🌌 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: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.6

Radius: 10.5

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.64 AU - 0.7 AU

Year: 366 Days

Day: 5.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,530,246 km

• M1: 132,095 km (0.117 R)
• M2: 460,013 km (0.073 R)
• M3: 854,054 km (0.1 R)
• M4: 1,251,237 km (0.087 R)
• M5: 1,706,164 km (0.071 R)
• M6: 2,047,247 km (0.091 R)
• M7: 2,424,832 km (0.071 R)
• M8: 3,140,508 km (0.04 R)
• M9: 3,584,963 km (0.108 R)
• M10: 4,124,712 km (0.107 R)
• M11: 5,128,664 km (0.117 R)
• M12: 5,480,967 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.4

Radius: 12.5

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.05 AU - 1.69 AU

Year: 1069 Days

Day: 10.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,530,246 km

• M1: 156,330 km (0.101 R)
• M2: 562,189 km (0.114 R)
• M3: 1,305,840 km (0.12 R)
• M4: 1,949,260 km (0.073 R)
• M5: 2,982,832 km (0.092 R)
• M6: 3,381,061 km (0.081 R)
• M7: 4,030,316 km (0.093 R)
• M8: 4,743,748 km (0.071 R)
• M9: 6,063,202 km (0.081 R)
• M10: 6,531,593 km (0.074 R)
• M11: 8,732,177 km (0.077 R)
• M12: 9,220,166 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.6

Radius: 8.7

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.64 AU - 5.26 AU

Year: 6260 Days

Day: 7.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,530,246 km

• M1: 112,498 km (0.099 R)
• M2: 564,732 km (0.106 R)
• M3: 1,377,647 km (0.115 R)
• M4: 1,997,281 km (0.114 R)
• M5: 2,538,377 km (0.115 R)
• M6: 6,103,892 km (0.069 R)
• M7: 7,754,555 km (0.037 R)
• M8: 8,701,659 km (0.106 R)
• M9: 9,561,698 km (0.09 R)
• M10: 12,725,094 km (0.103 R)
• M11: 13,422,220 km (0.109 R)
• M12: 21,434,832 km (0.117 R)
• M13: 21,713,533 km (0.105 R)
• M14: 22,065,387 km (0.093 R)
• M15: 22,780,614 km (0.101 R)
• M16: 23,070,984 km (0.077 R)
• M17: 24,788,816 km (0.103 R)
• M18: 26,270,732 km (0.073 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.6

Radius: 3

Gravity: 83.62 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.62 AU - 9.28 AU

Year: 13560 Days

Day: 24.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,530,246 km

• M1: 37,399 km (0.114 R)
• M2: 134,339 km (0.093 R)
• M3: 290,070 km (0.114 R)
• M4: 559,047 km (0.101 R)
• M5: 917,035 km (0.091 R)
• M6: 1,380,938 km (0.091 R)
• M7: 1,806,693 km (0.1 R)
• M8: 2,059,065 km (0.118 R)
• M9: 2,417,502 km (0.076 R)
• M10: 2,792,693 km (0.037 R)
• M11: 3,006,319 km (0.092 R)
• M12: 3,104,754 km (0.027 R)
• M13: 3,412,926 km (0.08 R)
• M14: 4,241,548 km (0.103 R)
• M15: 5,090,965 km (0.073 R)
• M16: 5,518,815 km (0.097 R)
• M17: 6,008,898 km (0.077 R)
• M18: 6,776,335 km (0.077 R)
• M19: 8,023,083 km (0.079 R)
• M20: 10,222,770 km (0.082 R)
• M21: 11,252,153 km (0.115 R)
• M22: 11,370,635 km (0.093 R)
• M23: 13,117,639 km (0.11 R)
• M24: 13,782,601 km (0.117 R)
• M25: 14,821,858 km (0.09 R)
• M26: 15,837,777 km (0.043 R)
• M27: 16,136,374 km (0.077 R)
• M28: 30,926,517 km (0.098 R)
• M29: 40,466,972 km (0.036 R)
• M30: 46,427,849 km (0.079 R)
• M31: 47,192,593 km (0.072 R)
• M32: 47,346,529 km (0.051 R)
• M33: 48,589,987 km (0.112 R)
• M34: 51,304,590 km (0.067 R)
• M35: 56,338,259 km (0.051 R)
• M36: 57,910,233 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.8

Radius: 7.1

Gravity: 15.35 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 7.33 AU - 10.07 AU

Year: 17112 Days

Day: 23.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,530,246 km

• M1: 95,743 km (0.059 R)
• M2: 593,156 km (0.077 R)
• M3: 1,099,245 km (0.065 R)
• M4: 1,492,388 km (0.069 R)
• M5: 2,192,806 km (0.042 R)
• M6: 2,675,109 km (0.117 R)
• M7: 3,388,691 km (0.079 R)
• M8: 3,614,285 km (0.104 R)
• M9: 4,319,639 km (0.066 R)
• M10: 5,004,498 km (0.1 R)
• M11: 5,799,311 km (0.044 R)
• M12: 6,164,629 km (0.103 R)
• M13: 7,733,013 km (0.103 R)
• M14: 8,531,866 km (0.096 R)
• M15: 10,060,307 km (0.113 R)
• M16: 11,320,370 km (0.083 R)
• M17: 12,481,549 km (0.101 R)
• M18: 13,159,825 km (0.081 R)
• M19: 15,962,691 km (0.072 R)
• M20: 17,419,774 km (0.101 R)
• M21: 17,670,949 km (0.12 R)
• M22: 19,229,161 km (0.087 R)
• M23: 21,255,314 km (0.052 R)
• M24: 32,400,356 km (0.106 R)
• M25: 36,884,552 km (0.092 R)
• M26: 42,669,501 km (0.114 R)
• M27: 47,547,888 km (0.08 R)
• M28: 50,544,483 km (0.116 R)
• M29: 52,436,447 km (0.062 R)
• M30: 56,543,806 km (0.103 R)
• M31: 60,094,661 km (0.049 R)
• M32: 65,190,563 km (0.107 R)
• M33: 66,610,247 km (0.036 R)
• M34: 68,465,560 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491.7

Radius: 3.9

Gravity: 32.33 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.51 AU - 10.21 AU

Year: 17587 Days

Day: 17.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,530,246 km

• M1: 62,682 km (0.096 R)
• M2: 235,018 km (0.056 R)
• M3: 497,712 km (0.11 R)
• M4: 789,129 km (0.087 R)
• M5: 1,211,294 km (0.108 R)
• M6: 1,964,519 km (0.096 R)
• M7: 2,727,468 km (0.095 R)
• M8: 4,168,545 km (0.089 R)
• M9: 5,120,885 km (0.115 R)
• M10: 5,972,994 km (0.054 R)
• M11: 6,371,373 km (0.112 R)
• M12: 8,191,381 km (0.085 R)
• M13: 10,672,312 km (0.057 R)
• M14: 14,370,671 km (0.066 R)
• M15: 17,286,932 km (0.052 R)
• M16: 19,264,615 km (0.033 R)
• M17: 25,676,829 km (0.09 R)
• M18: 30,971,546 km (0.08 R)
• M19: 36,293,790 km (0.072 R)
• M20: 41,906,403 km (0.099 R)
• M21: 46,977,920 km (0.118 R)
• M22: 49,821,327 km (0.093 R)
• M23: 54,127,950 km (0.118 R)
• M24: 57,073,832 km (0.107 R)
• M25: 59,760,460 km (0.061 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 15,980 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit