🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.8

Radius: 9.8

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.95 AU - 1.07 AU

Year: 677 Days

Day: 11.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,723,761 km

• M1: 122,371 km (0.111 R)
• M2: 434,283 km (0.109 R)
• M3: 1,195,437 km (0.074 R)
• M4: 1,726,808 km (0.047 R)
• M5: 2,072,230 km (0.104 R)
• M6: 2,519,079 km (0.088 R)
• M7: 2,856,123 km (0.038 R)
• M8: 3,796,495 km (0.081 R)
• M9: 4,370,801 km (0.103 R)
• M10: 5,751,739 km (0.092 R)
• M11: 7,662,852 km (0.114 R)
• M12: 8,051,058 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943

Radius: 8.1

Gravity: 14.37 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.99 AU - 1.49 AU

Year: 921 Days

Day: 5.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,723,761 km

• M1: 100,829 km (0.119 R)
• M2: 434,283 km (0.062 R)
• M3: 790,176 km (0.117 R)
• M4: 1,122,134 km (0.066 R)
• M5: 1,572,124 km (0.085 R)
• M6: 1,932,356 km (0.115 R)
• M7: 2,427,525 km (0.118 R)
• M8: 2,871,980 km (0.081 R)
• M9: 3,472,915 km (0.08 R)
• M10: 4,054,850 km (0.053 R)
• M11: 4,308,568 km (0.115 R)
• M12: 4,645,313 km (0.119 R)
• M13: 5,252,082 km (0.095 R)
• M14: 5,595,409 km (0.104 R)
• M15: 5,932,154 km (0.101 R)
• M16: 6,440,039 km (0.057 R)
• M17: 6,928,625 km (0.066 R)
• M18: 8,032,508 km (0.084 R)
• M19: 8,488,931 km (0.098 R)
• M20: 9,932,251 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.8

Radius: 10.5

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.22 AU - 1.64 AU

Year: 1140 Days

Day: 13 Hours

Environment

Temp: -193 °C

Axial Tilt: 95.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,723,761 km

• M1: 130,599 km (0.081 R)
• M2: 543,339 km (0.076 R)
• M3: 922,420 km (0.096 R)
• M4: 1,643,931 km (0.097 R)
• M5: 2,204,025 km (0.114 R)
• M6: 2,535,684 km (0.028 R)
• M7: 2,887,837 km (0.084 R)
• M8: 3,374,180 km (0.073 R)
• M9: 3,707,334 km (0.101 R)
• M10: 4,231,525 km (0.09 R)
• M11: 5,051,920 km (0.101 R)
• M12: 5,449,252 km (0.099 R)
• M13: 6,106,286 km (0.077 R)
• M14: 7,079,719 km (0.027 R)
• M15: 9,013,571 km (0.089 R)
• M16: 9,871,664 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.4

Radius: 11.9

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.6 AU - 2.14 AU

Year: 1705 Days

Day: 10.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,723,761 km

• M1: 147,952 km (0.055 R)
• M2: 624,870 km (0.033 R)
• M3: 1,257,221 km (0.114 R)
• M4: 1,808,040 km (0.086 R)
• M5: 2,265,660 km (0.054 R)
• M6: 2,814,534 km (0.113 R)
• M7: 3,769,268 km (0.109 R)
• M8: 4,784,290 km (0.106 R)
• M9: 5,246,996 km (0.089 R)
• M10: 5,785,548 km (0.107 R)
• M11: 6,895,415 km (0.106 R)
• M12: 7,654,474 km (0.044 R)
• M13: 8,289,218 km (0.117 R)
• M14: 9,829,777 km (0.107 R)
• M15: 10,200,331 km (0.117 R)
• M16: 10,791,542 km (0.109 R)
• M17: 11,222,533 km (0.052 R)
• M18: 11,890,488 km (0.045 R)
• M19: 12,350,501 km (0.076 R)
• M20: 13,102,978 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.1

Radius: 10.4

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.1 AU - 3.52 AU

Year: 4016 Days

Day: 11.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,723,761 km

• M1: 129,402 km (0.072 R)
• M2: 565,031 km (0.12 R)
• M3: 1,583,643 km (0.094 R)
• M4: 2,533,889 km (0.106 R)
• M5: 2,973,856 km (0.094 R)
• M6: 3,633,433 km (0.113 R)
• M7: 4,216,266 km (0.109 R)
• M8: 4,791,021 km (0.114 R)
• M9: 8,244,638 km (0.113 R)
• M10: 9,288,233 km (0.07 R)
• M11: 9,655,047 km (0.063 R)
• M12: 10,339,756 km (0.047 R)
• M13: 10,813,981 km (0.044 R)
• M14: 12,500,398 km (0.09 R)
• M15: 13,639,586 km (0.053 R)
• M16: 14,846,541 km (0.087 R)
• M17: 15,655,567 km (0.11 R)
• M18: 17,141,672 km (0.115 R)
• M19: 17,919,132 km (0.118 R)
• M20: 18,603,991 km (0.108 R)
• M21: 19,723,881 km (0.044 R)
• M22: 20,086,805 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.4

Radius: 3.3

Gravity: 34.1 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.44 AU - 10.28 AU

Year: 17587 Days

Day: 17.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,723,761 km

• M1: 40,990 km (0.08 R)
• M2: 144,362 km (0.117 R)
• M3: 335,698 km (0.096 R)
• M4: 1,472,492 km (0.12 R)
• M5: 1,577,510 km (0.09 R)
• M6: 1,802,804 km (0.041 R)
• M7: 1,905,727 km (0.063 R)
• M8: 2,238,433 km (0.085 R)
• M9: 3,628,646 km (0.037 R)
• M10: 3,765,528 km (0.088 R)
• M11: 4,227,037 km (0.105 R)
• M12: 4,502,597 km (0.095 R)
• M13: 4,660,871 km (0.113 R)
• M14: 5,580,001 km (0.066 R)
• M15: 10,469,009 km (0.084 R)
• M16: 11,550,900 km (0.052 R)
• M17: 11,847,553 km (0.112 R)
• M18: 13,669,057 km (0.077 R)
• M19: 18,816,570 km (0.077 R)
• M20: 19,559,772 km (0.102 R)
• M21: 21,369,757 km (0.093 R)
• M22: 22,728,704 km (0.089 R)
• M23: 33,289,865 km (0.12 R)
• M24: 38,557,056 km (0.047 R)
• M25: 43,491,691 km (0.098 R)
• M26: 48,523,266 km (0.092 R)
• M27: 50,861,182 km (0.072 R)
• M28: 53,764,577 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.9

Radius: 6.7

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 10.25 AU - 10.31 AU

Year: 21980 Days

Day: 19.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,723,761 km

• M1: 95,443 km (0.047 R)
• M2: 369,806 km (0.108 R)
• M3: 737,368 km (0.1 R)
• M4: 985,551 km (0.06 R)
• M5: 1,434,344 km (0.095 R)
• M6: 2,439,642 km (0.059 R)
• M7: 4,154,931 km (0.047 R)
• M8: 4,378,281 km (0.061 R)
• M9: 6,421,937 km (0.101 R)
• M10: 7,769,665 km (0.087 R)
• M11: 9,458,924 km (0.067 R)
• M12: 18,076,958 km (0.084 R)
• M13: 27,226,962 km (0.041 R)
• M14: 28,465,632 km (0.098 R)
• M15: 39,758,177 km (0.073 R)
• M16: 58,378,175 km (0.111 R)
• M17: 59,868,021 km (0.074 R)
• M18: 61,192,261 km (0.076 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 17,423 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit