22,695,493 km (0.117 R)
• M43: 23,432,412 km (0.106 R)
• M44: 25,005,733 km (0.108 R)
• M45: 25,347,265 km (0.092 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 18,314 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit