🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.49 AU - 0.79 AU

Year: 336 Days

Day: 29.6 Hours

Environment

Temp: -128 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,702,365 km

• M1: 225,145 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.3

Radius: 13.7

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.96 AU - 1.58 AU

Year: 939 Days

Day: 13.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,702,365 km

• M1: 170,392 km (0.076 R)
• M2: 652,696 km (0.115 R)
• M3: 1,252,134 km (0.12 R)
• M4: 1,698,983 km (0.07 R)
• M5: 2,436,501 km (0.068 R)
• M6: 3,057,930 km (0.093 R)
• M7: 3,768,819 km (0.099 R)
• M8: 4,269,523 km (0.08 R)
• M9: 5,800,209 km (0.104 R)
• M10: 6,984,425 km (0.099 R)
• M11: 7,501,286 km (0.114 R)
• M12: 8,324,224 km (0.072 R)
• M13: 8,851,856 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.5

Radius: 8.9

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.01 AU - 1.59 AU

Year: 972 Days

Day: 14.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,702,365 km

• M1: 110,702 km (0.092 R)
• M2: 390,002 km (0.08 R)
• M3: 667,057 km (0.083 R)
• M4: 1,307,485 km (0.069 R)
• M5: 1,654,253 km (0.117 R)
• M6: 2,258,778 km (0.097 R)
• M7: 2,977,596 km (0.059 R)
• M8: 3,704,043 km (0.111 R)
• M9: 4,289,569 km (0.099 R)
• M10: 4,844,577 km (0.045 R)
• M11: 5,310,724 km (0.116 R)
• M12: 5,604,684 km (0.109 R)
• M13: 5,888,771 km (0.095 R)
• M14: 6,289,842 km (0.069 R)
• M15: 7,851,345 km (0.061 R)
• M16: 8,156,226 km (0.084 R)
• M17: 9,118,589 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.1

Radius: 13.9

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.78 AU - 2.54 AU

Year: 2083 Days

Day: 9.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,702,365 km

• M1: 172,935 km (0.074 R)
• M2: 691,142 km (0.047 R)
• M3: 2,004,462 km (0.108 R)
• M4: 4,924,463 km (0.089 R)
• M5: 5,564,891 km (0.102 R)
• M6: 9,299,452 km (0.109 R)
• M7: 9,989,099 km (0.097 R)
• M8: 10,712,704 km (0.115 R)
• M9: 11,648,289 km (0.08 R)
• M10: 12,637,579 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.5

Radius: 10.7

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.66 AU - 2.76 AU

Year: 2155 Days

Day: 10.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,702,365 km

• M1: 133,142 km (0.025 R)
• M2: 535,112 km (0.097 R)
• M3: 974,331 km (0.037 R)
• M4: 1,451,249 km (0.115 R)
• M5: 2,118,755 km (0.064 R)
• M6: 2,567,099 km (0.114 R)
• M7: 3,094,731 km (0.085 R)
• M8: 3,473,962 km (0.107 R)
• M9: 4,243,643 km (0.071 R)
• M10: 4,984,003 km (0.096 R)
• M11: 5,385,523 km (0.094 R)
• M12: 6,665,184 km (0.085 R)
• M13: 9,455,782 km (0.119 R)
• M14: 10,110,273 km (0.115 R)
• M15: 11,347,896 km (0.119 R)
• M16: 11,961,846 km (0.108 R)
• M17: 14,498,278 km (0.094 R)
• M18: 15,368,638 km (0.102 R)
• M19: 15,866,949 km (0.104 R)
• M20: 16,222,244 km (0.106 R)
• M21: 17,427,254 km (0.069 R)
• M22: 18,244,508 km (0.115 R)
• M23: 18,578,560 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.1

Radius: 8

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.38 AU - 5.62 AU

Year: 6262 Days

Day: 9.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,702,365 km

• M1: 99,483 km (0.103 R)
• M2: 698,472 km (0.104 R)
• M3: 1,124,527 km (0.063 R)
• M4: 1,877,902 km (0.114 R)
• M5: 4,960,665 km (0.1 R)
• M6: 6,583,952 km (0.077 R)
• M7: 8,332,751 km (0.093 R)
• M8: 13,995,030 km (0.036 R)
• M9: 15,453,161 km (0.112 R)
• M10: 16,271,012 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.2

Radius: 11.6

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.19 AU - 5.99 AU

Year: 8670 Days

Day: 6.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,702,365 km

• M1: 144,212 km (0.12 R)
• M2: 533,167 km (0.098 R)
• M3: 903,870 km (0.105 R)
• M4: 4,544,783 km (0.064 R)
• M5: 4,969,492 km (0.09 R)
• M6: 5,934,099 km (0.106 R)
• M7: 6,631,075 km (0.065 R)
• M8: 10,027,545 km (0.066 R)
• M9: 12,070,304 km (0.116 R)
• M10: 12,533,310 km (0.117 R)
• M11: 14,312,327 km (0.11 R)
• M12: 19,056,375 km (0.11 R)
• M13: 28,958,557 km (0.076 R)
• M14: 33,614,043 km (0.054 R)
• M15: 34,416,337 km (0.079 R)
• M16: 35,584,696 km (0.106 R)
• M17: 36,418,106 km (0.091 R)
• M18: 39,754,886 km (0.106 R)
• M19: 44,513,894 km (0.07 R)
• M20: 47,172,547 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.7

Radius: 3.4

Gravity: 27.31 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 8.02 AU - 10.64 AU

Year: 18695 Days

Day: 20.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,702,365 km

• M1: 74,350 km (0.112 R)
• M2: 369,656 km (0.064 R)
• M3: 547,528 km (0.11 R)
• M4: 1,483,712 km (0.102 R)
• M5: 1,899,444 km (0.099 R)
• M6: 2,575,477 km (0.079 R)
• M7: 3,221,441 km (0.09 R)
• M8: 5,436,387 km (0.098 R)
• M9: 5,687,561 km (0.074 R)
• M10: 6,688,371 km (0.061 R)
• M11: 8,736,815 km (0.113 R)
• M12: 14,760,672 km (0.105 R)
• M13: 20,137,669 km (0.099 R)
• M14: 21,974,132 km (0.074 R)
• M15: 28,897,222 km (0.085 R)
• M16: 43,905,629 km (0.067 R)
• M17: 48,791,495 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89.9

Radius: 6.1

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 9.4 AU - 12.66 AU

Year: 24031 Days

Day: 21.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,702,365 km

• M1: 75,846 km (0.031 R)
• M2: 301,739 km (0.036 R)
• M3: 503,397 km (0.096 R)
• M4: 983,157 km (0.12 R)
• M5: 1,265,598 km (0.026 R)
• M6: 1,657,993 km (0.104 R)
• M7: 2,624,096 km (0.031 R)
• M8: 3,216,653 km (0.091 R)
• M9: 3,424,894 km (0.113 R)
• M10: 6,983,677 km (0.116 R)
• M11: 8,240,599 km (0.085 R)
• M12: 14,532,536 km (0.095 R)
• M13: 16,838,886 km (0.099 R)
• M14: 31,143,285 km (0.069 R)
• M15: 33,277,747 km (0.101 R)
• M16: 36,659,407 km (0.102 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 15,617 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit