🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118

Radius: 14.6

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.37 AU - 1.59 AU

Year: 1266 Days

Day: 8.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,795,623 km

• M1: 181,911 km (0.095 R)
• M2: 979,716 km (0.074 R)
• M3: 1,566,439 km (0.09 R)
• M4: 2,705,477 km (0.079 R)
• M5: 3,297,735 km (0.08 R)
• M6: 4,356,888 km (0.053 R)
• M7: 5,649,564 km (0.089 R)
• M8: 6,703,481 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.1

Radius: 12

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.27 AU - 2.03 AU

Year: 1490 Days

Day: 9.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,795,623 km

• M1: 149,299 km (0.102 R)
• M2: 544,087 km (0.081 R)
• M3: 1,136,794 km (0.103 R)
• M4: 1,566,738 km (0.081 R)
• M5: 2,039,318 km (0.119 R)
• M6: 2,795,236 km (0.111 R)
• M7: 3,514,652 km (0.111 R)
• M8: 5,279,458 km (0.075 R)
• M9: 5,950,704 km (0.076 R)
• M10: 6,478,485 km (0.098 R)
• M11: 7,168,880 km (0.119 R)
• M12: 7,795,096 km (0.093 R)
• M13: 8,666,504 km (0.113 R)
• M14: 10,261,666 km (0.052 R)
• M15: 12,617,533 km (0.103 R)
• M16: 13,900,933 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.1

Radius: 13.6

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.51 AU - 1.83 AU

Year: 1517 Days

Day: 9.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,795,623 km

• M1: 169,195 km (0.111 R)
• M2: 803,939 km (0.084 R)
• M3: 1,497,774 km (0.096 R)
• M4: 2,152,414 km (0.079 R)
• M5: 2,630,529 km (0.051 R)
• M6: 3,125,698 km (0.089 R)
• M7: 3,563,571 km (0.065 R)
• M8: 4,943,910 km (0.096 R)
• M9: 7,989,573 km (0.077 R)
• M10: 9,758,269 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.4

Radius: 10.7

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.74 AU - 2.34 AU

Year: 2048 Days

Day: 8.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,795,623 km

• M1: 133,142 km (0.067 R)
• M2: 523,144 km (0.077 R)
• M3: 1,079,947 km (0.065 R)
• M4: 1,453,942 km (0.113 R)
• M5: 2,473,601 km (0.074 R)
• M6: 3,254,202 km (0.07 R)
• M7: 4,572,459 km (0.092 R)
• M8: 5,659,437 km (0.058 R)
• M9: 6,474,745 km (0.116 R)
• M10: 7,734,659 km (0.087 R)
• M11: 8,115,086 km (0.12 R)
• M12: 9,121,281 km (0.096 R)
• M13: 11,002,923 km (0.119 R)
• M14: 11,695,861 km (0.052 R)
• M15: 12,270,915 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.8

Radius: 10.6

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.34 AU - 5.36 AU

Year: 6377 Days

Day: 14.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,795,623 km

• M1: 131,796 km (0.119 R)
• M2: 486,043 km (0.035 R)
• M3: 1,332,618 km (0.116 R)
• M4: 1,834,668 km (0.079 R)
• M5: 2,888,884 km (0.096 R)
• M6: 3,495,205 km (0.091 R)
• M7: 3,945,045 km (0.077 R)
• M8: 4,692,436 km (0.031 R)
• M9: 5,128,215 km (0.097 R)
• M10: 6,402,340 km (0.089 R)
• M11: 6,768,406 km (0.092 R)
• M12: 7,876,477 km (0.071 R)
• M13: 8,258,550 km (0.115 R)
• M14: 11,531,602 km (0.118 R)
• M15: 11,925,344 km (0.092 R)
• M16: 14,196,988 km (0.097 R)
• M17: 14,821,708 km (0.074 R)
• M18: 15,702,840 km (0.113 R)
• M19: 16,432,578 km (0.087 R)
• M20: 18,893,313 km (0.109 R)
• M21: 22,798,566 km (0.058 R)
• M22: 23,655,313 km (0.106 R)
• M23: 26,100,939 km (0.086 R)
• M24: 27,211,404 km (0.111 R)
• M25: 27,910,176 km (0.099 R)
• M26: 29,161,861 km (0.084 R)
• M27: 32,356,823 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.4

Radius: 3.7

Gravity: 63.8 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.93 AU - 9.75 AU

Year: 15431 Days

Day: 18.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 46,795,623 km

• M1: 46,226 km (0.086 R)
• M2: 184,753 km (0.116 R)
• M3: 369,058 km (0.044 R)
• M4: 529,277 km (0.111 R)
• M5: 679,174 km (0.112 R)
• M6: 794,664 km (0.097 R)
• M7: 934,687 km (0.114 R)
• M8: 1,279,211 km (0.12 R)
• M9: 1,568,534 km (0.1 R)
• M10: 1,790,687 km (0.106 R)
• M11: 1,956,441 km (0.079 R)
• M12: 2,994,351 km (0.065 R)
• M13: 3,474,560 km (0.113 R)
• M14: 3,821,926 km (0.116 R)
• M15: 4,385,910 km (0.088 R)
• M16: 4,551,964 km (0.102 R)
• M17: 8,007,974 km (0.101 R)
• M18: 14,730,154 km (0.09 R)
• M19: 16,101,069 km (0.034 R)
• M20: 16,656,526 km (0.04 R)
• M21: 17,389,256 km (0.033 R)
• M22: 20,535,449 km (0.096 R)
• M23: 21,188,294 km (0.116 R)
• M24: 26,696,937 km (0.084 R)
• M25: 29,190,285 km (0.113 R)
• M26: 30,734,284 km (0.108 R)
• M27: 30,976,633 km (0.08 R)
• M28: 35,691,509 km (0.074 R)
• M29: 37,180,456 km (0.109 R)
• M30: 58,579,385 km (0.095 R)
• M31: 59,513,324 km (0.104 R)
• M32: 60,267,746 km (0.117 R)
• M33: 62,374,982 km (0.103 R)
• M34: 64,928,019 km (0.076 R)
• M35: 67,345,820 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252.9

Radius: 3.2

Gravity: 24.7 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 7.78 AU - 8.2 AU

Year: 15876 Days

Day: 22.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 46,795,623 km

• M1: 40,990 km (0.074 R)
• M2: 144,960 km (0.037 R)
• M3: 286,181 km (0.117 R)
• M4: 544,536 km (0.026 R)
• M5: 662,270 km (0.069 R)
• M6: 815,009 km (0.099 R)
• M7: 1,781,860 km (0.114 R)
• M8: 2,625,742 km (0.063 R)
• M9: 5,242,957 km (0.038 R)
• M10: 5,506,997 km (0.064 R)
• M11: 5,642,233 km (0.105 R)
• M12: 6,169,267 km (0.089 R)
• M13: 6,844,252 km (0.062 R)
• M14: 7,320,721 km (0.047 R)
• M15: 8,032,957 km (0.078 R)
• M16: 8,653,190 km (0.056 R)
• M17: 10,038,466 km (0.088 R)
• M18: 12,296,496 km (0.077 R)
• M19: 14,039,311 km (0.05 R)
• M20: 15,668,133 km (0.103 R)
• M21: 18,079,501 km (0.111 R)
• M22: 18,909,620 km (0.102 R)
• M23: 22,657,346 km (0.055 R)
• M24: 23,004,861 km (0.111 R)
• M25: 25,913,942 km (0.104 R)
• M26: 26,677,639 km (0.085 R)
• M27: 27,554,731 km (0.045 R)
• M28: 28,753,758 km (0.054 R)
• M29: 29,987,043 km (0.107 R)
• M30: 31,685,876 km (0.096 R)
• M31: 35,041,805 km (0.116 R)
• M32: 35,740,278 km (0.1 R)
• M33: 36,924,943 km (0.093 R)
• M34: 40,508,111 km (0.064 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 15,523 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit