🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.78 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.6

Radius: 13.2

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.44 AU - 3.66 AU

Year: 2784 Days

Day: 6.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,703,774 km

• M1: 166,502 km (0.06 R)
• M2: 606,021 km (0.103 R)
• M3: 1,327,382 km (0.1 R)
• M4: 1,819,110 km (0.108 R)
• M5: 2,804,212 km (0.05 R)
• M6: 3,681,604 km (0.111 R)
• M7: 4,330,410 km (0.102 R)
• M8: 4,946,154 km (0.102 R)
• M9: 6,028,196 km (0.073 R)
• M10: 7,095,876 km (0.102 R)
• M11: 7,806,615 km (0.096 R)
• M12: 9,809,282 km (0.102 R)
• M13: 12,373,539 km (0.109 R)
• M14: 12,902,517 km (0.092 R)
• M15: 14,625,585 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.3

Radius: 13.2

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.2 AU - 6.68 AU

Year: 6026 Days

Day: 6.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,703,774 km

• M1: 164,109 km (0.1 R)
• M2: 581,337 km (0.047 R)
• M3: 1,116,599 km (0.086 R)
• M4: 1,982,621 km (0.089 R)
• M5: 2,649,827 km (0.052 R)
• M6: 3,406,643 km (0.076 R)
• M7: 5,124,176 km (0.12 R)
• M8: 5,772,533 km (0.054 R)
• M9: 7,392,977 km (0.066 R)
• M10: 7,883,359 km (0.099 R)
• M11: 8,535,905 km (0.104 R)
• M12: 9,186,955 km (0.106 R)
• M13: 9,793,425 km (0.092 R)
• M14: 10,877,261 km (0.113 R)
• M15: 12,353,942 km (0.08 R)
• M16: 13,235,372 km (0.094 R)
• M17: 14,610,177 km (0.106 R)
• M18: 15,970,171 km (0.089 R)
• M19: 17,470,189 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.2

Radius: 14.6

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 7.64 AU - 8.04 AU

Year: 9137 Days

Day: 11.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,703,774 km

• M1: 182,061 km (0.087 R)
• M2: 749,186 km (0.044 R)
• M3: 1,464,264 km (0.098 R)
• M4: 2,061,907 km (0.073 R)
• M5: 3,612,190 km (0.113 R)
• M6: 5,413,049 km (0.099 R)
• M7: 5,871,118 km (0.12 R)
• M8: 6,417,449 km (0.114 R)
• M9: 8,565,076 km (0.074 R)
• M10: 9,391,006 km (0.09 R)
• M11: 11,525,469 km (0.079 R)
• M12: 12,781,193 km (0.117 R)
• M13: 15,167,728 km (0.037 R)
• M14: 16,200,851 km (0.107 R)
• M15: 18,664,578 km (0.093 R)
• M16: 20,325,713 km (0.109 R)
• M17: 22,083,638 km (0.089 R)
• M18: 23,636,912 km (0.058 R)
• M19: 24,790,312 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 11.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.1

Radius: 3.4

Gravity: 47.24 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 11.36 AU - 11.56 AU

Year: 16148 Days

Day: 24.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 165.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,703,774 km

• M1: 55,501 km (0.074 R)
• M2: 161,715 km (0.068 R)
• M3: 404,812 km (0.107 R)
• M4: 3,088,897 km (0.063 R)
• M5: 4,902,771 km (0.116 R)
• M6: 8,888,357 km (0.035 R)
• M7: 9,668,510 km (0.112 R)
• M8: 10,213,196 km (0.116 R)
• M9: 10,436,845 km (0.071 R)
• M10: 11,664,146 km (0.058 R)
• M11: 12,218,556 km (0.094 R)
• M12: 16,599,529 km (0.079 R)
• M13: 20,476,209 km (0.095 R)
• M14: 27,842,856 km (0.091 R)
• M15: 39,608,430 km (0.079 R)
• M16: 39,745,761 km (0.118 R)
• M17: 45,807,167 km (0.087 R)
• M18: 53,288,108 km (0.053 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.9

Radius: 3.5

Gravity: 13.87 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 10.99 AU - 13.71 AU

Year: 18065 Days

Day: 20 Hours

Environment

Temp: -199 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,703,774 km

• M1: 95,144 km (0.101 R)
• M2: 222,901 km (0.102 R)
• M3: 340,036 km (0.067 R)
• M4: 2,531,196 km (0.072 R)
• M5: 3,233,259 km (0.108 R)
• M6: 4,275,058 km (0.107 R)
• M7: 6,354,918 km (0.1 R)
• M8: 6,501,374 km (0.065 R)
• M9: 6,954,356 km (0.117 R)
• M10: 11,524,571 km (0.103 R)
• M11: 16,979,957 km (0.111 R)
• M12: 17,836,255 km (0.093 R)
• M13: 24,025,268 km (0.076 R)
• M14: 31,611,077 km (0.087 R)
• M15: 34,007,635 km (0.082 R)
• M16: 35,709,311 km (0.119 R)
• M17: 42,434,034 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840.9

Radius: 5

Gravity: 33.64 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 13.37 AU - 15.41 AU

Year: 22721 Days

Day: 19.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 88,703,774 km

• M1: 63,729 km (0.116 R)
• M2: 243,695 km (0.054 R)
• M3: 439,070 km (0.111 R)
• M4: 1,032,076 km (0.061 R)
• M5: 1,414,298 km (0.109 R)
• M6: 1,846,038 km (0.058 R)
• M7: 2,028,996 km (0.107 R)
• M8: 2,479,585 km (0.043 R)
• M9: 3,364,905 km (0.096 R)
• M10: 4,302,136 km (0.071 R)
• M11: 4,964,555 km (0.086 R)
• M12: 5,279,907 km (0.083 R)
• M13: 7,358,570 km (0.032 R)
• M14: 8,247,779 km (0.093 R)
• M15: 9,383,227 km (0.092 R)
• M16: 10,300,412 km (0.07 R)
• M17: 13,258,859 km (0.11 R)
• M18: 13,484,303 km (0.054 R)
• M19: 14,809,890 km (0.041 R)
• M20: 20,182,099 km (0.085 R)
• M21: 21,393,094 km (0.04 R)
• M22: 21,911,600 km (0.116 R)
• M23: 26,722,219 km (0.05 R)
• M24: 30,596,804 km (0.025 R)
• M25: 31,520,571 km (0.091 R)
• M26: 32,872,487 km (0.114 R)
• M27: 37,908,400 km (0.116 R)
• M28: 39,591,376 km (0.08 R)
• M29: 40,215,498 km (0.064 R)
• M30: 41,004,776 km (0.084 R)
• M31: 42,289,224 km (0.108 R)
• M32: 50,563,332 km (0.085 R)
• M33: 59,649,009 km (0.096 R)
• M34: 60,881,696 km (0.115 R)
• M35: 70,673,924 km (0.111 R)
• M36: 71,361,625 km (0.076 R)
• M37: 72,517,867 km (0.092 R)
• M38: 72,750,641 km (0.113 R)
• M39: 75,582,230 km (0.073 R)
• M40: 79,966,195 km (0.051 R)
• M41: 81,967,965 km (0.1 R)
• M42: 87,380,715 km (0.051 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 17,765 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit