🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.2

Radius: 14.6

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.06 AU - 1.62 AU

Year: 1071 Days

Day: 6.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,034,816 km

• M1: 181,612 km (0.093 R)
• M2: 648,956 km (0.117 R)
• M3: 1,282,802 km (0.033 R)
• M4: 1,798,765 km (0.099 R)
• M5: 2,399,849 km (0.112 R)
• M6: 3,577,035 km (0.112 R)
• M7: 4,945,406 km (0.107 R)
• M8: 6,506,759 km (0.101 R)
• M9: 7,306,061 km (0.097 R)
• M10: 7,816,489 km (0.091 R)
• M11: 8,801,142 km (0.102 R)
• M12: 9,837,706 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.4

Radius: 10.8

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.46 AU - 1.48 AU

Year: 1230 Days

Day: 9.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,034,816 km

• M1: 137,630 km (0.099 R)
• M2: 672,143 km (0.079 R)
• M3: 1,118,992 km (0.116 R)
• M4: 1,464,563 km (0.099 R)
• M5: 1,839,156 km (0.066 R)
• M6: 2,308,744 km (0.106 R)
• M7: 2,880,956 km (0.106 R)
• M8: 4,648,455 km (0.063 R)
• M9: 5,074,659 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.1

Radius: 14.4

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.61 AU - 1.63 AU

Year: 1423 Days

Day: 5.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,034,816 km

• M1: 179,069 km (0.064 R)
• M2: 648,507 km (0.067 R)
• M3: 1,126,322 km (0.091 R)
• M4: 1,922,183 km (0.078 R)
• M5: 2,598,365 km (0.09 R)
• M6: 3,158,909 km (0.043 R)
• M7: 3,619,670 km (0.079 R)
• M8: 4,073,101 km (0.12 R)
• M9: 5,323,889 km (0.088 R)
• M10: 5,959,082 km (0.06 R)
• M11: 7,730,021 km (0.079 R)
• M12: 8,286,974 km (0.098 R)
• M13: 9,295,712 km (0.115 R)
• M14: 9,766,048 km (0.105 R)
• M15: 10,351,574 km (0.096 R)
• M16: 11,029,552 km (0.095 R)
• M17: 11,521,579 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376

Radius: 8.4

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.89 AU - 2.23 AU

Year: 2041 Days

Day: 5.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,034,816 km

• M1: 104,419 km (0.089 R)
• M2: 603,029 km (0.077 R)
• M3: 1,326,484 km (0.111 R)
• M4: 1,597,406 km (0.078 R)
• M5: 1,991,746 km (0.114 R)
• M6: 2,289,745 km (0.08 R)
• M7: 2,793,291 km (0.096 R)
• M8: 3,079,173 km (0.063 R)
• M9: 3,528,565 km (0.084 R)
• M10: 3,932,928 km (0.042 R)
• M11: 4,519,950 km (0.11 R)
• M12: 7,684,843 km (0.104 R)
• M13: 8,751,176 km (0.101 R)
• M14: 11,245,721 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.1

Radius: 9.2

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.11 AU - 3.23 AU

Year: 3011 Days

Day: 6.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,034,816 km

• M1: 115,190 km (0.055 R)
• M2: 413,339 km (0.113 R)
• M3: 761,154 km (0.042 R)
• M4: 1,370,765 km (0.062 R)
• M5: 1,713,494 km (0.063 R)
• M6: 2,064,750 km (0.056 R)
• M7: 2,807,952 km (0.059 R)
• M8: 4,293,908 km (0.067 R)
• M9: 5,964,168 km (0.075 R)
• M10: 9,529,534 km (0.063 R)
• M11: 9,914,449 km (0.035 R)
• M12: 10,492,944 km (0.117 R)
• M13: 11,677,610 km (0.058 R)
• M14: 12,949,192 km (0.074 R)
• M15: 15,572,241 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.6

Radius: 10.2

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.49 AU - 4.79 AU

Year: 5814 Days

Day: 11.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,034,816 km

• M1: 129,253 km (0.066 R)
• M2: 464,801 km (0.09 R)
• M3: 829,969 km (0.118 R)
• M4: 1,272,180 km (0.113 R)
• M5: 2,314,877 km (0.109 R)
• M6: 2,935,260 km (0.112 R)
• M7: 3,809,360 km (0.07 R)
• M8: 5,286,639 km (0.119 R)
• M9: 5,893,109 km (0.09 R)
• M10: 6,637,957 km (0.109 R)
• M11: 7,244,875 km (0.106 R)
• M12: 8,064,223 km (0.118 R)
• M13: 8,533,063 km (0.12 R)
• M14: 9,096,598 km (0.088 R)
• M15: 10,764,464 km (0.069 R)
• M16: 11,333,385 km (0.109 R)
• M17: 11,738,945 km (0.11 R)
• M18: 12,061,029 km (0.09 R)
• M19: 12,771,170 km (0.1 R)
• M20: 13,260,056 km (0.033 R)
• M21: 13,710,495 km (0.115 R)
• M22: 14,119,496 km (0.106 R)
• M23: 15,560,423 km (0.085 R)
• M24: 16,459,356 km (0.074 R)
• M25: 16,921,464 km (0.076 R)
• M26: 17,333,008 km (0.105 R)
• M27: 18,360,296 km (0.116 R)
• M28: 21,548,227 km (0.113 R)
• M29: 22,522,857 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.2

Radius: 3

Gravity: 39.02 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 8.77 AU - 9.21 AU

Year: 18606 Days

Day: 18 Hours

Environment

Temp: -243 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,034,816 km

• M1: 37,399 km (0.109 R)
• M2: 140,024 km (0.097 R)
• M3: 474,076 km (0.07 R)
• M4: 697,874 km (0.085 R)
• M5: 965,505 km (0.069 R)
• M6: 1,408,314 km (0.115 R)
• M7: 1,884,784 km (0.099 R)
• M8: 2,028,248 km (0.081 R)
• M9: 2,632,025 km (0.103 R)
• M10: 7,114,426 km (0.077 R)
• M11: 9,898,742 km (0.094 R)
• M12: 13,726,353 km (0.117 R)
• M13: 19,507,263 km (0.096 R)
• M14: 24,212,565 km (0.107 R)
• M15: 25,196,470 km (0.099 R)
• M16: 26,104,529 km (0.06 R)
• M17: 31,781,918 km (0.102 R)
• M18: 37,965,995 km (0.08 R)
• M19: 38,492,879 km (0.08 R)
• M20: 44,321,361 km (0.039 R)
• M21: 51,510,287 km (0.101 R)
• M22: 54,290,563 km (0.04 R)
• M23: 56,312,229 km (0.107 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 17,819 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit