🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.3

Radius: 9.5

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.44 AU - 0.72 AU

Year: 295 Days

Day: 14 Hours

Environment

Temp: -140 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,903,477 km

• M1: 118,182 km (0.04 R)
• M2: 437,125 km (0.089 R)
• M3: 779,704 km (0.097 R)
• M4: 1,175,091 km (0.068 R)
• M5: 1,686,118 km (0.08 R)
• M6: 2,000,423 km (0.085 R)
• M7: 2,501,276 km (0.08 R)
• M8: 2,830,841 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.9

Radius: 10.9

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.71 AU - 0.85 AU

Year: 459 Days

Day: 8.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,903,477 km

• M1: 135,536 km (0.12 R)
• M2: 478,264 km (0.09 R)
• M3: 863,030 km (0.068 R)
• M4: 1,225,655 km (0.06 R)
• M5: 1,750,594 km (0.109 R)
• M6: 2,175,602 km (0.047 R)
• M7: 2,678,101 km (0.109 R)
• M8: 3,048,655 km (0.066 R)
• M9: 3,792,156 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.1

Radius: 13.5

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.06 AU - 1.42 AU

Year: 921 Days

Day: 13.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,903,477 km

• M1: 167,849 km (0.11 R)
• M2: 618,737 km (0.115 R)
• M3: 1,074,113 km (0.103 R)
• M4: 1,520,662 km (0.1 R)
• M5: 2,189,664 km (0.11 R)
• M6: 3,038,333 km (0.111 R)
• M7: 4,538,500 km (0.075 R)
• M8: 5,336,605 km (0.091 R)
• M9: 5,901,486 km (0.097 R)

Asteroid Belt

Center: 1.65 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.8

Radius: 12.2

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.94 AU - 2.16 AU

Year: 1957 Days

Day: 12.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,903,477 km

• M1: 154,235 km (0.072 R)
• M2: 561,740 km (0.053 R)
• M3: 1,182,422 km (0.107 R)
• M4: 1,601,445 km (0.102 R)
• M5: 2,050,239 km (0.051 R)
• M6: 2,606,743 km (0.111 R)
• M7: 3,593,191 km (0.105 R)
• M8: 5,206,155 km (0.101 R)
• M9: 6,536,679 km (0.119 R)
• M10: 7,902,508 km (0.052 R)
• M11: 8,504,489 km (0.101 R)
• M12: 9,108,715 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.7

Radius: 11.3

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.12 AU - 3.22 AU

Year: 3764 Days

Day: 5.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,903,477 km

• M1: 140,472 km (0.093 R)
• M2: 702,063 km (0.071 R)
• M3: 1,089,671 km (0.109 R)
• M4: 1,475,334 km (0.091 R)
• M5: 1,834,369 km (0.118 R)
• M6: 2,874,523 km (0.076 R)
• M7: 4,064,275 km (0.112 R)
• M8: 4,437,821 km (0.08 R)
• M9: 6,168,219 km (0.059 R)
• M10: 7,421,700 km (0.117 R)
• M11: 8,273,211 km (0.074 R)
• M12: 9,468,199 km (0.117 R)
• M13: 9,877,349 km (0.071 R)
• M14: 10,599,907 km (0.098 R)
• M15: 12,930,193 km (0.113 R)
• M16: 13,485,500 km (0.105 R)
• M17: 14,321,453 km (0.102 R)
• M18: 15,136,313 km (0.087 R)
• M19: 15,924,394 km (0.114 R)
• M20: 16,445,294 km (0.086 R)
• M21: 16,917,874 km (0.049 R)
• M22: 24,752,912 km (0.049 R)
• M23: 25,217,713 km (0.085 R)
• M24: 26,566,487 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.3

Radius: 10.8

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.66 AU - 5.88 AU

Year: 6947 Days

Day: 12.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,903,477 km

• M1: 175,030 km (0.099 R)
• M2: 1,741,918 km (0.089 R)
• M3: 2,438,894 km (0.057 R)
• M4: 3,653,180 km (0.051 R)
• M5: 5,722,119 km (0.12 R)
• M6: 8,376,882 km (0.072 R)
• M7: 8,979,014 km (0.114 R)
• M8: 15,270,502 km (0.088 R)
• M9: 18,795,476 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.5

Radius: 9.8

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.21 AU - 5.95 AU

Year: 7635 Days

Day: 9.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,903,477 km

• M1: 134,488 km (0.105 R)
• M2: 527,183 km (0.096 R)
• M3: 1,113,008 km (0.077 R)
• M4: 1,633,908 km (0.109 R)
• M5: 2,126,235 km (0.075 R)
• M6: 2,715,351 km (0.087 R)
• M7: 3,297,436 km (0.101 R)
• M8: 4,710,388 km (0.09 R)
• M9: 6,211,902 km (0.044 R)
• M10: 7,649,089 km (0.111 R)
• M11: 8,940,418 km (0.068 R)
• M12: 10,178,789 km (0.057 R)
• M13: 10,566,846 km (0.091 R)
• M14: 11,269,507 km (0.108 R)
• M15: 13,392,001 km (0.114 R)
• M16: 14,456,390 km (0.064 R)
• M17: 17,157,679 km (0.113 R)
• M18: 17,638,487 km (0.081 R)
• M19: 19,801,672 km (0.053 R)
• M20: 20,637,325 km (0.119 R)
• M21: 22,623,985 km (0.111 R)
• M22: 23,285,806 km (0.066 R)
• M23: 24,734,961 km (0.108 R)
• M24: 26,973,842 km (0.087 R)
• M25: 30,831,972 km (0.053 R)
• M26: 36,152,569 km (0.11 R)
• M27: 36,603,009 km (0.116 R)
• M28: 38,911,304 km (0.119 R)
• M29: 39,622,193 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10.9

Radius: 5.1

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.01 AU - 9.75 AU

Year: 16177 Days

Day: 21.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,903,477 km

• M1: 110,852 km (0.104 R)
• M2: 621,130 km (0.073 R)
• M3: 803,939 km (0.053 R)
• M4: 1,052,720 km (0.097 R)
• M5: 1,370,167 km (0.096 R)
• M6: 2,472,105 km (0.108 R)
• M7: 3,343,064 km (0.12 R)
• M8: 3,656,322 km (0.07 R)
• M9: 7,560,676 km (0.094 R)
• M10: 8,100,276 km (0.112 R)
• M11: 8,632,994 km (0.107 R)
• M12: 8,859,186 km (0.083 R)
• M13: 10,812,485 km (0.028 R)
• M14: 11,731,166 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293

Radius: 5.1

Gravity: 11.26 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 10.48 AU - 11.04 AU

Year: 23537 Days

Day: 17.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 173.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,903,477 km

• M1: 65,524 km (0.091 R)
• M2: 305,778 km (0.107 R)
• M3: 1,097,300 km (0.075 R)
• M4: 2,753,947 km (0.082 R)
• M5: 4,179,914 km (0.115 R)
• M6: 10,684,878 km (0.081 R)
• M7: 11,095,524 km (0.097 R)
• M8: 14,411,810 km (0.059 R)
• M9: 15,724,382 km (0.105 R)
• M10: 16,409,540 km (0.118 R)
• M11: 18,168,063 km (0.053 R)
• M12: 24,391,484 km (0.089 R)
• M13: 24,796,296 km (0.118 R)
• M14: 25,000,497 km (0.075 R)
• M15: 26,354,657 km (0.117 R)
• M16: 31,181,881 km (0.107 R)
• M17: 34,622,782 km (0.103 R)
• M18: 35,005,902 km (0.105 R)
• M19: 37,229,973 km (0.106 R)
• M20: 38,172,589 km (0.06 R)
• M21: 40,245,866 km (0.098 R)
• M22: 47,697,187 km (0.108 R)
• M23: 50,426,151 km (0.029 R)
• M24: 51,745,604 km (0.102 R)
• M25: 55,667,013 km (0.092 R)
• M26: 59,052,263 km (0.086 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 18,973 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit