🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.3

Radius: 10.5

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.6 AU - 0.76 AU

Year: 387 Days

Day: 13.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,126,854 km

• M1: 130,599 km (0.088 R)
• M2: 476,320 km (0.056 R)
• M3: 957,875 km (0.117 R)
• M4: 1,348,176 km (0.095 R)
• M5: 1,799,962 km (0.065 R)
• M6: 2,722,681 km (0.029 R)
• M7: 3,056,284 km (0.091 R)
• M8: 3,682,052 km (0.113 R)
• M9: 4,185,599 km (0.083 R)
• M10: 4,749,433 km (0.068 R)
• M11: 5,080,643 km (0.055 R)
• M12: 5,557,262 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.6

Radius: 10.9

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.89 AU - 1.25 AU

Year: 764 Days

Day: 10.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,126,854 km

• M1: 135,536 km (0.108 R)
• M2: 565,630 km (0.1 R)
• M3: 919,129 km (0.09 R)
• M4: 1,262,756 km (0.099 R)
• M5: 1,654,104 km (0.108 R)
• M6: 2,354,970 km (0.096 R)
• M7: 3,180,002 km (0.099 R)
• M8: 3,659,912 km (0.066 R)
• M9: 4,327,418 km (0.079 R)
• M10: 4,699,019 km (0.118 R)
• M11: 5,215,730 km (0.108 R)
• M12: 6,654,113 km (0.09 R)
• M13: 7,018,982 km (0.082 R)
• M14: 7,397,166 km (0.096 R)
• M15: 7,742,139 km (0.08 R)
• M16: 8,267,676 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.8

Radius: 11.5

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.98 AU - 1.18 AU

Year: 775 Days

Day: 6.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,126,854 km

• M1: 143,016 km (0.093 R)
• M2: 580,141 km (0.118 R)
• M3: 1,177,485 km (0.043 R)
• M4: 1,979,329 km (0.085 R)
• M5: 2,598,365 km (0.069 R)
• M6: 3,031,302 km (0.11 R)
• M7: 3,570,153 km (0.112 R)
• M8: 4,159,270 km (0.112 R)
• M9: 4,971,287 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.4

Radius: 8.3

Gravity: 12.66 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.23 AU - 1.55 AU

Year: 1131 Days

Day: 11.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,126,854 km

• M1: 103,223 km (0.111 R)
• M2: 462,108 km (0.093 R)
• M3: 774,917 km (0.116 R)
• M4: 1,041,351 km (0.094 R)
• M5: 1,314,666 km (0.112 R)
• M6: 1,739,524 km (0.09 R)
• M7: 2,287,950 km (0.099 R)
• M8: 2,628,584 km (0.116 R)
• M9: 3,030,853 km (0.027 R)
• M10: 3,306,412 km (0.073 R)
• M11: 4,200,858 km (0.094 R)
• M12: 4,507,533 km (0.065 R)
• M13: 4,829,169 km (0.073 R)
• M14: 5,518,815 km (0.063 R)
• M15: 7,321,619 km (0.094 R)
• M16: 8,120,023 km (0.043 R)
• M17: 9,701,572 km (0.085 R)
• M18: 10,239,376 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.6

Radius: 10.4

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.64 AU - 1.98 AU

Year: 1681 Days

Day: 14.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,126,854 km

• M1: 129,402 km (0.084 R)
• M2: 460,911 km (0.117 R)
• M3: 873,801 km (0.074 R)
• M4: 1,302,399 km (0.098 R)
• M5: 1,750,445 km (0.1 R)
• M6: 2,138,352 km (0.068 R)
• M7: 3,032,798 km (0.103 R)
• M8: 3,948,785 km (0.11 R)
• M9: 4,396,681 km (0.084 R)
• M10: 5,766,549 km (0.047 R)
• M11: 6,108,829 km (0.062 R)
• M12: 7,349,145 km (0.107 R)
• M13: 8,929,646 km (0.083 R)
• M14: 10,759,528 km (0.107 R)
• M15: 11,421,498 km (0.089 R)
• M16: 11,780,832 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 902.5

Radius: 3.5

Gravity: 73.67 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.25 AU - 9.93 AU

Year: 17378 Days

Day: 15.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 49,126,854 km

• M1: 43,533 km (0.052 R)
• M2: 159,023 km (0.117 R)
• M3: 372,349 km (0.118 R)
• M4: 580,889 km (0.108 R)
• M5: 840,890 km (0.047 R)
• M6: 967,150 km (0.103 R)
• M7: 1,408,763 km (0.088 R)
• M8: 1,605,036 km (0.073 R)
• M9: 1,782,309 km (0.11 R)
• M10: 1,992,344 km (0.079 R)
• M11: 2,507,709 km (0.113 R)
• M12: 3,497,449 km (0.065 R)
• M13: 3,734,860 km (0.102 R)
• M14: 5,011,977 km (0.104 R)
• M15: 5,788,989 km (0.105 R)
• M16: 6,598,463 km (0.093 R)
• M17: 8,178,964 km (0.115 R)
• M18: 9,995,232 km (0.071 R)
• M19: 15,008,406 km (0.056 R)
• M20: 15,953,267 km (0.106 R)
• M21: 20,130,189 km (0.097 R)
• M22: 22,367,425 km (0.104 R)
• M23: 22,977,036 km (0.061 R)
• M24: 25,747,589 km (0.036 R)
• M25: 25,858,441 km (0.118 R)
• M26: 30,431,797 km (0.085 R)
• M27: 31,940,492 km (0.119 R)
• M28: 39,055,815 km (0.115 R)
• M29: 39,643,137 km (0.114 R)
• M30: 40,986,226 km (0.079 R)
• M31: 41,745,435 km (0.107 R)
• M32: 42,051,662 km (0.092 R)
• M33: 43,920,738 km (0.09 R)
• M34: 50,897,833 km (0.029 R)
• M35: 60,318,460 km (0.116 R)
• M36: 61,695,807 km (0.105 R)
• M37: 62,892,890 km (0.086 R)
• M38: 68,259,414 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 205.4

Radius: 3.8

Gravity: 14.22 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 8.44 AU - 9.76 AU

Year: 18948 Days

Day: 17.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,126,854 km

• M1: 47,273 km (0.06 R)
• M2: 176,226 km (0.052 R)
• M3: 488,886 km (0.093 R)
• M4: 1,495,231 km (0.097 R)
• M5: 2,614,821 km (0.05 R)
• M6: 3,164,893 km (0.063 R)
• M7: 4,855,648 km (0.096 R)
• M8: 6,481,477 km (0.061 R)
• M9: 7,775,499 km (0.094 R)
• M10: 8,437,619 km (0.114 R)
• M11: 12,913,139 km (0.067 R)
• M12: 13,713,188 km (0.09 R)
• M13: 17,318,198 km (0.101 R)
• M14: 22,366,527 km (0.093 R)
• M15: 24,337,479 km (0.102 R)
• M16: 26,421,078 km (0.081 R)
• M17: 33,951,835 km (0.105 R)
• M18: 36,065,354 km (0.1 R)
• M19: 37,892,243 km (0.105 R)
• M20: 38,389,656 km (0.037 R)
• M21: 40,552,392 km (0.117 R)
• M22: 49,126,894 km (0.091 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 13,411 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit