🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.7

Radius: 14.5

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.44 AU - 0.58 AU

Year: 251 Days

Day: 9 Hours

Environment

Temp: -143 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,492,968 km

• M1: 180,265 km (0.117 R)
• M2: 766,091 km (0.041 R)
• M3: 1,330,523 km (0.086 R)
• M4: 1,852,620 km (0.107 R)
• M5: 2,308,894 km (0.064 R)
• M6: 2,994,351 km (0.049 R)
• M7: 3,466,631 km (0.031 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147

Radius: 14.8

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.85 AU - 1.01 AU

Year: 619 Days

Day: 7.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,492,968 km

• M1: 184,005 km (0.065 R)
• M2: 654,491 km (0.031 R)
• M3: 1,318,406 km (0.056 R)
• M4: 2,481,380 km (0.111 R)
• M5: 3,179,553 km (0.098 R)
• M6: 4,188,142 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.5

Radius: 11.2

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.91 AU - 1.33 AU

Year: 818 Days

Day: 5.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,492,968 km

• M1: 139,276 km (0.117 R)
• M2: 679,474 km (0.066 R)
• M3: 1,127,519 km (0.11 R)
• M4: 1,536,071 km (0.118 R)
• M5: 2,062,506 km (0.053 R)
• M6: 2,662,244 km (0.119 R)
• M7: 3,258,840 km (0.09 R)
• M8: 3,672,179 km (0.075 R)
• M9: 4,319,339 km (0.072 R)
• M10: 4,786,384 km (0.09 R)
• M11: 5,522,555 km (0.089 R)
• M12: 7,420,653 km (0.097 R)
• M13: 8,045,224 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.4

Radius: 11.1

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.85 AU - 1.41 AU

Year: 829 Days

Day: 9.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,492,968 km

• M1: 138,079 km (0.034 R)
• M2: 489,933 km (0.113 R)
• M3: 934,837 km (0.093 R)
• M4: 1,565,243 km (0.074 R)
• M5: 2,024,059 km (0.071 R)
• M6: 3,077,378 km (0.068 R)
• M7: 3,508,519 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.9

Radius: 10.7

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.01 AU - 1.29 AU

Year: 851 Days

Day: 9 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,492,968 km

• M1: 133,142 km (0.071 R)
• M2: 498,460 km (0.046 R)
• M3: 925,113 km (0.117 R)
• M4: 1,497,923 km (0.103 R)
• M5: 2,816,330 km (0.117 R)
• M6: 3,220,842 km (0.098 R)
• M7: 4,003,688 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.8

Radius: 13.7

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.08 AU - 2.56 AU

Year: 2439 Days

Day: 13.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,492,968 km

• M1: 170,392 km (0.115 R)
• M2: 673,190 km (0.107 R)
• M3: 1,338,602 km (0.101 R)
• M4: 1,863,241 km (0.11 R)
• M5: 2,597,617 km (0.04 R)
• M6: 3,074,386 km (0.098 R)
• M7: 5,321,645 km (0.061 R)
• M8: 5,929,910 km (0.059 R)
• M9: 7,286,463 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.2

Radius: 11.5

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.92 AU - 3.92 AU

Year: 4366 Days

Day: 7.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,492,968 km

• M1: 143,016 km (0.118 R)
• M2: 1,104,780 km (0.068 R)
• M3: 1,485,058 km (0.057 R)
• M4: 2,606,593 km (0.088 R)
• M5: 3,741,144 km (0.118 R)
• M6: 4,321,583 km (0.119 R)
• M7: 5,901,786 km (0.106 R)
• M8: 8,593,650 km (0.112 R)
• M9: 9,947,062 km (0.105 R)
• M10: 10,339,756 km (0.104 R)
• M11: 11,296,584 km (0.045 R)
• M12: 14,191,153 km (0.115 R)
• M13: 24,026,166 km (0.072 R)
• M14: 24,576,088 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 837.7

Radius: 6.8

Gravity: 18.12 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.6 AU - 7.34 AU

Year: 10069 Days

Day: 17.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 51,492,968 km

• M1: 85,869 km (0.108 R)
• M2: 299,046 km (0.119 R)
• M3: 581,337 km (0.099 R)
• M4: 967,449 km (0.115 R)
• M5: 1,200,972 km (0.107 R)
• M6: 2,087,339 km (0.081 R)
• M7: 3,157,562 km (0.025 R)
• M8: 3,374,778 km (0.029 R)
• M9: 4,058,889 km (0.104 R)
• M10: 6,059,013 km (0.103 R)
• M11: 7,608,847 km (0.109 R)
• M12: 7,868,848 km (0.115 R)
• M13: 8,315,248 km (0.076 R)
• M14: 11,926,241 km (0.072 R)
• M15: 12,395,979 km (0.094 R)
• M16: 12,635,485 km (0.115 R)
• M17: 14,008,045 km (0.104 R)
• M18: 14,864,344 km (0.115 R)
• M19: 15,754,900 km (0.079 R)
• M20: 16,177,813 km (0.104 R)
• M21: 16,972,626 km (0.105 R)
• M22: 18,098,201 km (0.098 R)
• M23: 20,001,235 km (0.082 R)
• M24: 20,248,072 km (0.094 R)
• M25: 22,297,114 km (0.103 R)
• M26: 23,190,363 km (0.055 R)
• M27: 24,574,442 km (0.057 R)
• M28: 26,110,663 km (0.083 R)
• M29: 28,846,359 km (0.111 R)
• M30: 29,267,178 km (0.097 R)
• M31: 30,013,671 km (0.119 R)
• M32: 31,767,257 km (0.077 R)
• M33: 35,839,461 km (0.112 R)
• M34: 39,855,117 km (0.065 R)
• M35: 44,579,717 km (0.093 R)
• M36: 46,569,668 km (0.087 R)
• M37: 46,858,691 km (0.034 R)
• M38: 50,269,073 km (0.109 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: 394 - 13,747 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit