🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.2

Radius: 8.8

Gravity: 11.52 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.73 AU - 0.85 AU

Year: 476 Days

Day: 9.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,074,765 km

• M1: 109,506 km (0.093 R)
• M2: 409,749 km (0.081 R)
• M3: 730,337 km (0.087 R)
• M4: 1,050,177 km (0.07 R)
• M5: 1,535,173 km (0.116 R)
• M6: 1,834,219 km (0.103 R)
• M7: 2,135,958 km (0.064 R)
• M8: 2,656,858 km (0.059 R)
• M9: 3,459,152 km (0.081 R)
• M10: 3,733,065 km (0.086 R)
• M11: 4,049,764 km (0.07 R)
• M12: 5,126,270 km (0.11 R)
• M13: 6,421,339 km (0.105 R)
• M14: 6,736,542 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.6

Radius: 11.9

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.08 AU - 1.3 AU

Year: 880 Days

Day: 8.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,074,765 km

• M1: 147,952 km (0.073 R)
• M2: 691,591 km (0.119 R)
• M3: 1,197,681 km (0.108 R)
• M4: 1,617,003 km (0.093 R)
• M5: 2,107,834 km (0.085 R)
• M6: 2,785,512 km (0.105 R)
• M7: 3,157,861 km (0.057 R)
• M8: 3,919,165 km (0.078 R)
• M9: 4,782,943 km (0.11 R)
• M10: 5,714,190 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.4

Radius: 10.3

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.2 AU - 1.28 AU

Year: 937 Days

Day: 14.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,074,765 km

• M1: 132,245 km (0.03 R)
• M2: 628,610 km (0.102 R)
• M3: 1,155,344 km (0.113 R)
• M4: 1,551,180 km (0.104 R)
• M5: 1,920,986 km (0.113 R)
• M6: 2,397,306 km (0.1 R)
• M7: 2,736,743 km (0.044 R)
• M8: 3,716,460 km (0.085 R)
• M9: 4,821,839 km (0.03 R)
• M10: 5,317,456 km (0.06 R)
• M11: 5,672,302 km (0.099 R)
• M12: 6,024,905 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.7

Radius: 12.2

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.45 AU - 2.11 AU

Year: 1611 Days

Day: 8.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,074,765 km

• M1: 159,172 km (0.088 R)
• M2: 1,239,718 km (0.088 R)
• M3: 1,985,313 km (0.05 R)
• M4: 2,406,282 km (0.088 R)
• M5: 3,139,461 km (0.092 R)
• M6: 4,392,642 km (0.077 R)
• M7: 5,067,029 km (0.042 R)
• M8: 5,559,805 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.6

Radius: 13.4

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.6 AU - 3.68 AU

Year: 3774 Days

Day: 6.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,074,765 km

• M1: 184,604 km (0.059 R)
• M2: 631,602 km (0.059 R)
• M3: 1,568,982 km (0.099 R)
• M4: 2,378,606 km (0.077 R)
• M5: 3,287,712 km (0.096 R)
• M6: 4,033,308 km (0.113 R)
• M7: 4,516,809 km (0.065 R)
• M8: 4,952,886 km (0.111 R)
• M9: 6,641,547 km (0.087 R)
• M10: 7,263,276 km (0.097 R)
• M11: 9,464,758 km (0.115 R)
• M12: 10,466,316 km (0.04 R)
• M13: 10,900,898 km (0.112 R)
• M14: 12,558,592 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.8

Radius: 11.8

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.19 AU - 3.59 AU

Year: 4233 Days

Day: 13.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,074,765 km

• M1: 146,756 km (0.067 R)
• M2: 534,513 km (0.109 R)
• M3: 1,219,971 km (0.083 R)
• M4: 1,722,769 km (0.12 R)
• M5: 2,170,815 km (0.109 R)
• M6: 2,936,905 km (0.072 R)
• M7: 3,918,567 km (0.095 R)
• M8: 4,509,478 km (0.115 R)
• M9: 6,583,802 km (0.096 R)
• M10: 7,026,014 km (0.074 R)
• M11: 7,795,994 km (0.031 R)
• M12: 8,510,473 km (0.107 R)
• M13: 9,074,457 km (0.119 R)
• M14: 9,784,150 km (0.088 R)
• M15: 10,277,673 km (0.109 R)
• M16: 12,230,673 km (0.103 R)
• M17: 12,706,993 km (0.099 R)
• M18: 17,329,866 km (0.039 R)
• M19: 18,608,928 km (0.108 R)
• M20: 19,819,474 km (0.115 R)
• M21: 21,217,915 km (0.112 R)
• M22: 22,326,585 km (0.057 R)
• M23: 24,886,204 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.9

Radius: 11.9

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.84 AU - 4.14 AU

Year: 4422 Days

Day: 7.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,074,765 km

• M1: 149,448 km (0.102 R)
• M2: 1,048,232 km (0.108 R)
• M3: 1,452,595 km (0.051 R)
• M4: 1,987,109 km (0.062 R)
• M5: 2,680,943 km (0.119 R)
• M6: 5,656,894 km (0.055 R)
• M7: 7,021,825 km (0.117 R)
• M8: 7,718,801 km (0.075 R)
• M9: 11,056,629 km (0.109 R)
• M10: 12,427,394 km (0.086 R)
• M11: 14,812,732 km (0.04 R)
• M12: 15,908,387 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687

Radius: 6.4

Gravity: 16.77 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.84 AU - 7.2 AU

Year: 12615 Days

Day: 17.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 49,074,765 km

• M1: 79,586 km (0.034 R)
• M2: 575,802 km (0.068 R)
• M3: 1,415,794 km (0.095 R)
• M4: 2,396,558 km (0.118 R)
• M5: 2,646,087 km (0.05 R)
• M6: 3,197,654 km (0.117 R)
• M7: 4,313,355 km (0.1 R)
• M8: 5,383,579 km (0.117 R)
• M9: 5,999,174 km (0.103 R)
• M10: 7,369,640 km (0.069 R)
• M11: 9,234,677 km (0.061 R)
• M12: 9,642,331 km (0.071 R)
• M13: 12,101,720 km (0.049 R)
• M14: 12,901,620 km (0.113 R)
• M15: 16,828,264 km (0.044 R)
• M16: 17,130,452 km (0.071 R)
• M17: 19,931,523 km (0.06 R)
• M18: 21,573,060 km (0.118 R)
• M19: 23,867,443 km (0.063 R)
• M20: 26,117,544 km (0.118 R)
• M21: 26,829,481 km (0.061 R)
• M22: 29,151,239 km (0.071 R)
• M23: 29,697,122 km (0.078 R)
• M24: 33,115,733 km (0.085 R)
• M25: 34,675,290 km (0.101 R)
• M26: 37,681,908 km (0.047 R)
• M27: 38,329,518 km (0.101 R)
• M28: 40,047,799 km (0.074 R)
• M29: 42,650,652 km (0.11 R)
• M30: 47,136,045 km (0.052 R)
• M31: 48,953,360 km (0.049 R)
• M32: 52,245,411 km (0.055 R)
• M33: 53,374,725 km (0.117 R)
• M34: 53,700,400 km (0.085 R)
• M35: 55,515,171 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 957

Radius: 8

Gravity: 14.95 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 6.58 AU - 7.86 AU

Year: 13158 Days

Day: 16.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 49,074,765 km

• M1: 127,757 km (0.119 R)
• M2: 432,188 km (0.11 R)
• M3: 711,637 km (0.109 R)
• M4: 987,645 km (0.07 R)
• M5: 1,336,059 km (0.088 R)
• M6: 1,748,799 km (0.113 R)
• M7: 2,244,417 km (0.062 R)
• M8: 3,047,159 km (0.094 R)
• M9: 3,652,582 km (0.096 R)
• M10: 4,273,114 km (0.097 R)
• M11: 4,927,455 km (0.109 R)
• M12: 5,460,921 km (0.084 R)
• M13: 6,642,594 km (0.113 R)
• M14: 6,941,192 km (0.055 R)
• M15: 7,657,765 km (0.088 R)
• M16: 8,178,216 km (0.048 R)
• M17: 9,132,651 km (0.041 R)
• M18: 9,772,631 km (0.092 R)
• M19: 10,328,387 km (0.099 R)
• M20: 10,671,863 km (0.078 R)
• M21: 12,122,663 km (0.082 R)
• M22: 18,907,226 km (0.118 R)
• M23: 19,163,338 km (0.075 R)
• M24: 19,421,693 km (0.049 R)
• M25: 22,996,185 km (0.03 R)
• M26: 28,301,075 km (0.116 R)
• M27: 28,636,324 km (0.047 R)
• M28: 31,058,164 km (0.096 R)
• M29: 31,534,334 km (0.113 R)
• M30: 32,869,345 km (0.085 R)
• M31: 34,368,016 km (0.118 R)
• M32: 35,263,060 km (0.102 R)
• M33: 35,781,417 km (0.069 R)
• M34: 36,042,465 km (0.116 R)
• M35: 42,113,297 km (0.057 R)
• M36: 50,780,997 km (0.077 R)
• M37: 52,950,316 km (0.065 R)
• M38: 56,230,997 km (0.087 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253

Radius: 4.9

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 8.03 AU - 9.13 AU

Year: 17046 Days

Day: 15.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,074,765 km

• M1: 121,025 km (0.097 R)
• M2: 361,279 km (0.116 R)
• M3: 665,112 km (0.12 R)
• M4: 922,420 km (0.119 R)
• M5: 1,219,671 km (0.086 R)
• M6: 1,384,379 km (0.088 R)
• M7: 3,245,077 km (0.089 R)
• M8: 5,792,130 km (0.117 R)
• M9: 6,298,669 km (0.094 R)
• M10: 10,025,301 km (0.116 R)
• M11: 10,700,885 km (0.118 R)
• M12: 12,316,692 km (0.101 R)
• M13: 21,323,082 km (0.065 R)
• M14: 32,336,627 km (0.084 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 14,116 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit