🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.3

Radius: 13.6

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.66 AU - 0.7 AU

Year: 394 Days

Day: 10.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,057,722 km

• M1: 169,494 km (0.1 R)
• M2: 696,079 km (0.087 R)
• M3: 1,124,976 km (0.034 R)
• M4: 1,590,674 km (0.04 R)
• M5: 2,157,351 km (0.12 R)
• M6: 2,686,628 km (0.076 R)
• M7: 3,394,974 km (0.084 R)
• M8: 4,069,960 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.8

Radius: 11.5

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.3 AU - 2 AU

Year: 1490 Days

Day: 8.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,057,722 km

• M1: 143,016 km (0.099 R)
• M2: 518,656 km (0.074 R)
• M3: 976,126 km (0.115 R)
• M4: 1,478,625 km (0.062 R)
• M5: 1,937,592 km (0.059 R)
• M6: 2,867,342 km (0.091 R)
• M7: 3,295,342 km (0.102 R)
• M8: 4,136,381 km (0.051 R)
• M9: 4,531,020 km (0.1 R)
• M10: 5,531,680 km (0.093 R)
• M11: 6,136,654 km (0.11 R)
• M12: 7,526,867 km (0.036 R)
• M13: 7,917,617 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418

Radius: 14.3

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.71 AU - 3.67 AU

Year: 4005 Days

Day: 7.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,057,722 km

• M1: 177,872 km (0.105 R)
• M2: 653,743 km (0.074 R)
• M3: 1,208,751 km (0.118 R)
• M4: 2,616,317 km (0.104 R)
• M5: 4,257,107 km (0.048 R)
• M6: 5,450,748 km (0.07 R)
• M7: 6,709,315 km (0.11 R)
• M8: 10,181,332 km (0.086 R)
• M9: 10,940,242 km (0.045 R)
• M10: 12,392,538 km (0.097 R)
• M11: 14,212,546 km (0.03 R)
• M12: 14,756,633 km (0.069 R)
• M13: 17,802,895 km (0.1 R)
• M14: 18,787,249 km (0.105 R)
• M15: 20,300,281 km (0.1 R)
• M16: 20,927,695 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.6

Radius: 5.3

Gravity: 35.27 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.51 AU - 6.57 AU

Year: 10434 Days

Day: 24.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 30,057,722 km

• M1: 65,973 km (0.086 R)
• M2: 574,456 km (0.034 R)
• M3: 946,655 km (0.113 R)
• M4: 1,328,279 km (0.068 R)
• M5: 1,584,840 km (0.044 R)
• M6: 2,031,389 km (0.092 R)
• M7: 2,197,593 km (0.082 R)
• M8: 2,515,787 km (0.039 R)
• M9: 3,195,111 km (0.11 R)
• M10: 4,075,644 km (0.108 R)
• M11: 4,940,918 km (0.039 R)
• M12: 5,312,370 km (0.075 R)
• M13: 6,264,112 km (0.085 R)
• M14: 9,536,116 km (0.08 R)
• M15: 10,544,256 km (0.099 R)
• M16: 11,045,858 km (0.074 R)
• M17: 14,326,988 km (0.086 R)
• M18: 17,119,382 km (0.059 R)
• M19: 19,416,607 km (0.07 R)
• M20: 20,681,906 km (0.093 R)
• M21: 25,992,032 km (0.04 R)
• M22: 26,803,151 km (0.118 R)
• M23: 27,111,622 km (0.101 R)
• M24: 27,422,486 km (0.06 R)
• M25: 28,369,441 km (0.119 R)
• M26: 29,012,712 km (0.113 R)
• M27: 33,195,768 km (0.092 R)
• M28: 40,533,842 km (0.084 R)
• M29: 46,032,312 km (0.106 R)
• M30: 47,069,025 km (0.086 R)
• M31: 51,372,208 km (0.059 R)
• M32: 52,648,128 km (0.081 R)
• M33: 54,272,612 km (0.119 R)
• M34: 55,762,905 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 270.6

Radius: 4.8

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.34 AU - 8.88 AU

Year: 16235 Days

Day: 22.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 30,057,722 km

• M1: 59,690 km (0.063 R)
• M2: 236,963 km (0.111 R)
• M3: 583,432 km (0.069 R)
• M4: 1,171,202 km (0.081 R)
• M5: 1,477,429 km (0.103 R)
• M6: 1,664,576 km (0.075 R)
• M7: 1,933,403 km (0.113 R)
• M8: 2,140,147 km (0.073 R)
• M9: 3,453,018 km (0.073 R)
• M10: 3,837,335 km (0.092 R)
• M11: 4,306,773 km (0.086 R)
• M12: 6,648,877 km (0.098 R)
• M13: 7,700,102 km (0.114 R)
• M14: 8,444,650 km (0.115 R)
• M15: 9,332,364 km (0.111 R)
• M16: 10,540,367 km (0.103 R)
• M17: 15,723,933 km (0.102 R)
• M18: 16,069,055 km (0.116 R)
• M19: 20,448,084 km (0.095 R)
• M20: 24,073,888 km (0.069 R)
• M21: 24,440,103 km (0.109 R)
• M22: 25,466,046 km (0.098 R)
• M23: 26,617,800 km (0.108 R)
• M24: 31,246,507 km (0.115 R)
• M25: 32,677,261 km (0.093 R)
• M26: 34,729,445 km (0.066 R)
• M27: 36,383,848 km (0.055 R)
• M28: 41,398,967 km (0.075 R)
• M29: 42,188,844 km (0.091 R)
• M30: 44,618,911 km (0.084 R)
• M31: 46,997,966 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682.5

Radius: 3.5

Gravity: 55.71 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.16 AU - 9.56 AU

Year: 16991 Days

Day: 21.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 30,057,722 km

• M1: 46,675 km (0.081 R)
• M2: 189,840 km (0.088 R)
• M3: 588,518 km (0.07 R)
• M4: 711,188 km (0.103 R)
• M5: 1,159,832 km (0.077 R)
• M6: 1,792,482 km (0.097 R)
• M7: 1,957,488 km (0.091 R)
• M8: 2,112,621 km (0.034 R)
• M9: 2,469,562 km (0.054 R)
• M10: 2,674,062 km (0.114 R)
• M11: 2,914,615 km (0.081 R)
• M12: 3,578,830 km (0.106 R)
• M13: 3,722,893 km (0.115 R)
• M14: 5,728,850 km (0.097 R)
• M15: 7,719,699 km (0.11 R)
• M16: 9,567,233 km (0.106 R)
• M17: 10,475,441 km (0.116 R)
• M18: 10,830,437 km (0.118 R)
• M19: 11,564,215 km (0.09 R)
• M20: 11,943,296 km (0.078 R)
• M21: 12,593,448 km (0.058 R)
• M22: 13,335,453 km (0.116 R)
• M23: 13,612,359 km (0.102 R)
• M24: 14,832,180 km (0.101 R)
• M25: 16,201,150 km (0.077 R)
• M26: 18,238,972 km (0.113 R)
• M27: 19,987,472 km (0.099 R)
• M28: 23,210,558 km (0.074 R)
• M29: 26,328,028 km (0.083 R)
• M30: 28,099,417 km (0.101 R)
• M31: 33,887,508 km (0.104 R)
• M32: 38,996,425 km (0.104 R)
• M33: 44,288,001 km (0.104 R)
• M34: 52,231,349 km (0.1 R)
• M35: 53,264,621 km (0.052 R)
• M36: 62,797,895 km (0.098 R)
• M37: 65,346,893 km (0.071 R)
• M38: 68,168,309 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 36.1

Radius: 4.9

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 7.41 AU - 12.23 AU

Year: 21631 Days

Day: 18.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,057,722 km

• M1: 70,012 km (0.082 R)
• M2: 491,429 km (0.1 R)
• M3: 1,668,315 km (0.073 R)
• M4: 1,840,353 km (0.066 R)
• M5: 3,378,369 km (0.069 R)
• M6: 5,442,520 km (0.076 R)
• M7: 7,175,462 km (0.102 R)
• M8: 8,451,831 km (0.101 R)
• M9: 10,482,622 km (0.05 R)
• M10: 11,778,289 km (0.073 R)
• M11: 20,712,723 km (0.111 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: 191 - 14,047 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit