🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.5

Radius: 10.9

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.5 AU - 0.7 AU

Year: 327 Days

Day: 9.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,591,897 km

• M1: 135,685 km (0.12 R)
• M2: 479,162 km (0.088 R)
• M3: 818,450 km (0.117 R)
• M4: 1,179,729 km (0.103 R)
• M5: 1,629,719 km (0.061 R)
• M6: 2,152,115 km (0.112 R)
• M7: 2,610,483 km (0.084 R)
• M8: 2,965,479 km (0.089 R)
• M9: 4,100,029 km (0.095 R)
• M10: 4,867,167 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.4

Radius: 10.8

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.67 AU - 0.97 AU

Year: 522 Days

Day: 7.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,591,897 km

• M1: 134,488 km (0.061 R)
• M2: 497,563 km (0.111 R)
• M3: 1,028,934 km (0.028 R)
• M4: 1,398,441 km (0.067 R)
• M5: 1,770,491 km (0.09 R)
• M6: 2,333,577 km (0.089 R)
• M7: 2,695,155 km (0.094 R)
• M8: 3,057,930 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.5

Radius: 11.6

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.95 AU - 1.19 AU

Year: 778 Days

Day: 7.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,591,897 km

• M1: 144,212 km (0.073 R)
• M2: 638,035 km (0.106 R)
• M3: 1,056,460 km (0.11 R)
• M4: 1,478,625 km (0.032 R)
• M5: 1,853,667 km (0.097 R)
• M6: 2,273,140 km (0.073 R)
• M7: 3,053,592 km (0.041 R)
• M8: 3,561,327 km (0.119 R)
• M9: 4,373,045 km (0.068 R)
• M10: 5,376,547 km (0.088 R)
• M11: 5,788,091 km (0.089 R)
• M12: 6,738,038 km (0.088 R)
• M13: 7,374,277 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.1

Radius: 11.9

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.71 AU - 1.89 AU

Year: 1698 Days

Day: 11.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,591,897 km

• M1: 147,952 km (0.104 R)
• M2: 541,544 km (0.059 R)
• M3: 1,061,846 km (0.11 R)
• M4: 1,824,645 km (0.086 R)
• M5: 2,297,225 km (0.087 R)
• M6: 2,807,952 km (0.068 R)
• M7: 3,232,062 km (0.11 R)
• M8: 5,002,104 km (0.105 R)
• M9: 6,747,762 km (0.061 R)
• M10: 7,571,896 km (0.102 R)
• M11: 7,949,332 km (0.105 R)
• M12: 8,647,954 km (0.075 R)
• M13: 9,823,344 km (0.113 R)
• M14: 10,343,496 km (0.11 R)
• M15: 11,590,544 km (0.062 R)
• M16: 12,569,662 km (0.11 R)
• M17: 13,017,708 km (0.109 R)
• M18: 13,773,626 km (0.101 R)
• M19: 14,782,065 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.7

Radius: 10.1

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.76 AU - 3.38 AU

Year: 3781 Days

Day: 10.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,591,897 km

• M1: 127,158 km (0.1 R)
• M2: 1,314,217 km (0.078 R)
• M3: 1,692,251 km (0.104 R)
• M4: 3,735,908 km (0.12 R)
• M5: 4,363,919 km (0.109 R)
• M6: 5,105,177 km (0.045 R)
• M7: 5,854,513 km (0.04 R)
• M8: 6,864,897 km (0.059 R)
• M9: 7,226,325 km (0.068 R)
• M10: 7,807,363 km (0.117 R)
• M11: 11,420,601 km (0.057 R)
• M12: 12,907,753 km (0.08 R)
• M13: 16,607,458 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.9

Radius: 13

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.59 AU - 5.73 AU

Year: 8239 Days

Day: 6.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 55.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,591,897 km

• M1: 161,715 km (0.117 R)
• M2: 607,068 km (0.053 R)
• M3: 1,827,637 km (0.094 R)
• M4: 2,510,252 km (0.093 R)
• M5: 3,295,940 km (0.103 R)
• M6: 4,489,283 km (0.119 R)
• M7: 6,428,669 km (0.112 R)
• M8: 13,435,235 km (0.091 R)
• M9: 14,426,321 km (0.091 R)
• M10: 17,887,417 km (0.098 R)
• M11: 18,480,423 km (0.107 R)
• M12: 22,469,750 km (0.041 R)
• M13: 22,928,566 km (0.053 R)
• M14: 29,844,476 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.9

Radius: 5.8

Gravity: 24.16 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.81 AU - 7.83 AU

Year: 15372 Days

Day: 17.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,591,897 km

• M1: 72,106 km (0.11 R)
• M2: 369,956 km (0.115 R)
• M3: 1,077,254 km (0.077 R)
• M4: 1,461,122 km (0.05 R)
• M5: 2,142,541 km (0.095 R)
• M6: 2,389,976 km (0.057 R)
• M7: 2,868,988 km (0.104 R)
• M8: 3,328,553 km (0.11 R)
• M9: 6,307,196 km (0.088 R)
• M10: 6,773,642 km (0.09 R)
• M11: 6,993,102 km (0.109 R)
• M12: 7,492,759 km (0.106 R)
• M13: 8,162,509 km (0.11 R)
• M14: 8,871,603 km (0.084 R)
• M15: 10,010,940 km (0.091 R)
• M16: 10,586,293 km (0.087 R)
• M17: 11,305,709 km (0.096 R)
• M18: 12,841,481 km (0.079 R)
• M19: 13,798,758 km (0.101 R)
• M20: 14,223,167 km (0.083 R)
• M21: 21,115,739 km (0.078 R)
• M22: 21,679,424 km (0.082 R)
• M23: 21,869,414 km (0.104 R)
• M24: 25,168,944 km (0.112 R)
• M25: 25,909,005 km (0.104 R)
• M26: 35,294,476 km (0.066 R)
• M27: 35,689,714 km (0.082 R)
• M28: 36,489,165 km (0.091 R)
• M29: 37,710,482 km (0.103 R)
• M30: 40,521,725 km (0.1 R)
• M31: 40,955,110 km (0.08 R)
• M32: 49,458,253 km (0.092 R)
• M33: 57,961,845 km (0.11 R)
• M34: 61,695,658 km (0.102 R)
• M35: 66,584,217 km (0.098 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 17,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit