🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.3

Radius: 14.8

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.37 AU - 1.61 AU

Year: 1174 Days

Day: 6.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,109,458 km

• M1: 184,903 km (0.073 R)
• M2: 797,207 km (0.094 R)
• M3: 1,489,546 km (0.116 R)
• M4: 2,007,155 km (0.088 R)
• M5: 2,508,158 km (0.055 R)
• M6: 3,008,413 km (0.074 R)
• M7: 4,143,711 km (0.026 R)
• M8: 4,849,664 km (0.102 R)
• M9: 5,357,100 km (0.103 R)
• M10: 7,407,638 km (0.117 R)
• M11: 7,917,617 km (0.095 R)
• M12: 8,393,787 km (0.113 R)
• M13: 9,038,554 km (0.084 R)
• M14: 10,003,161 km (0.079 R)
• M15: 10,796,329 km (0.045 R)
• M16: 12,174,275 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.9

Radius: 12.5

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.22 AU - 3.26 AU

Year: 2928 Days

Day: 7.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,109,458 km

• M1: 163,660 km (0.107 R)
• M2: 692,788 km (0.089 R)
• M3: 1,571,825 km (0.112 R)
• M4: 2,115,912 km (0.061 R)
• M5: 2,536,731 km (0.102 R)
• M6: 3,328,403 km (0.052 R)
• M7: 3,763,134 km (0.096 R)
• M8: 4,235,864 km (0.103 R)
• M9: 5,685,467 km (0.117 R)
• M10: 6,538,325 km (0.091 R)
• M11: 8,191,979 km (0.112 R)
• M12: 9,207,151 km (0.081 R)
• M13: 10,186,867 km (0.101 R)
• M14: 11,234,950 km (0.055 R)
• M15: 11,656,816 km (0.05 R)
• M16: 12,132,986 km (0.085 R)
• M17: 12,848,662 km (0.097 R)
• M18: 13,592,463 km (0.083 R)
• M19: 14,463,272 km (0.117 R)
• M20: 15,013,493 km (0.043 R)
• M21: 20,054,343 km (0.103 R)
• M22: 20,802,033 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.3

Radius: 14.1

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.09 AU - 5.63 AU

Year: 8012 Days

Day: 7.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,109,458 km

• M1: 175,777 km (0.117 R)
• M2: 745,596 km (0.084 R)
• M3: 1,369,419 km (0.097 R)
• M4: 2,525,212 km (0.074 R)
• M5: 3,059,725 km (0.082 R)
• M6: 3,623,560 km (0.119 R)
• M7: 5,557,710 km (0.087 R)
• M8: 7,000,283 km (0.105 R)
• M9: 7,558,432 km (0.102 R)
• M10: 9,020,303 km (0.06 R)
• M11: 9,502,756 km (0.118 R)
• M12: 11,054,385 km (0.08 R)
• M13: 11,709,923 km (0.07 R)
• M14: 12,933,334 km (0.108 R)
• M15: 13,891,209 km (0.05 R)
• M16: 14,956,496 km (0.101 R)
• M17: 16,331,600 km (0.076 R)
• M18: 18,271,136 km (0.057 R)
• M19: 20,735,462 km (0.117 R)
• M20: 22,443,720 km (0.077 R)
• M21: 26,493,633 km (0.118 R)
• M22: 29,449,538 km (0.118 R)
• M23: 31,604,944 km (0.118 R)
• M24: 33,237,356 km (0.079 R)
• M25: 35,140,241 km (0.093 R)
• M26: 36,338,370 km (0.081 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 975.7

Radius: 4.2

Gravity: 55.31 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 10.07 AU - 10.33 AU

Year: 21034 Days

Day: 19.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 55,109,458 km

• M1: 54,005 km (0.083 R)
• M2: 190,288 km (0.085 R)
• M3: 362,924 km (0.104 R)
• M4: 1,625,381 km (0.038 R)
• M5: 2,662,842 km (0.101 R)
• M6: 4,607,315 km (0.071 R)
• M7: 4,869,261 km (0.1 R)
• M8: 5,423,072 km (0.087 R)
• M9: 6,150,567 km (0.047 R)
• M10: 6,607,738 km (0.054 R)
• M11: 6,941,042 km (0.078 R)
• M12: 8,442,107 km (0.11 R)
• M13: 9,960,675 km (0.081 R)
• M14: 10,914,810 km (0.058 R)
• M15: 13,076,799 km (0.092 R)
• M16: 13,754,327 km (0.071 R)
• M17: 18,503,461 km (0.034 R)
• M18: 19,939,451 km (0.1 R)
• M19: 20,533,953 km (0.103 R)
• M20: 22,923,031 km (0.096 R)
• M21: 24,351,990 km (0.094 R)
• M22: 26,073,413 km (0.033 R)
• M23: 33,216,412 km (0.089 R)
• M24: 37,381,217 km (0.057 R)
• M25: 39,977,637 km (0.089 R)
• M26: 42,203,953 km (0.055 R)
• M27: 42,528,730 km (0.089 R)
• M28: 45,867,455 km (0.058 R)
• M29: 49,737,103 km (0.081 R)
• M30: 53,818,881 km (0.116 R)
• M31: 54,584,224 km (0.086 R)
• M32: 59,329,319 km (0.103 R)
• M33: 63,913,895 km (0.08 R)
• M34: 68,281,555 km (0.065 R)
• M35: 68,504,904 km (0.102 R)
• M36: 74,251,258 km (0.07 R)
• M37: 83,843,174 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.7

Radius: 5.4

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 9.74 AU - 11.7 AU

Year: 22662 Days

Day: 20.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,109,458 km

• M1: 67,169 km (0.093 R)
• M2: 837,598 km (0.107 R)
• M3: 1,023,399 km (0.075 R)
• M4: 1,787,545 km (0.094 R)
• M5: 3,208,276 km (0.12 R)
• M6: 3,537,242 km (0.081 R)
• M7: 4,174,379 km (0.052 R)
• M8: 4,566,625 km (0.106 R)
• M9: 4,787,880 km (0.082 R)
• M10: 5,781,808 km (0.083 R)
• M11: 7,986,582 km (0.108 R)
• M12: 14,361,246 km (0.077 R)
• M13: 16,474,017 km (0.079 R)
• M14: 18,385,878 km (0.08 R)
• M15: 22,371,614 km (0.106 R)
• M16: 27,619,507 km (0.114 R)
• M17: 34,590,917 km (0.1 R)
• M18: 35,444,822 km (0.115 R)
• M19: 36,312,639 km (0.1 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 13,689 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit