🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.8

Radius: 14

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.45 AU - 0.57 AU

Year: 243 Days

Day: 7.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 56,202,184 km

• M1: 174,132 km (0.062 R)
• M2: 667,954 km (0.097 R)
• M3: 1,162,525 km (0.091 R)
• M4: 1,674,748 km (0.085 R)
• M5: 3,193,167 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.9

Radius: 12.5

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.38 AU - 1.5 AU

Year: 1152 Days

Day: 11 Hours

Environment

Temp: -195 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,202,184 km

• M1: 155,731 km (0.106 R)
• M2: 1,161,627 km (0.078 R)
• M3: 1,798,914 km (0.095 R)
• M4: 2,355,269 km (0.082 R)
• M5: 3,035,490 km (0.052 R)
• M6: 3,469,025 km (0.082 R)
• M7: 4,230,927 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.1

Radius: 9.2

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.81 AU - 3.71 AU

Year: 3925 Days

Day: 6.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,202,184 km

• M1: 116,686 km (0.079 R)
• M2: 601,683 km (0.034 R)
• M3: 985,700 km (0.083 R)
• M4: 1,276,070 km (0.114 R)
• M5: 1,566,140 km (0.118 R)
• M6: 2,375,465 km (0.103 R)
• M7: 3,263,029 km (0.09 R)
• M8: 3,562,374 km (0.073 R)
• M9: 4,548,673 km (0.047 R)
• M10: 5,318,952 km (0.066 R)
• M11: 6,294,330 km (0.1 R)
• M12: 6,697,197 km (0.082 R)
• M13: 6,986,221 km (0.115 R)
• M14: 7,658,364 km (0.1 R)
• M15: 7,974,614 km (0.043 R)
• M16: 9,014,768 km (0.116 R)
• M17: 9,487,198 km (0.083 R)
• M18: 10,960,138 km (0.077 R)
• M19: 14,142,684 km (0.093 R)
• M20: 14,512,789 km (0.099 R)
• M21: 16,172,577 km (0.074 R)
• M22: 16,811,809 km (0.115 R)
• M23: 17,955,335 km (0.118 R)
• M24: 19,799,577 km (0.073 R)
• M25: 23,637,960 km (0.055 R)
• M26: 24,536,893 km (0.08 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.8

Radius: 6.8

Gravity: 11.18 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 7.55 AU - 7.59 AU

Year: 13889 Days

Day: 17.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,202,184 km

• M1: 138,827 km (0.096 R)
• M2: 462,407 km (0.11 R)
• M3: 677,978 km (0.1 R)
• M4: 942,167 km (0.093 R)
• M5: 1,340,098 km (0.064 R)
• M6: 2,273,140 km (0.104 R)
• M7: 3,741,144 km (0.11 R)
• M8: 4,610,756 km (0.09 R)
• M9: 5,572,969 km (0.105 R)
• M10: 6,007,850 km (0.081 R)
• M11: 10,611,875 km (0.102 R)
• M12: 11,624,503 km (0.1 R)
• M13: 13,198,871 km (0.104 R)
• M14: 14,368,875 km (0.08 R)
• M15: 15,465,428 km (0.078 R)
• M16: 17,516,863 km (0.096 R)
• M17: 18,370,170 km (0.075 R)
• M18: 22,240,715 km (0.106 R)
• M19: 23,333,229 km (0.086 R)
• M20: 24,556,490 km (0.086 R)
• M21: 36,418,106 km (0.117 R)
• M22: 36,918,660 km (0.053 R)
• M23: 43,709,207 km (0.108 R)
• M24: 47,322,743 km (0.066 R)
• M25: 50,044,527 km (0.085 R)
• M26: 50,507,981 km (0.046 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37.4

Radius: 7.6

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.36 AU - 9.3 AU

Year: 17497 Days

Day: 19.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,202,184 km

• M1: 94,546 km (0.065 R)
• M2: 440,267 km (0.11 R)
• M3: 916,885 km (0.111 R)
• M4: 1,281,605 km (0.052 R)
• M5: 2,739,885 km (0.086 R)
• M6: 5,416,041 km (0.117 R)
• M7: 5,692,648 km (0.11 R)
• M8: 6,517,830 km (0.045 R)
• M9: 7,727,478 km (0.089 R)
• M10: 22,297,563 km (0.1 R)
• M11: 23,226,565 km (0.036 R)
• M12: 23,810,895 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335

Radius: 6.8

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 8.4 AU - 9.7 AU

Year: 18155 Days

Day: 17.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,202,184 km

• M1: 85,869 km (0.118 R)
• M2: 422,913 km (0.116 R)
• M3: 899,831 km (0.09 R)
• M4: 1,356,553 km (0.062 R)
• M5: 2,490,655 km (0.115 R)
• M6: 3,569,405 km (0.119 R)
• M7: 3,812,502 km (0.072 R)
• M8: 4,212,526 km (0.076 R)
• M9: 5,763,408 km (0.114 R)
• M10: 6,646,334 km (0.045 R)
• M11: 9,118,888 km (0.057 R)
• M12: 10,422,484 km (0.078 R)
• M13: 13,329,918 km (0.108 R)
• M14: 18,599,952 km (0.064 R)
• M15: 20,596,934 km (0.108 R)
• M16: 22,095,157 km (0.055 R)
• M17: 32,288,008 km (0.081 R)
• M18: 32,521,081 km (0.109 R)
• M19: 33,345,665 km (0.102 R)
• M20: 39,512,538 km (0.067 R)
• M21: 40,994,305 km (0.102 R)
• M22: 54,866,066 km (0.092 R)
• M23: 55,866,128 km (0.082 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 13,670 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit