🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.53 AU - 0.81 AU

Year: 354 Days

Day: 34.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.4

Radius: 8.1

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.71 AU - 0.71 AU

Year: 386 Days

Day: 5 Hours

Environment

Temp: -140 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,477,852 km

• M1: 100,829 km (0.098 R)
• M2: 356,193 km (0.088 R)
• M3: 680,072 km (0.116 R)
• M4: 940,223 km (0.105 R)
• M5: 1,257,221 km (0.104 R)
• M6: 2,160,792 km (0.098 R)
• M7: 2,443,232 km (0.06 R)
• M8: 2,809,149 km (0.073 R)
• M9: 3,093,983 km (0.068 R)
• M10: 3,465,883 km (0.104 R)
• M11: 3,941,455 km (0.107 R)
• M12: 4,208,188 km (0.075 R)
• M13: 4,541,343 km (0.064 R)

Asteroid Belt

Center: 1.02 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.2

Radius: 12.8

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.13 AU - 1.51 AU

Year: 979 Days

Day: 11.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,477,852 km

• M1: 159,172 km (0.084 R)
• M2: 561,291 km (0.1 R)
• M3: 1,110,315 km (0.086 R)
• M4: 1,512,434 km (0.054 R)
• M5: 1,975,739 km (0.068 R)
• M6: 2,808,401 km (0.109 R)
• M7: 4,499,156 km (0.116 R)
• M8: 5,091,115 km (0.076 R)
• M9: 6,171,660 km (0.029 R)
• M10: 7,793,151 km (0.118 R)
• M11: 8,200,656 km (0.11 R)
• M12: 9,509,637 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.6

Radius: 11

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.43 AU - 1.61 AU

Year: 1210 Days

Day: 8.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,477,852 km

• M1: 136,882 km (0.068 R)
• M2: 908,358 km (0.116 R)
• M3: 2,418,399 km (0.035 R)
• M4: 2,910,277 km (0.085 R)
• M5: 3,356,079 km (0.082 R)
• M6: 4,025,978 km (0.092 R)
• M7: 4,535,807 km (0.108 R)
• M8: 5,475,581 km (0.099 R)
• M9: 6,215,044 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.7

Radius: 11.2

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.54 AU - 2.72 AU

Year: 2754 Days

Day: 8.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,477,852 km

• M1: 139,575 km (0.09 R)
• M2: 488,736 km (0.1 R)
• M3: 1,437,636 km (0.076 R)
• M4: 1,831,078 km (0.106 R)
• M5: 2,377,409 km (0.116 R)
• M6: 3,177,758 km (0.097 R)
• M7: 3,991,122 km (0.058 R)
• M8: 4,585,324 km (0.12 R)
• M9: 5,284,994 km (0.087 R)
• M10: 6,291,338 km (0.06 R)
• M11: 6,953,907 km (0.099 R)
• M12: 7,631,885 km (0.115 R)
• M13: 10,152,459 km (0.117 R)
• M14: 10,564,003 km (0.092 R)
• M15: 12,406,750 km (0.119 R)
• M16: 13,763,752 km (0.069 R)
• M17: 14,175,745 km (0.037 R)
• M18: 17,135,688 km (0.067 R)
• M19: 17,719,868 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.2

Radius: 11.4

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.05 AU - 4.17 AU

Year: 5380 Days

Day: 12.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,477,852 km

• M1: 147,055 km (0.111 R)
• M2: 579,393 km (0.076 R)
• M3: 1,041,500 km (0.094 R)
• M4: 1,888,224 km (0.081 R)
• M5: 2,301,563 km (0.115 R)
• M6: 3,250,762 km (0.114 R)
• M7: 3,945,195 km (0.111 R)
• M8: 4,548,673 km (0.089 R)
• M9: 6,036,274 km (0.107 R)
• M10: 6,769,453 km (0.107 R)
• M11: 7,193,862 km (0.087 R)
• M12: 9,633,355 km (0.069 R)
• M13: 11,805,217 km (0.12 R)
• M14: 12,579,087 km (0.072 R)
• M15: 14,926,277 km (0.056 R)
• M16: 17,354,699 km (0.12 R)
• M17: 21,739,712 km (0.104 R)
• M18: 22,122,683 km (0.116 R)
• M19: 25,098,035 km (0.075 R)
• M20: 26,117,694 km (0.103 R)
• M21: 34,042,791 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.5

Radius: 13.8

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.45 AU - 6.25 AU

Year: 9136 Days

Day: 14.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,477,852 km

• M1: 172,786 km (0.085 R)
• M2: 705,952 km (0.107 R)
• M3: 1,239,269 km (0.072 R)
• M4: 2,539,274 km (0.105 R)
• M5: 7,795,695 km (0.092 R)
• M6: 11,953,618 km (0.106 R)
• M7: 14,843,998 km (0.088 R)
• M8: 15,409,927 km (0.108 R)
• M9: 21,969,195 km (0.073 R)
• M10: 23,796,234 km (0.057 R)
• M11: 26,816,316 km (0.092 R)
• M12: 28,322,318 km (0.074 R)
• M13: 39,996,188 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888.4

Radius: 4.2

Gravity: 50.36 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.51 AU - 7.49 AU

Year: 9489 Days

Day: 17.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 50,477,852 km

• M1: 52,210 km (0.063 R)
• M2: 225,893 km (0.066 R)
• M3: 361,279 km (0.087 R)
• M4: 553,363 km (0.062 R)
• M5: 766,839 km (0.09 R)
• M6: 1,089,521 km (0.047 R)
• M7: 1,454,989 km (0.048 R)
• M8: 1,767,349 km (0.088 R)
• M9: 2,404,935 km (0.088 R)
• M10: 2,885,294 km (0.083 R)
• M11: 3,303,719 km (0.11 R)
• M12: 5,663,775 km (0.095 R)
• M13: 5,948,460 km (0.097 R)
• M14: 7,687,685 km (0.113 R)
• M15: 8,813,259 km (0.106 R)
• M16: 10,727,813 km (0.118 R)
• M17: 12,363,217 km (0.102 R)
• M18: 12,601,077 km (0.081 R)
• M19: 16,761,993 km (0.07 R)
• M20: 16,907,252 km (0.11 R)
• M21: 18,639,147 km (0.082 R)
• M22: 20,156,368 km (0.096 R)
• M23: 22,187,907 km (0.102 R)
• M24: 23,343,252 km (0.081 R)
• M25: 25,967,049 km (0.08 R)
• M26: 29,514,762 km (0.119 R)
• M27: 35,361,645 km (0.105 R)
• M28: 35,840,957 km (0.093 R)
• M29: 38,176,928 km (0.043 R)
• M30: 40,351,333 km (0.073 R)
• M31: 41,402,557 km (0.039 R)
• M32: 48,096,015 km (0.025 R)
• M33: 48,389,526 km (0.08 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 12,849 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit