🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.7

Radius: 12.8

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.46 AU - 0.68 AU

Year: 292 Days

Day: 14 Hours

Environment

Temp: -152 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 57,076,040 km

• M1: 159,172 km (0.082 R)
• M2: 664,813 km (0.097 R)
• M3: 1,157,439 km (0.113 R)
• M4: 2,235,890 km (0.033 R)
• M5: 2,965,479 km (0.026 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142

Radius: 11.9

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.06 AU - 1.1 AU

Year: 761 Days

Day: 14.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,076,040 km

• M1: 170,242 km (0.058 R)
• M2: 1,098,348 km (0.108 R)
• M3: 1,676,394 km (0.11 R)
• M4: 2,345,695 km (0.081 R)
• M5: 3,017,987 km (0.11 R)
• M6: 4,270,421 km (0.105 R)
• M7: 4,663,414 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.9

Radius: 9.7

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.21 AU - 1.57 AU

Year: 1112 Days

Day: 9.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,076,040 km

• M1: 120,576 km (0.097 R)
• M2: 464,501 km (0.105 R)
• M3: 978,968 km (0.077 R)
• M4: 1,647,222 km (0.06 R)
• M5: 2,785,363 km (0.052 R)
• M6: 3,115,525 km (0.117 R)
• M7: 3,514,652 km (0.115 R)
• M8: 4,500,652 km (0.062 R)
• M9: 4,957,673 km (0.072 R)
• M10: 5,701,025 km (0.081 R)
• M11: 6,089,232 km (0.113 R)
• M12: 6,649,177 km (0.115 R)
• M13: 7,056,681 km (0.09 R)
• M14: 7,456,706 km (0.094 R)
• M15: 8,328,113 km (0.077 R)
• M16: 9,461,916 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.9

Radius: 10.2

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.28 AU - 3.32 AU

Year: 3178 Days

Day: 5.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,076,040 km

• M1: 126,859 km (0.106 R)
• M2: 546,032 km (0.074 R)
• M3: 943,663 km (0.116 R)
• M4: 1,289,833 km (0.101 R)
• M5: 1,722,171 km (0.076 R)
• M6: 2,362,450 km (0.029 R)
• M7: 2,770,253 km (0.1 R)
• M8: 3,260,635 km (0.085 R)
• M9: 3,847,956 km (0.117 R)
• M10: 4,549,271 km (0.071 R)
• M11: 5,409,160 km (0.036 R)
• M12: 6,122,592 km (0.077 R)
• M13: 6,808,349 km (0.045 R)
• M14: 7,833,842 km (0.063 R)
• M15: 8,264,983 km (0.111 R)
• M16: 8,852,604 km (0.073 R)
• M17: 10,306,097 km (0.113 R)
• M18: 10,703,279 km (0.061 R)
• M19: 12,708,190 km (0.043 R)
• M20: 13,350,862 km (0.074 R)
• M21: 14,751,098 km (0.104 R)
• M22: 15,981,989 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805

Radius: 11.9

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.53 AU - 4.05 AU

Year: 4047 Days

Day: 13.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,076,040 km

• M1: 148,102 km (0.102 R)
• M2: 523,892 km (0.052 R)
• M3: 898,784 km (0.11 R)
• M4: 1,288,337 km (0.119 R)
• M5: 2,291,241 km (0.118 R)
• M6: 3,548,013 km (0.116 R)
• M7: 4,728,190 km (0.119 R)
• M8: 5,716,135 km (0.08 R)
• M9: 6,458,290 km (0.037 R)
• M10: 7,604,060 km (0.101 R)
• M11: 8,765,986 km (0.103 R)
• M12: 13,669,655 km (0.113 R)
• M13: 17,903,724 km (0.116 R)
• M14: 18,276,222 km (0.115 R)
• M15: 19,752,304 km (0.076 R)
• M16: 26,859,699 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792

Radius: 13.6

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.47 AU - 4.73 AU

Year: 5631 Days

Day: 11.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,076,040 km

• M1: 169,195 km (0.105 R)
• M2: 664,963 km (0.106 R)
• M3: 1,898,247 km (0.03 R)
• M4: 2,353,773 km (0.077 R)
• M5: 3,156,964 km (0.109 R)
• M6: 3,804,423 km (0.028 R)
• M7: 4,259,351 km (0.09 R)
• M8: 5,455,236 km (0.109 R)
• M9: 6,260,820 km (0.116 R)
• M10: 7,323,414 km (0.12 R)
• M11: 8,623,719 km (0.082 R)
• M12: 10,027,695 km (0.082 R)
• M13: 13,557,905 km (0.078 R)
• M14: 18,042,850 km (0.104 R)
• M15: 21,355,545 km (0.104 R)
• M16: 27,361,600 km (0.111 R)
• M17: 28,431,375 km (0.03 R)
• M18: 32,101,160 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.4

Radius: 5.2

Gravity: 22.76 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.21 AU - 8.63 AU

Year: 13709 Days

Day: 19.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,076,040 km

• M1: 66,122 km (0.108 R)
• M2: 344,823 km (0.116 R)
• M3: 631,303 km (0.08 R)
• M4: 1,412,353 km (0.077 R)
• M5: 1,985,912 km (0.119 R)
• M6: 2,266,109 km (0.103 R)
• M7: 2,467,318 km (0.097 R)
• M8: 2,814,235 km (0.074 R)
• M9: 6,488,658 km (0.104 R)
• M10: 7,233,955 km (0.111 R)
• M11: 9,446,806 km (0.12 R)
• M12: 13,455,730 km (0.115 R)
• M13: 19,535,836 km (0.045 R)
• M14: 24,894,282 km (0.066 R)
• M15: 25,388,853 km (0.103 R)
• M16: 27,223,671 km (0.076 R)
• M17: 27,960,590 km (0.12 R)
• M18: 33,614,791 km (0.063 R)
• M19: 33,855,494 km (0.064 R)
• M20: 39,582,400 km (0.043 R)
• M21: 42,042,986 km (0.042 R)
• M22: 43,595,811 km (0.084 R)
• M23: 48,329,986 km (0.112 R)
• M24: 50,347,163 km (0.111 R)
• M25: 53,068,947 km (0.102 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 19,709 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit