🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.2

Radius: 8.7

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.53 AU - 0.87 AU

Year: 372 Days

Day: 7.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,325,434 km

• M1: 115,190 km (0.113 R)
• M2: 446,550 km (0.11 R)
• M3: 739,612 km (0.096 R)
• M4: 1,840,652 km (0.058 R)
• M5: 2,239,031 km (0.104 R)
• M6: 2,568,745 km (0.091 R)
• M7: 2,921,796 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.6

Radius: 9.3

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.57 AU - 2.09 AU

Year: 1574 Days

Day: 13.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,325,434 km

• M1: 115,938 km (0.088 R)
• M2: 430,842 km (0.116 R)
• M3: 755,170 km (0.102 R)
• M4: 1,113,607 km (0.083 R)
• M5: 1,461,870 km (0.11 R)
• M6: 2,069,537 km (0.051 R)
• M7: 2,536,282 km (0.038 R)
• M8: 3,724,688 km (0.063 R)
• M9: 4,162,112 km (0.087 R)
• M10: 4,500,054 km (0.091 R)
• M11: 5,176,685 km (0.117 R)
• M12: 6,306,149 km (0.088 R)
• M13: 6,731,605 km (0.041 R)
• M14: 8,272,463 km (0.092 R)
• M15: 8,653,190 km (0.041 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283.6

Radius: 4.4

Gravity: 14.65 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 6.59 AU - 7.65 AU

Year: 12080 Days

Day: 16.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,325,434 km

• M1: 67,469 km (0.036 R)
• M2: 451,337 km (0.072 R)
• M3: 694,583 km (0.066 R)
• M4: 1,307,485 km (0.095 R)
• M5: 1,849,927 km (0.054 R)
• M6: 2,223,024 km (0.096 R)
• M7: 4,614,346 km (0.113 R)
• M8: 4,962,760 km (0.07 R)
• M9: 6,079,209 km (0.106 R)
• M10: 7,275,992 km (0.081 R)
• M11: 10,712,404 km (0.097 R)
• M12: 11,167,631 km (0.069 R)
• M13: 13,815,812 km (0.063 R)
• M14: 15,861,413 km (0.117 R)
• M15: 16,518,896 km (0.105 R)
• M16: 18,963,924 km (0.096 R)
• M17: 22,859,602 km (0.078 R)
• M18: 23,528,604 km (0.094 R)
• M19: 25,081,579 km (0.119 R)
• M20: 31,257,577 km (0.078 R)
• M21: 39,437,739 km (0.096 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.6

Radius: 4.4

Gravity: 30.82 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.41 AU - 8.05 AU

Year: 12361 Days

Day: 24.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,325,434 km

• M1: 54,753 km (0.113 R)
• M2: 416,032 km (0.032 R)
• M3: 623,225 km (0.113 R)
• M4: 819,796 km (0.087 R)
• M5: 1,365,978 km (0.06 R)
• M6: 1,748,350 km (0.112 R)
• M7: 1,964,669 km (0.108 R)
• M8: 2,491,553 km (0.092 R)
• M9: 2,636,812 km (0.084 R)
• M10: 4,212,975 km (0.075 R)
• M11: 5,350,069 km (0.078 R)
• M12: 6,403,986 km (0.071 R)
• M13: 6,598,762 km (0.098 R)
• M14: 13,224,003 km (0.057 R)
• M15: 14,990,754 km (0.091 R)
• M16: 15,824,313 km (0.092 R)
• M17: 19,225,271 km (0.112 R)
• M18: 23,449,167 km (0.039 R)
• M19: 23,819,123 km (0.084 R)
• M20: 25,144,261 km (0.111 R)
• M21: 25,434,480 km (0.114 R)
• M22: 35,580,208 km (0.059 R)
• M23: 39,612,469 km (0.103 R)
• M24: 44,360,107 km (0.099 R)
• M25: 49,170,875 km (0.05 R)
• M26: 52,249,300 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.9

Radius: 3.1

Gravity: 16.53 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 7.44 AU - 9.64 AU

Year: 15868 Days

Day: 15.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 147 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,325,434 km

• M1: 38,895 km (0.118 R)
• M2: 148,401 km (0.115 R)
• M3: 304,581 km (0.106 R)
• M4: 419,921 km (0.099 R)
• M5: 544,835 km (0.083 R)
• M6: 641,775 km (0.116 R)
• M7: 791,971 km (0.119 R)
• M8: 1,277,865 km (0.081 R)
• M9: 1,425,369 km (0.109 R)
• M10: 1,769,593 km (0.028 R)
• M11: 2,082,552 km (0.104 R)
• M12: 2,562,163 km (0.061 R)
• M13: 4,982,357 km (0.115 R)
• M14: 5,764,904 km (0.057 R)
• M15: 6,771,248 km (0.117 R)
• M16: 7,106,048 km (0.115 R)
• M17: 7,296,636 km (0.093 R)
• M18: 8,815,055 km (0.096 R)
• M19: 11,235,698 km (0.096 R)
• M20: 15,229,662 km (0.098 R)
• M21: 16,723,845 km (0.087 R)
• M22: 17,334,204 km (0.067 R)
• M23: 23,092,376 km (0.098 R)
• M24: 24,018,985 km (0.051 R)
• M25: 25,145,607 km (0.096 R)
• M26: 27,224,269 km (0.044 R)
• M27: 28,162,697 km (0.117 R)
• M28: 28,639,914 km (0.113 R)
• M29: 29,905,811 km (0.089 R)
• M30: 32,132,276 km (0.082 R)
• M31: 38,176,629 km (0.109 R)
• M32: 39,827,740 km (0.039 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.1

Radius: 6.8

Gravity: 12.03 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.42 AU - 9.36 AU

Year: 16853 Days

Day: 20.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,325,434 km

• M1: 84,523 km (0.113 R)
• M2: 546,331 km (0.027 R)
• M3: 905,366 km (0.077 R)
• M4: 1,399,787 km (0.112 R)
• M5: 2,005,210 km (0.094 R)
• M6: 2,505,016 km (0.087 R)
• M7: 4,071,605 km (0.109 R)
• M8: 4,703,357 km (0.11 R)
• M9: 5,218,572 km (0.11 R)
• M10: 5,657,492 km (0.073 R)
• M11: 6,361,350 km (0.083 R)
• M12: 10,321,954 km (0.114 R)
• M13: 15,822,518 km (0.103 R)
• M14: 18,515,130 km (0.113 R)
• M15: 19,105,144 km (0.073 R)
• M16: 19,707,425 km (0.071 R)
• M17: 21,683,314 km (0.025 R)
• M18: 28,175,861 km (0.069 R)
• M19: 30,327,079 km (0.115 R)
• M20: 31,740,779 km (0.091 R)
• M21: 35,724,570 km (0.106 R)
• M22: 49,169,080 km (0.092 R)
• M23: 53,623,656 km (0.083 R)
• M24: 60,154,650 km (0.077 R)
• M25: 61,261,375 km (0.087 R)
• M26: 62,006,672 km (0.042 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 15,845 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit