🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.2

Radius: 8.5

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.87 AU - 1.31 AU

Year: 759 Days

Day: 8.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,582,015 km

• M1: 105,915 km (0.117 R)
• M2: 423,212 km (0.103 R)
• M3: 823,087 km (0.117 R)
• M4: 1,647,222 km (0.084 R)
• M5: 2,045,003 km (0.071 R)
• M6: 3,345,308 km (0.111 R)
• M7: 4,659,674 km (0.039 R)
• M8: 5,317,307 km (0.076 R)
• M9: 5,641,037 km (0.107 R)
• M10: 6,348,036 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.7

Radius: 11.3

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.44 AU - 1.56 AU

Year: 1225 Days

Day: 5.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,582,015 km

• M1: 140,622 km (0.053 R)
• M2: 519,254 km (0.081 R)
• M3: 955,930 km (0.062 R)
• M4: 1,318,107 km (0.064 R)
• M5: 1,987,408 km (0.076 R)
• M6: 2,871,830 km (0.051 R)
• M7: 3,259,438 km (0.052 R)
• M8: 3,780,937 km (0.069 R)
• M9: 4,543,437 km (0.112 R)
• M10: 5,154,694 km (0.054 R)
• M11: 5,686,963 km (0.115 R)
• M12: 6,397,553 km (0.027 R)
• M13: 7,667,489 km (0.095 R)
• M14: 8,622,522 km (0.081 R)
• M15: 9,312,467 km (0.083 R)
• M16: 9,845,634 km (0.088 R)
• M17: 10,499,078 km (0.084 R)
• M18: 11,532,949 km (0.089 R)
• M19: 12,038,141 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.6

Radius: 11.9

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.34 AU - 1.88 AU

Year: 1362 Days

Day: 7 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,582,015 km

• M1: 147,952 km (0.093 R)
• M2: 605,572 km (0.099 R)
• M3: 1,089,970 km (0.117 R)
• M4: 2,002,367 km (0.111 R)
• M5: 2,911,474 km (0.073 R)
• M6: 3,285,768 km (0.098 R)
• M7: 4,105,115 km (0.098 R)
• M8: 4,882,725 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.5

Radius: 11.8

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.02 AU - 2.2 AU

Year: 2044 Days

Day: 12.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,582,015 km

• M1: 146,756 km (0.049 R)
• M2: 844,330 km (0.062 R)
• M3: 1,294,321 km (0.068 R)
• M4: 1,685,669 km (0.047 R)
• M5: 2,543,164 km (0.065 R)
• M6: 3,185,387 km (0.117 R)
• M7: 4,088,061 km (0.117 R)
• M8: 4,578,592 km (0.045 R)
• M9: 4,949,446 km (0.096 R)
• M10: 5,852,269 km (0.095 R)
• M11: 6,450,211 km (0.119 R)
• M12: 7,117,119 km (0.076 R)
• M13: 8,686,999 km (0.062 R)
• M14: 12,500,099 km (0.028 R)
• M15: 13,098,490 km (0.063 R)
• M16: 14,214,490 km (0.081 R)
• M17: 15,635,969 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.2

Radius: 10.4

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.52 AU - 4.06 AU

Year: 4920 Days

Day: 11.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,582,015 km

• M1: 129,402 km (0.109 R)
• M2: 531,372 km (0.089 R)
• M3: 1,017,415 km (0.107 R)
• M4: 1,348,625 km (0.083 R)
• M5: 2,123,991 km (0.089 R)
• M6: 3,604,561 km (0.108 R)
• M7: 4,395,335 km (0.112 R)
• M8: 5,878,748 km (0.09 R)
• M9: 7,005,369 km (0.073 R)
• M10: 8,599,783 km (0.08 R)
• M11: 12,020,488 km (0.079 R)
• M12: 12,444,000 km (0.104 R)
• M13: 13,221,460 km (0.077 R)
• M14: 14,186,516 km (0.114 R)
• M15: 15,973,313 km (0.069 R)
• M16: 16,543,131 km (0.112 R)
• M17: 17,185,654 km (0.079 R)
• M18: 18,707,663 km (0.12 R)
• M19: 19,085,996 km (0.103 R)
• M20: 20,054,043 km (0.113 R)
• M21: 21,054,554 km (0.096 R)
• M22: 22,087,976 km (0.11 R)
• M23: 23,227,164 km (0.035 R)
• M24: 24,480,196 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.1

Radius: 13.9

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.91 AU - 4.15 AU

Year: 5395 Days

Day: 8.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,582,015 km

• M1: 173,234 km (0.038 R)
• M2: 1,060,948 km (0.105 R)
• M3: 1,554,471 km (0.09 R)
• M4: 2,060,262 km (0.083 R)
• M5: 2,560,218 km (0.095 R)
• M6: 5,517,917 km (0.079 R)
• M7: 6,402,190 km (0.039 R)
• M8: 7,243,230 km (0.111 R)
• M9: 8,378,079 km (0.118 R)
• M10: 11,732,512 km (0.12 R)
• M11: 14,180,681 km (0.116 R)
• M12: 17,498,014 km (0.115 R)
• M13: 22,731,995 km (0.044 R)
• M14: 28,329,199 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.3

Radius: 5.3

Gravity: 20.48 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 9.87 AU - 12.07 AU

Year: 24229 Days

Day: 24.8 Hours

Environment

Temp: -246 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,582,015 km

• M1: 65,973 km (0.071 R)
• M2: 284,834 km (0.104 R)
• M3: 502,798 km (0.098 R)
• M4: 945,758 km (0.077 R)
• M5: 2,053,979 km (0.05 R)
• M6: 4,645,612 km (0.088 R)
• M7: 10,564,153 km (0.072 R)
• M8: 12,973,277 km (0.109 R)
• M9: 15,003,769 km (0.108 R)
• M10: 19,871,983 km (0.085 R)
• M11: 20,063,019 km (0.075 R)
• M12: 25,471,730 km (0.115 R)
• M13: 28,995,508 km (0.108 R)
• M14: 29,862,129 km (0.095 R)
• M15: 30,873,560 km (0.07 R)
• M16: 36,132,823 km (0.066 R)
• M17: 37,425,946 km (0.036 R)
• M18: 40,716,202 km (0.1 R)
• M19: 43,708,608 km (0.067 R)
• M20: 45,175,864 km (0.086 R)
• M21: 46,172,186 km (0.065 R)
• M22: 67,988,193 km (0.093 R)
• M23: 70,176,660 km (0.101 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: 434 - 16,605 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit