🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.8

Radius: 10.3

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.52 AU - 0.7 AU

Year: 335 Days

Day: 10.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,022,093 km

• M1: 128,205 km (0.043 R)
• M2: 464,501 km (0.102 R)
• M3: 919,877 km (0.105 R)
• M4: 1,293,423 km (0.096 R)
• M5: 1,776,026 km (0.11 R)
• M6: 2,436,351 km (0.104 R)
• M7: 2,838,620 km (0.081 R)
• M8: 3,295,641 km (0.11 R)
• M9: 3,766,276 km (0.06 R)
• M10: 4,129,350 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.9

Radius: 13.9

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.15 AU - 3.19 AU

Year: 3067 Days

Day: 6.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,022,093 km

• M1: 173,085 km (0.087 R)
• M2: 943,065 km (0.105 R)
• M3: 1,799,962 km (0.092 R)
• M4: 2,618,860 km (0.111 R)
• M5: 3,432,074 km (0.032 R)
• M6: 4,009,373 km (0.111 R)
• M7: 4,741,654 km (0.098 R)
• M8: 5,237,571 km (0.101 R)
• M9: 5,794,225 km (0.118 R)
• M10: 6,334,423 km (0.091 R)
• M11: 6,849,189 km (0.075 R)
• M12: 7,579,077 km (0.084 R)
• M13: 8,061,231 km (0.091 R)
• M14: 8,981,108 km (0.102 R)
• M15: 9,448,302 km (0.104 R)
• M16: 10,045,796 km (0.1 R)
• M17: 10,828,043 km (0.104 R)
• M18: 15,464,829 km (0.093 R)
• M19: 15,928,732 km (0.082 R)
• M20: 17,047,425 km (0.117 R)
• M21: 18,160,882 km (0.041 R)
• M22: 19,203,879 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.4

Radius: 10

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.66 AU - 4.84 AU

Year: 6159 Days

Day: 7.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 141.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,022,093 km

• M1: 130,898 km (0.109 R)
• M2: 867,219 km (0.072 R)
• M3: 1,427,463 km (0.048 R)
• M4: 2,283,013 km (0.107 R)
• M5: 2,934,213 km (0.101 R)
• M6: 3,471,867 km (0.12 R)
• M7: 4,023,435 km (0.078 R)
• M8: 5,486,652 km (0.115 R)
• M9: 6,001,119 km (0.099 R)
• M10: 7,858,526 km (0.111 R)
• M11: 8,983,651 km (0.09 R)
• M12: 10,118,052 km (0.097 R)
• M13: 14,271,786 km (0.112 R)
• M14: 23,175,553 km (0.119 R)
• M15: 34,981,068 km (0.045 R)
• M16: 36,635,322 km (0.058 R)
• M17: 38,804,940 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.2

Radius: 3.3

Gravity: 26.74 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.54 AU - 6.86 AU

Year: 9566 Days

Day: 15.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 87,022,093 km

• M1: 40,990 km (0.081 R)
• M2: 195,225 km (0.081 R)
• M3: 418,276 km (0.098 R)
• M4: 706,252 km (0.097 R)
• M5: 1,062,145 km (0.094 R)
• M6: 1,811,331 km (0.101 R)
• M7: 1,943,725 km (0.104 R)
• M8: 2,294,682 km (0.073 R)
• M9: 3,268,414 km (0.103 R)
• M10: 4,052,906 km (0.083 R)
• M11: 4,542,091 km (0.095 R)
• M12: 4,677,028 km (0.059 R)
• M13: 5,333,014 km (0.104 R)
• M14: 7,590,147 km (0.077 R)
• M15: 7,973,866 km (0.098 R)
• M16: 8,091,450 km (0.076 R)
• M17: 9,639,040 km (0.034 R)
• M18: 10,789,597 km (0.115 R)
• M19: 11,373,029 km (0.106 R)
• M20: 12,762,344 km (0.112 R)
• M21: 14,145,975 km (0.036 R)
• M22: 17,272,421 km (0.105 R)
• M23: 18,477,282 km (0.113 R)
• M24: 22,270,785 km (0.087 R)
• M25: 24,929,139 km (0.03 R)
• M26: 25,774,666 km (0.106 R)
• M27: 27,701,786 km (0.108 R)
• M28: 31,350,029 km (0.118 R)
• M29: 32,334,533 km (0.065 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.5

Radius: 6.6

Gravity: 16.93 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 8.8 AU - 12 AU

Year: 23575 Days

Day: 19 Hours

Environment

Temp: -234 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,022,093 km

• M1: 273,016 km (0.066 R)
• M2: 641,476 km (0.088 R)
• M3: 1,139,936 km (0.105 R)
• M4: 1,360,593 km (0.051 R)
• M5: 2,268,951 km (0.11 R)
• M6: 2,647,134 km (0.082 R)
• M7: 5,082,139 km (0.094 R)
• M8: 5,986,757 km (0.116 R)
• M9: 9,458,625 km (0.025 R)
• M10: 10,499,527 km (0.064 R)
• M11: 10,755,189 km (0.085 R)
• M12: 13,924,719 km (0.089 R)
• M13: 14,705,022 km (0.059 R)
• M14: 16,783,236 km (0.1 R)
• M15: 29,142,264 km (0.12 R)
• M16: 49,613,835 km (0.067 R)
• M17: 66,030,406 km (0.088 R)
• M18: 66,683,400 km (0.081 R)
• M19: 70,012,851 km (0.057 R)
• M20: 74,622,260 km (0.106 R)
• M21: 80,911,504 km (0.06 R)
• M22: 82,663,146 km (0.117 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 13,302 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit