🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.4

Radius: 11.5

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.62 AU - 0.78 AU

Year: 378 Days

Day: 8.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,669,447 km

• M1: 143,016 km (0.1 R)
• M2: 502,350 km (0.058 R)
• M3: 865,573 km (0.057 R)
• M4: 1,264,252 km (0.099 R)
• M5: 1,632,711 km (0.085 R)
• M6: 2,012,989 km (0.107 R)
• M7: 2,435,453 km (0.104 R)
• M8: 3,139,910 km (0.081 R)
• M9: 3,939,211 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.3

Radius: 13.4

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.23 AU - 1.91 AU

Year: 1270 Days

Day: 7.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 51.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,669,447 km

• M1: 166,802 km (0.113 R)
• M2: 601,832 km (0.076 R)
• M3: 1,043,296 km (0.09 R)
• M4: 1,889,870 km (0.113 R)
• M5: 2,546,455 km (0.113 R)
• M6: 3,875,931 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.3

Radius: 9.7

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.27 AU - 2.91 AU

Year: 2691 Days

Day: 5.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,669,447 km

• M1: 120,725 km (0.073 R)
• M2: 547,678 km (0.091 R)
• M3: 1,331,720 km (0.115 R)
• M4: 1,655,151 km (0.074 R)
• M5: 1,958,984 km (0.083 R)
• M6: 2,423,186 km (0.104 R)
• M7: 2,726,870 km (0.099 R)
• M8: 4,352,251 km (0.079 R)
• M9: 4,984,900 km (0.098 R)
• M10: 6,963,781 km (0.065 R)
• M11: 9,104,526 km (0.071 R)
• M12: 12,652,838 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.1

Radius: 12.9

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.38 AU - 4.14 AU

Year: 4708 Days

Day: 10.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,669,447 km

• M1: 166,054 km (0.087 R)
• M2: 592,557 km (0.109 R)
• M3: 1,165,367 km (0.097 R)
• M4: 1,858,454 km (0.081 R)
• M5: 2,669,724 km (0.117 R)
• M6: 3,157,861 km (0.045 R)
• M7: 3,750,119 km (0.071 R)
• M8: 4,390,548 km (0.041 R)
• M9: 5,299,953 km (0.105 R)
• M10: 6,045,848 km (0.057 R)
• M11: 6,526,207 km (0.063 R)
• M12: 7,491,712 km (0.09 R)
• M13: 10,962,981 km (0.098 R)
• M14: 11,485,676 km (0.079 R)
• M15: 12,275,552 km (0.075 R)
• M16: 13,635,846 km (0.073 R)
• M17: 14,352,719 km (0.117 R)
• M18: 15,386,590 km (0.065 R)
• M19: 19,193,257 km (0.096 R)
• M20: 22,735,436 km (0.117 R)
• M21: 24,299,033 km (0.086 R)
• M22: 30,710,049 km (0.06 R)
• M23: 32,521,680 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889

Radius: 14.2

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.91 AU - 5.59 AU

Year: 6684 Days

Day: 6.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,669,447 km

• M1: 221,405 km (0.107 R)
• M2: 679,922 km (0.118 R)
• M3: 1,147,116 km (0.045 R)
• M4: 1,754,484 km (0.095 R)
• M5: 2,258,329 km (0.117 R)
• M6: 3,452,120 km (0.096 R)
• M7: 4,632,747 km (0.042 R)
• M8: 5,580,449 km (0.107 R)
• M9: 6,270,245 km (0.116 R)
• M10: 6,797,278 km (0.045 R)
• M11: 7,546,165 km (0.106 R)
• M12: 8,021,438 km (0.099 R)
• M13: 9,209,095 km (0.096 R)
• M14: 9,752,734 km (0.092 R)
• M15: 11,879,268 km (0.088 R)
• M16: 12,360,823 km (0.041 R)
• M17: 14,722,375 km (0.113 R)
• M18: 16,433,176 km (0.039 R)
• M19: 17,099,336 km (0.102 R)
• M20: 18,273,230 km (0.113 R)
• M21: 22,602,892 km (0.101 R)
• M22: 23,762,724 km (0.079 R)
• M23: 25,311,661 km (0.045 R)
• M24: 26,471,493 km (0.101 R)
• M25: 29,966,997 km (0.092 R)
• M26: 30,962,122 km (0.095 R)
• M27: 32,704,189 km (0.116 R)
• M28: 34,945,614 km (0.093 R)
• M29: 38,555,111 km (0.116 R)
• M30: 39,732,297 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.6

Radius: 13.7

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.99 AU - 5.57 AU

Year: 7834 Days

Day: 14.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,669,447 km

• M1: 170,392 km (0.053 R)
• M2: 1,055,114 km (0.096 R)
• M3: 4,134,736 km (0.056 R)
• M4: 4,579,340 km (0.077 R)
• M5: 5,376,547 km (0.047 R)
• M6: 7,334,335 km (0.105 R)
• M7: 8,395,283 km (0.114 R)
• M8: 9,906,521 km (0.092 R)
• M9: 10,633,716 km (0.105 R)
• M10: 11,240,934 km (0.106 R)
• M11: 12,818,294 km (0.08 R)
• M12: 14,630,971 km (0.117 R)
• M13: 17,636,243 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746.5

Radius: 6

Gravity: 20.74 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.35 AU - 9.69 AU

Year: 14665 Days

Day: 19 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,669,447 km

• M1: 75,248 km (0.102 R)
• M2: 433,235 km (0.086 R)
• M3: 1,470,697 km (0.114 R)
• M4: 1,707,211 km (0.059 R)
• M5: 2,217,639 km (0.097 R)
• M6: 3,428,185 km (0.114 R)
• M7: 5,455,086 km (0.066 R)
• M8: 6,264,710 km (0.109 R)
• M9: 6,761,824 km (0.101 R)
• M10: 7,329,847 km (0.114 R)
• M11: 8,023,981 km (0.105 R)
• M12: 9,329,671 km (0.089 R)
• M13: 10,256,280 km (0.079 R)
• M14: 14,367,978 km (0.106 R)
• M15: 15,976,305 km (0.082 R)
• M16: 18,441,079 km (0.037 R)
• M17: 21,148,352 km (0.093 R)
• M18: 22,739,924 km (0.107 R)
• M19: 24,409,585 km (0.091 R)
• M20: 25,740,408 km (0.102 R)
• M21: 30,022,049 km (0.116 R)
• M22: 31,191,754 km (0.076 R)
• M23: 32,757,446 km (0.065 R)
• M24: 33,126,055 km (0.106 R)
• M25: 34,882,783 km (0.09 R)
• M26: 35,138,745 km (0.11 R)
• M27: 37,633,140 km (0.099 R)
• M28: 41,663,905 km (0.117 R)
• M29: 42,386,761 km (0.116 R)
• M30: 46,280,944 km (0.115 R)
• M31: 47,056,160 km (0.065 R)
• M32: 53,913,427 km (0.111 R)
• M33: 58,295,597 km (0.09 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: 504 - 12,938 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit