🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.3

Radius: 10.6

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.44 AU - 0.68 AU

Year: 284 Days

Day: 10.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,214,072 km

• M1: 131,796 km (0.082 R)
• M2: 512,522 km (0.031 R)
• M3: 852,409 km (0.043 R)
• M4: 1,356,553 km (0.114 R)
• M5: 1,849,030 km (0.028 R)
• M6: 2,209,561 km (0.113 R)
• M7: 2,868,390 km (0.098 R)
• M8: 3,291,752 km (0.105 R)
• M9: 4,354,345 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.1

Radius: 14.8

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.14 AU - 1.58 AU

Year: 1076 Days

Day: 5.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,214,072 km

• M1: 184,005 km (0.075 R)
• M2: 700,567 km (0.105 R)
• M3: 1,187,957 km (0.055 R)
• M4: 2,122,495 km (0.039 R)
• M5: 2,670,920 km (0.072 R)
• M6: 3,140,658 km (0.063 R)
• M7: 3,920,063 km (0.089 R)
• M8: 4,514,864 km (0.071 R)
• M9: 5,510,737 km (0.116 R)
• M10: 6,302,558 km (0.083 R)
• M11: 8,113,740 km (0.111 R)
• M12: 8,682,361 km (0.069 R)
• M13: 9,472,537 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897

Radius: 12.9

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.27 AU - 2.33 AU

Year: 2366 Days

Day: 11.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,214,072 km

• M1: 160,519 km (0.118 R)
• M2: 843,582 km (0.099 R)
• M3: 1,359,097 km (0.101 R)
• M4: 2,122,644 km (0.081 R)
• M5: 2,894,270 km (0.119 R)
• M6: 3,346,355 km (0.039 R)
• M7: 4,063,078 km (0.037 R)
• M8: 5,065,384 km (0.113 R)
• M9: 5,701,324 km (0.101 R)
• M10: 6,226,114 km (0.083 R)
• M11: 7,133,126 km (0.094 R)
• M12: 9,069,221 km (0.093 R)
• M13: 10,348,881 km (0.039 R)
• M14: 11,620,912 km (0.117 R)
• M15: 13,309,274 km (0.06 R)
• M16: 14,000,416 km (0.113 R)
• M17: 14,763,814 km (0.039 R)
• M18: 16,218,204 km (0.105 R)
• M19: 17,601,386 km (0.118 R)
• M20: 18,660,988 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.8

Radius: 12.2

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.17 AU - 2.47 AU

Year: 2397 Days

Day: 10.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,214,072 km

• M1: 155,283 km (0.082 R)
• M2: 714,779 km (0.105 R)
• M3: 1,324,540 km (0.088 R)
• M4: 1,823,000 km (0.079 R)
• M5: 2,231,103 km (0.109 R)
• M6: 2,821,416 km (0.08 R)
• M7: 4,280,743 km (0.1 R)
• M8: 4,733,576 km (0.082 R)
• M9: 5,451,496 km (0.096 R)
• M10: 6,675,506 km (0.077 R)
• M11: 7,078,971 km (0.091 R)
• M12: 7,962,945 km (0.106 R)
• M13: 9,885,278 km (0.088 R)
• M14: 12,136,875 km (0.05 R)

Asteroid Belt

Center: 2.93 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514

Radius: 13.1

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.34 AU - 3.74 AU

Year: 4517 Days

Day: 11.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,214,072 km

• M1: 165,754 km (0.107 R)
• M2: 921,972 km (0.103 R)
• M3: 1,733,391 km (0.096 R)
• M4: 2,231,551 km (0.108 R)
• M5: 2,876,617 km (0.036 R)
• M6: 3,745,781 km (0.087 R)
• M7: 4,783,242 km (0.114 R)
• M8: 5,530,334 km (0.088 R)
• M9: 6,656,507 km (0.042 R)
• M10: 7,160,652 km (0.074 R)
• M11: 7,758,295 km (0.115 R)
• M12: 8,389,000 km (0.108 R)
• M13: 10,239,376 km (0.067 R)
• M14: 11,042,268 km (0.037 R)
• M15: 13,160,424 km (0.099 R)
• M16: 14,315,469 km (0.052 R)
• M17: 15,922,300 km (0.088 R)
• M18: 18,126,325 km (0.095 R)
• M19: 19,301,566 km (0.077 R)
• M20: 21,598,492 km (0.094 R)
• M21: 22,919,142 km (0.051 R)
• M22: 25,644,217 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.8

Radius: 10.5

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.15 AU - 4.81 AU

Year: 5385 Days

Day: 6.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,214,072 km

• M1: 130,898 km (0.118 R)
• M2: 819,198 km (0.1 R)
• M3: 1,183,020 km (0.111 R)
• M4: 1,669,512 km (0.072 R)
• M5: 2,454,751 km (0.06 R)
• M6: 2,892,924 km (0.095 R)
• M7: 3,255,399 km (0.108 R)
• M8: 4,374,092 km (0.064 R)
• M9: 4,909,503 km (0.09 R)
• M10: 6,678,348 km (0.04 R)
• M11: 7,994,061 km (0.109 R)
• M12: 9,694,540 km (0.072 R)
• M13: 10,373,116 km (0.118 R)
• M14: 11,131,578 km (0.081 R)
• M15: 13,026,683 km (0.092 R)
• M16: 13,741,013 km (0.099 R)
• M17: 17,709,994 km (0.089 R)
• M18: 18,586,638 km (0.117 R)
• M19: 20,353,239 km (0.029 R)
• M20: 21,390,102 km (0.065 R)
• M21: 24,217,801 km (0.072 R)
• M22: 31,278,521 km (0.078 R)
• M23: 32,061,965 km (0.101 R)
• M24: 34,491,285 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678

Radius: 10.9

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.8 AU - 5.46 AU

Year: 6757 Days

Day: 7.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,214,072 km

• M1: 135,835 km (0.069 R)
• M2: 757,713 km (0.066 R)
• M3: 1,155,045 km (0.099 R)
• M4: 2,037,373 km (0.082 R)
• M5: 2,428,721 km (0.042 R)
• M6: 3,069,748 km (0.095 R)
• M7: 3,430,728 km (0.106 R)
• M8: 3,796,644 km (0.115 R)
• M9: 5,141,380 km (0.108 R)
• M10: 5,778,966 km (0.063 R)
• M11: 6,166,574 km (0.079 R)
• M12: 6,640,799 km (0.05 R)
• M13: 7,249,064 km (0.097 R)
• M14: 8,912,144 km (0.103 R)
• M15: 9,386,818 km (0.116 R)
• M16: 10,816,076 km (0.116 R)
• M17: 12,922,563 km (0.081 R)
• M18: 14,509,797 km (0.098 R)
• M19: 15,046,554 km (0.094 R)
• M20: 15,658,409 km (0.109 R)
• M21: 16,414,477 km (0.092 R)
• M22: 17,128,657 km (0.094 R)
• M23: 23,772,598 km (0.085 R)
• M24: 24,185,338 km (0.115 R)
• M25: 30,965,114 km (0.087 R)
• M26: 32,458,250 km (0.075 R)
• M27: 33,376,781 km (0.082 R)
• M28: 35,803,109 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424.9

Radius: 4.6

Gravity: 20.08 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.01 AU - 8.35 AU

Year: 14436 Days

Day: 18.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,214,072 km

• M1: 58,792 km (0.076 R)
• M2: 222,901 km (0.065 R)
• M3: 627,862 km (0.082 R)
• M4: 2,293,485 km (0.094 R)
• M5: 3,704,791 km (0.091 R)
• M6: 4,117,831 km (0.038 R)
• M7: 4,350,456 km (0.093 R)
• M8: 4,715,624 km (0.12 R)
• M9: 12,668,995 km (0.08 R)
• M10: 13,475,028 km (0.103 R)
• M11: 13,793,971 km (0.032 R)
• M12: 19,362,901 km (0.112 R)
• M13: 26,066,681 km (0.108 R)
• M14: 29,025,727 km (0.11 R)
• M15: 34,166,358 km (0.092 R)
• M16: 34,521,205 km (0.081 R)
• M17: 35,722,027 km (0.077 R)
• M18: 45,200,249 km (0.045 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: 535 - 11,045 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit