🌌 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: 547.8

Radius: 12.1

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.47 AU - 0.67 AU

Year: 302 Days

Day: 10.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,435,226 km

• M1: 150,645 km (0.091 R)
• M2: 556,205 km (0.119 R)
• M3: 1,168,210 km (0.057 R)
• M4: 1,562,101 km (0.09 R)
• M5: 2,009,548 km (0.096 R)
• M6: 2,491,403 km (0.089 R)
• M7: 3,199,749 km (0.1 R)
• M8: 3,602,018 km (0.117 R)
• M9: 4,269,523 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.1

Radius: 13.5

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.79 AU - 1.93 AU

Year: 1783 Days

Day: 14.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,435,226 km

• M1: 167,998 km (0.098 R)
• M2: 709,393 km (0.057 R)
• M3: 1,141,133 km (0.101 R)
• M4: 1,870,871 km (0.086 R)
• M5: 2,535,983 km (0.06 R)
• M6: 3,323,167 km (0.118 R)
• M7: 4,559,893 km (0.116 R)
• M8: 5,013,174 km (0.073 R)
• M9: 5,867,827 km (0.052 R)
• M10: 6,305,401 km (0.076 R)
• M11: 6,843,654 km (0.11 R)
• M12: 7,274,346 km (0.088 R)
• M13: 7,722,990 km (0.096 R)
• M14: 8,160,414 km (0.109 R)
• M15: 9,117,392 km (0.113 R)
• M16: 9,706,508 km (0.105 R)
• M17: 10,251,493 km (0.094 R)
• M18: 11,703,640 km (0.111 R)
• M19: 12,439,811 km (0.055 R)
• M20: 14,090,474 km (0.101 R)
• M21: 14,834,723 km (0.104 R)
• M22: 15,375,669 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.3

Radius: 14.8

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.51 AU - 5.11 AU

Year: 6290 Days

Day: 6.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,435,226 km

• M1: 184,005 km (0.086 R)
• M2: 647,011 km (0.077 R)
• M3: 1,434,793 km (0.12 R)
• M4: 2,301,713 km (0.104 R)
• M5: 3,059,127 km (0.032 R)
• M6: 3,754,757 km (0.108 R)
• M7: 5,076,155 km (0.089 R)
• M8: 5,725,709 km (0.08 R)
• M9: 6,558,670 km (0.083 R)
• M10: 7,793,750 km (0.053 R)
• M11: 8,390,346 km (0.052 R)
• M12: 9,301,397 km (0.07 R)
• M13: 11,941,201 km (0.075 R)
• M14: 13,407,111 km (0.102 R)
• M15: 18,071,572 km (0.05 R)
• M16: 21,265,337 km (0.072 R)
• M17: 22,137,643 km (0.083 R)
• M18: 23,185,127 km (0.068 R)
• M19: 24,977,758 km (0.029 R)
• M20: 28,225,977 km (0.087 R)
• M21: 29,726,294 km (0.065 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.3

Radius: 7.6

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.69 AU - 8.85 AU

Year: 13779 Days

Day: 21.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,435,226 km

• M1: 143,165 km (0.089 R)
• M2: 688,300 km (0.105 R)
• M3: 1,011,132 km (0.07 R)
• M4: 1,254,229 km (0.062 R)
• M5: 2,337,467 km (0.109 R)
• M6: 2,789,851 km (0.092 R)
• M7: 4,204,299 km (0.025 R)
• M8: 5,875,157 km (0.084 R)
• M9: 10,910,472 km (0.085 R)
• M10: 11,165,237 km (0.078 R)
• M11: 13,117,938 km (0.101 R)
• M12: 21,101,228 km (0.087 R)
• M13: 28,716,508 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717.1

Radius: 7.1

Gravity: 14.23 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.45 AU - 9.53 AU

Year: 17389 Days

Day: 16.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 71,435,226 km

• M1: 125,662 km (0.09 R)
• M2: 370,853 km (0.081 R)
• M3: 593,604 km (0.119 R)
• M4: 878,289 km (0.118 R)
• M5: 1,426,266 km (0.102 R)
• M6: 1,749,996 km (0.06 R)
• M7: 2,306,350 km (0.095 R)
• M8: 2,900,104 km (0.111 R)
• M9: 3,914,976 km (0.094 R)
• M10: 4,827,224 km (0.093 R)
• M11: 7,861,817 km (0.111 R)
• M12: 8,717,367 km (0.069 R)
• M13: 9,357,646 km (0.091 R)
• M14: 10,086,188 km (0.068 R)
• M15: 10,612,323 km (0.081 R)
• M16: 12,969,088 km (0.093 R)
• M17: 19,302,912 km (0.037 R)
• M18: 24,198,054 km (0.091 R)
• M19: 25,459,314 km (0.05 R)
• M20: 35,942,384 km (0.08 R)
• M21: 36,483,480 km (0.109 R)
• M22: 36,892,929 km (0.115 R)
• M23: 40,279,675 km (0.065 R)
• M24: 46,694,881 km (0.066 R)
• M25: 49,141,704 km (0.096 R)
• M26: 50,650,099 km (0.088 R)
• M27: 58,470,627 km (0.099 R)
• M28: 59,219,065 km (0.034 R)
• M29: 61,502,826 km (0.082 R)
• M30: 62,861,923 km (0.041 R)
• M31: 63,253,720 km (0.12 R)
• M32: 70,379,066 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 545.5

Radius: 7.9

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 7.11 AU - 11.77 AU

Year: 20388 Days

Day: 19.1 Hours

Environment

Temp: -243 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,435,226 km

• M1: 99,333 km (0.066 R)
• M2: 827,127 km (0.084 R)
• M3: 1,147,266 km (0.116 R)
• M4: 1,581,848 km (0.077 R)
• M5: 1,929,663 km (0.064 R)
• M6: 3,482,339 km (0.115 R)
• M7: 5,014,820 km (0.067 R)
• M8: 5,421,277 km (0.113 R)
• M9: 10,718,687 km (0.092 R)
• M10: 11,773,801 km (0.032 R)
• M11: 14,600,902 km (0.088 R)
• M12: 17,851,065 km (0.062 R)
• M13: 19,508,909 km (0.104 R)
• M14: 25,522,743 km (0.071 R)
• M15: 29,240,699 km (0.115 R)
• M16: 32,920,358 km (0.105 R)
• M17: 34,343,482 km (0.094 R)
• M18: 51,584,637 km (0.096 R)
• M19: 54,389,148 km (0.079 R)
• M20: 56,192,700 km (0.074 R)
• M21: 67,445,751 km (0.11 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 14,782 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit