🌌 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: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.1

Radius: 13

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.64 AU - 0.76 AU

Year: 378 Days

Day: 5.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 108.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,040,727 km

• M1: 161,715 km (0.099 R)
• M2: 617,540 km (0.103 R)
• M3: 1,051,224 km (0.112 R)
• M4: 1,506,899 km (0.052 R)
• M5: 2,338,215 km (0.058 R)
• M6: 3,028,459 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.2

Radius: 10.8

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.62 AU - 0.82 AU

Year: 394 Days

Day: 14.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,040,727 km

• M1: 134,339 km (0.028 R)
• M2: 470,635 km (0.098 R)
• M3: 848,669 km (0.073 R)
• M4: 1,195,137 km (0.102 R)
• M5: 1,881,941 km (0.094 R)
• M6: 2,319,814 km (0.071 R)
• M7: 2,855,375 km (0.067 R)
• M8: 3,855,885 km (0.034 R)
• M9: 4,723,852 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.1

Radius: 12.9

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.71 AU - 0.79 AU

Year: 419 Days

Day: 11.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,040,727 km

• M1: 161,416 km (0.032 R)
• M2: 610,210 km (0.064 R)
• M3: 1,430,754 km (0.094 R)
• M4: 2,046,798 km (0.116 R)
• M5: 2,483,624 km (0.066 R)
• M6: 3,105,652 km (0.088 R)
• M7: 4,394,886 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.9

Radius: 12

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.86 AU - 0.98 AU

Year: 570 Days

Day: 10.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,040,727 km

• M1: 150,795 km (0.079 R)
• M2: 587,920 km (0.032 R)
• M3: 966,253 km (0.082 R)
• M4: 1,374,655 km (0.107 R)
• M5: 1,790,238 km (0.112 R)
• M6: 2,360,654 km (0.077 R)
• M7: 2,918,505 km (0.119 R)
• M8: 3,631,040 km (0.12 R)
• M9: 4,118,280 km (0.117 R)
• M10: 4,584,128 km (0.108 R)
• M11: 5,242,508 km (0.102 R)
• M12: 6,540,569 km (0.104 R)
• M13: 7,948,135 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890

Radius: 8.3

Gravity: 12.92 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.77 AU - 2.47 AU

Year: 1993 Days

Day: 7 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,040,727 km

• M1: 103,372 km (0.078 R)
• M2: 509,680 km (0.111 R)
• M3: 770,279 km (0.071 R)
• M4: 1,238,820 km (0.097 R)
• M5: 1,504,057 km (0.092 R)
• M6: 1,785,600 km (0.104 R)
• M7: 2,255,188 km (0.066 R)
• M8: 2,774,741 km (0.115 R)
• M9: 3,565,067 km (0.074 R)
• M10: 4,170,340 km (0.073 R)
• M11: 4,842,184 km (0.117 R)
• M12: 5,415,742 km (0.074 R)
• M13: 5,957,286 km (0.115 R)
• M14: 6,507,507 km (0.092 R)
• M15: 6,920,846 km (0.039 R)
• M16: 7,235,002 km (0.113 R)
• M17: 7,648,640 km (0.084 R)
• M18: 8,719,013 km (0.073 R)
• M19: 9,814,668 km (0.061 R)
• M20: 10,657,203 km (0.094 R)
• M21: 13,342,036 km (0.098 R)
• M22: 13,695,386 km (0.082 R)
• M23: 14,145,975 km (0.072 R)
• M24: 15,219,788 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.5

Radius: 9

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.34 AU - 2.82 AU

Year: 2676 Days

Day: 8.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,040,727 km

• M1: 112,049 km (0.083 R)
• M2: 438,771 km (0.117 R)
• M3: 764,744 km (0.104 R)
• M4: 1,376,600 km (0.118 R)
• M5: 2,369,181 km (0.082 R)
• M6: 2,793,890 km (0.066 R)
• M7: 3,178,506 km (0.12 R)
• M8: 3,565,964 km (0.091 R)
• M9: 4,324,575 km (0.083 R)
• M10: 4,861,033 km (0.098 R)
• M11: 5,145,419 km (0.047 R)
• M12: 6,043,455 km (0.09 R)
• M13: 6,420,890 km (0.091 R)
• M14: 7,407,339 km (0.102 R)
• M15: 9,457,727 km (0.1 R)
• M16: 10,163,081 km (0.073 R)
• M17: 12,340,328 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.5

Radius: 14.5

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 4.19 AU - 4.43 AU

Year: 5777 Days

Day: 7.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,040,727 km

• M1: 304,432 km (0.081 R)
• M2: 926,011 km (0.117 R)
• M3: 2,554,234 km (0.114 R)
• M4: 3,876,978 km (0.118 R)
• M5: 5,218,722 km (0.111 R)
• M6: 7,361,861 km (0.103 R)
• M7: 8,225,340 km (0.107 R)
• M8: 9,590,869 km (0.086 R)
• M9: 10,347,386 km (0.104 R)
• M10: 11,766,920 km (0.088 R)
• M11: 14,595,067 km (0.063 R)
• M12: 18,531,436 km (0.039 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 544.5

Radius: 3

Gravity: 60.5 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 6.97 AU - 11.09 AU

Year: 17521 Days

Day: 23.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 60,040,727 km

• M1: 38,596 km (0.102 R)
• M2: 143,315 km (0.065 R)
• M3: 272,867 km (0.098 R)
• M4: 459,116 km (0.11 R)
• M5: 1,144,873 km (0.085 R)
• M6: 2,527,755 km (0.034 R)
• M7: 2,755,294 km (0.072 R)
• M8: 5,058,353 km (0.116 R)
• M9: 5,606,330 km (0.109 R)
• M10: 5,993,040 km (0.04 R)
• M11: 7,304,415 km (0.119 R)
• M12: 9,857,901 km (0.105 R)
• M13: 10,362,944 km (0.091 R)
• M14: 11,424,191 km (0.075 R)
• M15: 12,107,255 km (0.081 R)
• M16: 12,817,097 km (0.081 R)
• M17: 14,820,511 km (0.099 R)
• M18: 15,632,080 km (0.09 R)
• M19: 15,934,417 km (0.084 R)
• M20: 17,262,846 km (0.097 R)
• M21: 17,504,746 km (0.083 R)
• M22: 17,830,720 km (0.078 R)
• M23: 18,160,733 km (0.108 R)
• M24: 23,022,813 km (0.079 R)
• M25: 26,171,699 km (0.092 R)
• M26: 31,714,449 km (0.096 R)
• M27: 35,337,411 km (0.117 R)
• M28: 37,449,583 km (0.025 R)
• M29: 43,094,958 km (0.085 R)
• M30: 46,273,763 km (0.116 R)
• M31: 46,740,359 km (0.111 R)
• M32: 47,053,018 km (0.114 R)
• M33: 52,080,704 km (0.04 R)
• M34: 55,507,243 km (0.057 R)
• M35: 56,563,703 km (0.084 R)
• M36: 60,924,032 km (0.081 R)
• M37: 61,859,767 km (0.073 R)
• M38: 64,144,575 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.7

Radius: 7.6

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 8.7 AU - 9.7 AU

Year: 18018 Days

Day: 19 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,040,727 km

• M1: 99,931 km (0.09 R)
• M2: 552,764 km (0.044 R)
• M3: 804,986 km (0.068 R)
• M4: 1,327,681 km (0.066 R)
• M5: 1,571,675 km (0.102 R)
• M6: 2,095,866 km (0.079 R)
• M7: 3,230,566 km (0.076 R)
• M8: 3,515,400 km (0.118 R)
• M9: 5,062,990 km (0.11 R)
• M10: 10,068,086 km (0.106 R)
• M11: 11,790,706 km (0.094 R)
• M12: 16,405,800 km (0.076 R)
• M13: 28,982,044 km (0.078 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 19,423 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit