🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.8

Radius: 15

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.56 AU - 0.82 AU

Year: 382 Days

Day: 10.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,152,049 km

• M1: 186,549 km (0.036 R)
• M2: 707,448 km (0.104 R)
• M3: 1,354,459 km (0.116 R)
• M4: 1,821,803 km (0.113 R)
• M5: 2,300,666 km (0.066 R)
• M6: 2,789,551 km (0.066 R)
• M7: 3,380,463 km (0.103 R)
• M8: 4,483,149 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.6

Radius: 9.3

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.4 AU - 2.22 AU

Year: 1624 Days

Day: 5.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,152,049 km

• M1: 115,938 km (0.074 R)
• M2: 425,756 km (0.078 R)
• M3: 724,652 km (0.096 R)
• M4: 1,265,149 km (0.111 R)
• M5: 1,593,965 km (0.117 R)
• M6: 1,905,578 km (0.109 R)
• M7: 2,461,334 km (0.089 R)
• M8: 3,389,738 km (0.067 R)
• M9: 4,862,828 km (0.099 R)
• M10: 5,662,878 km (0.115 R)
• M11: 7,012,550 km (0.102 R)
• M12: 7,714,164 km (0.099 R)
• M13: 8,591,107 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.2

Radius: 8.2

Gravity: 13.4 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.63 AU - 2.47 AU

Year: 1957 Days

Day: 13.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,152,049 km

• M1: 102,026 km (0.04 R)
• M2: 414,984 km (0.057 R)
• M3: 909,705 km (0.119 R)
• M4: 1,434,344 km (0.106 R)
• M5: 1,727,556 km (0.117 R)
• M6: 2,289,296 km (0.12 R)
• M7: 2,843,257 km (0.068 R)
• M8: 4,000,247 km (0.108 R)
• M9: 5,467,952 km (0.047 R)
• M10: 6,011,590 km (0.119 R)
• M11: 6,978,441 km (0.085 R)
• M12: 8,617,585 km (0.109 R)
• M13: 8,980,659 km (0.118 R)
• M14: 10,951,163 km (0.097 R)
• M15: 13,765,248 km (0.119 R)
• M16: 17,390,902 km (0.067 R)
• M17: 17,705,806 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.5

Radius: 13.4

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.89 AU - 4.03 AU

Year: 4292 Days

Day: 10.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 70.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,152,049 km

• M1: 168,148 km (0.076 R)
• M2: 585,077 km (0.099 R)
• M3: 1,139,038 km (0.107 R)
• M4: 1,627,475 km (0.091 R)
• M5: 2,148,076 km (0.038 R)
• M6: 2,763,821 km (0.077 R)
• M7: 4,999,262 km (0.053 R)
• M8: 6,427,622 km (0.065 R)
• M9: 6,959,891 km (0.111 R)
• M10: 8,180,610 km (0.072 R)
• M11: 9,278,359 km (0.115 R)
• M12: 9,767,095 km (0.074 R)
• M13: 10,272,886 km (0.048 R)
• M14: 10,878,308 km (0.097 R)
• M15: 13,070,216 km (0.111 R)
• M16: 15,805,613 km (0.081 R)
• M17: 16,723,097 km (0.112 R)
• M18: 18,546,396 km (0.09 R)
• M19: 21,655,489 km (0.114 R)
• M20: 22,249,991 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382

Radius: 14.6

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.81 AU - 5.47 AU

Year: 6665 Days

Day: 6 Hours

Environment

Temp: -231 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,152,049 km

• M1: 181,612 km (0.112 R)
• M2: 949,797 km (0.077 R)
• M3: 1,543,102 km (0.071 R)
• M4: 2,678,699 km (0.038 R)
• M5: 3,899,568 km (0.073 R)
• M6: 8,323,476 km (0.105 R)
• M7: 14,934,655 km (0.085 R)
• M8: 15,502,079 km (0.105 R)
• M9: 17,167,552 km (0.116 R)
• M10: 25,273,663 km (0.099 R)
• M11: 25,755,667 km (0.05 R)
• M12: 28,258,439 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.4

Radius: 4.4

Gravity: 29.93 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.76 AU - 6.96 AU

Year: 10696 Days

Day: 24.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,152,049 km

• M1: 55,351 km (0.095 R)
• M2: 252,372 km (0.103 R)
• M3: 565,929 km (0.089 R)
• M4: 1,028,934 km (0.103 R)
• M5: 1,577,510 km (0.118 R)
• M6: 2,301,114 km (0.029 R)
• M7: 2,551,990 km (0.098 R)
• M8: 3,062,867 km (0.083 R)
• M9: 3,415,020 km (0.091 R)
• M10: 3,872,640 km (0.107 R)
• M11: 4,227,785 km (0.028 R)
• M12: 4,398,776 km (0.1 R)
• M13: 4,940,021 km (0.106 R)
• M14: 5,291,875 km (0.104 R)
• M15: 5,763,557 km (0.068 R)
• M16: 10,856,467 km (0.119 R)
• M17: 11,070,093 km (0.072 R)
• M18: 13,059,745 km (0.065 R)
• M19: 13,545,938 km (0.116 R)
• M20: 16,367,353 km (0.081 R)
• M21: 17,510,132 km (0.104 R)
• M22: 18,100,894 km (0.029 R)
• M23: 18,704,970 km (0.112 R)
• M24: 18,858,008 km (0.074 R)
• M25: 24,119,365 km (0.064 R)
• M26: 46,985,400 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.7

Radius: 7.8

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 7.61 AU - 11.41 AU

Year: 19557 Days

Day: 20.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,152,049 km

• M1: 96,939 km (0.097 R)
• M2: 377,735 km (0.113 R)
• M3: 852,857 km (0.065 R)
• M4: 1,151,006 km (0.11 R)
• M5: 1,587,233 km (0.092 R)
• M6: 3,179,553 km (0.108 R)
• M7: 3,961,202 km (0.058 R)
• M8: 5,628,171 km (0.117 R)
• M9: 7,390,434 km (0.079 R)
• M10: 9,024,940 km (0.056 R)
• M11: 9,444,712 km (0.049 R)
• M12: 9,926,567 km (0.054 R)
• M13: 13,526,939 km (0.06 R)
• M14: 15,418,753 km (0.092 R)
• M15: 20,826,866 km (0.032 R)
• M16: 25,673,089 km (0.043 R)
• M17: 27,571,636 km (0.033 R)
• M18: 28,455,609 km (0.108 R)
• M19: 29,765,937 km (0.061 R)
• M20: 30,487,747 km (0.089 R)
• M21: 33,603,422 km (0.072 R)
• M22: 33,937,324 km (0.082 R)
• M23: 39,462,572 km (0.111 R)
• M24: 41,856,736 km (0.084 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: 248 - 14,355 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit