🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.2

Radius: 8.3

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.51 AU - 0.59 AU

Year: 282 Days

Day: 6.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 89,389,811 km

• M1: 103,223 km (0.073 R)
• M2: 380,128 km (0.044 R)
• M3: 750,233 km (0.083 R)
• M4: 1,018,163 km (0.112 R)
• M5: 1,294,022 km (0.076 R)
• M6: 1,698,983 km (0.117 R)
• M7: 1,988,754 km (0.037 R)
• M8: 2,347,340 km (0.1 R)
• M9: 2,615,270 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.1

Radius: 13.4

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.6 AU - 0.86 AU

Year: 431 Days

Day: 14.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 89,389,811 km

• M1: 166,652 km (0.066 R)
• M2: 802,593 km (0.04 R)
• M3: 1,329,027 km (0.096 R)
• M4: 1,772,884 km (0.077 R)
• M5: 2,258,030 km (0.077 R)
• M6: 2,773,545 km (0.116 R)
• M7: 3,607,104 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.4

Radius: 10.2

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.81 AU - 1.29 AU

Year: 743 Days

Day: 5.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,389,811 km

• M1: 126,859 km (0.042 R)
• M2: 488,287 km (0.094 R)
• M3: 1,008,439 km (0.111 R)
• M4: 1,339,350 km (0.114 R)
• M5: 1,761,515 km (0.107 R)
• M6: 2,756,640 km (0.118 R)
• M7: 3,134,823 km (0.078 R)
• M8: 3,547,564 km (0.112 R)
• M9: 3,996,507 km (0.071 R)
• M10: 4,990,585 km (0.074 R)
• M11: 5,673,649 km (0.045 R)
• M12: 6,079,358 km (0.082 R)
• M13: 7,654,474 km (0.099 R)
• M14: 7,974,464 km (0.04 R)
• M15: 8,355,041 km (0.097 R)
• M16: 8,694,479 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.5

Radius: 12.3

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.42 AU - 5.02 AU

Year: 7078 Days

Day: 5.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 89,389,811 km

• M1: 153,936 km (0.107 R)
• M2: 2,810,495 km (0.075 R)
• M3: 4,881,977 km (0.107 R)
• M4: 10,666,777 km (0.062 R)
• M5: 14,059,208 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281.7

Radius: 4.9

Gravity: 11.73 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.48 AU - 7.06 AU

Year: 9567 Days

Day: 20.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,389,811 km

• M1: 60,886 km (0.081 R)
• M2: 219,011 km (0.057 R)
• M3: 526,734 km (0.088 R)
• M4: 921,074 km (0.105 R)
• M5: 1,359,695 km (0.06 R)
• M6: 3,445,688 km (0.086 R)
• M7: 5,935,146 km (0.087 R)
• M8: 6,291,937 km (0.107 R)
• M9: 7,598,076 km (0.114 R)
• M10: 9,288,233 km (0.096 R)
• M11: 9,504,850 km (0.092 R)
• M12: 9,680,478 km (0.099 R)
• M13: 11,311,693 km (0.114 R)
• M14: 12,063,722 km (0.116 R)
• M15: 12,425,898 km (0.113 R)
• M16: 14,003,707 km (0.08 R)
• M17: 18,420,883 km (0.102 R)
• M18: 19,743,478 km (0.104 R)
• M19: 22,343,190 km (0.107 R)
• M20: 27,759,979 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112.4

Radius: 7.3

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 6.23 AU - 8.47 AU

Year: 13754 Days

Day: 19.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,389,811 km

• M1: 135,087 km (0.053 R)
• M2: 640,129 km (0.117 R)
• M3: 973,433 km (0.048 R)
• M4: 1,588,281 km (0.065 R)
• M5: 1,923,380 km (0.116 R)
• M6: 2,736,444 km (0.093 R)
• M7: 3,647,794 km (0.066 R)
• M8: 4,160,616 km (0.083 R)
• M9: 6,670,419 km (0.098 R)
• M10: 8,938,024 km (0.088 R)
• M11: 13,365,822 km (0.112 R)
• M12: 14,694,251 km (0.114 R)
• M13: 18,730,551 km (0.051 R)
• M14: 23,763,323 km (0.05 R)
• M15: 29,812,163 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.1

Radius: 4

Gravity: 59.88 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 8.37 AU - 11.45 AU

Year: 21534 Days

Day: 15.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 89,389,811 km

• M1: 56,847 km (0.111 R)
• M2: 294,857 km (0.083 R)
• M3: 753,824 km (0.094 R)
• M4: 1,531,134 km (0.12 R)
• M5: 1,656,497 km (0.09 R)
• M6: 2,437,847 km (0.088 R)
• M7: 2,842,210 km (0.064 R)
• M8: 4,575,152 km (0.066 R)
• M9: 7,005,219 km (0.093 R)
• M10: 9,807,038 km (0.054 R)
• M11: 10,951,312 km (0.087 R)
• M12: 13,350,413 km (0.048 R)
• M13: 15,907,938 km (0.096 R)
• M14: 21,548,676 km (0.073 R)
• M15: 22,817,116 km (0.117 R)
• M16: 27,894,019 km (0.082 R)
• M17: 38,194,132 km (0.093 R)
• M18: 42,446,301 km (0.07 R)
• M19: 51,133,300 km (0.066 R)
• M20: 55,303,939 km (0.099 R)
• M21: 57,272,348 km (0.053 R)
• M22: 67,373,795 km (0.072 R)
• M23: 75,205,542 km (0.104 R)
• M24: 77,375,609 km (0.084 R)
• M25: 82,093,477 km (0.108 R)
• M26: 82,600,913 km (0.052 R)
• M27: 87,262,832 km (0.228 R)
• M28: 87,791,361 km (0.072 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: 226 - 10,592 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit