🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.7

Radius: 8.7

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.44 AU - 0.6 AU

Year: 254 Days

Day: 12.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 58,671,287 km

• M1: 110,852 km (0.054 R)
• M2: 395,088 km (0.053 R)
• M3: 713,432 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.3

Radius: 8.7

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.9 AU - 1.38 AU

Year: 826 Days

Day: 9 Hours

Environment

Temp: -180 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,671,287 km

• M1: 108,458 km (0.095 R)
• M2: 493,523 km (0.097 R)
• M3: 808,876 km (0.042 R)
• M4: 1,174,642 km (0.1 R)
• M5: 1,457,682 km (0.117 R)
• M6: 1,858,454 km (0.102 R)
• M7: 2,529,251 km (0.056 R)
• M8: 3,619,969 km (0.071 R)
• M9: 4,009,223 km (0.102 R)
• M10: 4,492,873 km (0.083 R)
• M11: 5,833,419 km (0.119 R)
• M12: 6,433,905 km (0.084 R)
• M13: 7,166,486 km (0.102 R)
• M14: 7,469,870 km (0.108 R)
• M15: 8,003,037 km (0.106 R)
• M16: 9,064,135 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.1

Radius: 12.7

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.33 AU - 1.35 AU

Year: 1052 Days

Day: 11.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,671,287 km

• M1: 157,975 km (0.085 R)
• M2: 679,025 km (0.12 R)
• M3: 1,135,298 km (0.119 R)
• M4: 1,874,461 km (0.07 R)
• M5: 2,656,709 km (0.067 R)
• M6: 3,164,294 km (0.09 R)
• M7: 3,766,874 km (0.053 R)
• M8: 4,777,707 km (0.091 R)
• M9: 5,653,603 km (0.047 R)
• M10: 6,499,878 km (0.084 R)
• M11: 8,053,302 km (0.084 R)
• M12: 9,265,195 km (0.096 R)
• M13: 10,048,788 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.2

Radius: 14.6

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.34 AU - 1.64 AU

Year: 1234 Days

Day: 7.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,671,287 km

• M1: 181,612 km (0.109 R)
• M2: 647,310 km (0.105 R)
• M3: 1,287,888 km (0.082 R)
• M4: 1,757,925 km (0.095 R)
• M5: 2,267,605 km (0.097 R)
• M6: 3,049,104 km (0.099 R)
• M7: 4,054,252 km (0.07 R)
• M8: 5,152,300 km (0.102 R)
• M9: 6,105,388 km (0.12 R)
• M10: 7,027,061 km (0.068 R)
• M11: 7,934,073 km (0.102 R)
• M12: 8,498,505 km (0.093 R)
• M13: 9,003,548 km (0.068 R)
• M14: 9,648,165 km (0.112 R)
• M15: 10,512,990 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.2

Radius: 10.7

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.02 AU - 4.4 AU

Year: 4847 Days

Day: 8 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,671,287 km

• M1: 135,536 km (0.072 R)
• M2: 477,516 km (0.096 R)
• M3: 941,868 km (0.1 R)
• M4: 1,850,376 km (0.099 R)
• M5: 2,198,191 km (0.088 R)
• M6: 2,993,304 km (0.082 R)
• M7: 4,256,059 km (0.098 R)
• M8: 4,870,009 km (0.1 R)
• M9: 6,363,445 km (0.033 R)
• M10: 8,176,870 km (0.108 R)
• M11: 8,789,922 km (0.076 R)
• M12: 9,240,810 km (0.082 R)
• M13: 9,589,074 km (0.083 R)
• M14: 10,229,951 km (0.114 R)
• M15: 10,899,102 km (0.099 R)
• M16: 11,821,523 km (0.103 R)
• M17: 13,821,198 km (0.112 R)
• M18: 16,825,422 km (0.065 R)
• M19: 19,472,257 km (0.109 R)
• M20: 19,981,788 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.8

Radius: 10.8

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.1 AU - 5.3 AU

Year: 8043 Days

Day: 7 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,671,287 km

• M1: 134,339 km (0.086 R)
• M2: 542,891 km (0.108 R)
• M3: 1,294,470 km (0.042 R)
• M4: 1,654,852 km (0.083 R)
• M5: 2,069,687 km (0.05 R)
• M6: 3,025,767 km (0.111 R)
• M7: 5,017,513 km (0.117 R)
• M8: 7,341,665 km (0.098 R)
• M9: 9,835,162 km (0.098 R)
• M10: 15,883,255 km (0.026 R)
• M11: 16,477,906 km (0.033 R)
• M12: 20,742,942 km (0.077 R)
• M13: 21,258,007 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.8

Radius: 4

Gravity: 32.3 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 8.27 AU - 10.43 AU

Year: 19391 Days

Day: 22.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,671,287 km

• M1: 49,816 km (0.119 R)
• M2: 182,210 km (0.114 R)
• M3: 332,706 km (0.067 R)
• M4: 486,043 km (0.087 R)
• M5: 1,227,750 km (0.092 R)
• M6: 2,981,934 km (0.06 R)
• M7: 3,456,459 km (0.111 R)
• M8: 4,966,500 km (0.072 R)
• M9: 5,944,571 km (0.105 R)
• M10: 6,146,528 km (0.098 R)
• M11: 7,642,656 km (0.082 R)
• M12: 8,678,920 km (0.103 R)
• M13: 11,025,961 km (0.08 R)
• M14: 11,516,493 km (0.05 R)
• M15: 12,214,517 km (0.111 R)
• M16: 12,606,912 km (0.104 R)
• M17: 13,485,799 km (0.11 R)
• M18: 17,004,341 km (0.114 R)
• M19: 17,247,587 km (0.074 R)
• M20: 18,414,152 km (0.055 R)
• M21: 20,443,147 km (0.11 R)
• M22: 28,655,173 km (0.115 R)
• M23: 32,975,260 km (0.12 R)
• M24: 35,685,375 km (0.087 R)
• M25: 40,094,922 km (0.096 R)
• M26: 42,133,193 km (0.109 R)
• M27: 53,714,611 km (0.068 R)
• M28: 55,119,036 km (0.072 R)
• M29: 57,818,081 km (0.054 R)
• M30: 58,921,814 km (0.103 R)
• M31: 60,039,609 km (0.117 R)
• M32: 63,867,669 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.5

Radius: 3

Gravity: 35.17 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 7.19 AU - 11.85 AU

Year: 19923 Days

Day: 18.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 58,671,287 km

• M1: 37,848 km (0.08 R)
• M2: 154,535 km (0.064 R)
• M3: 499,358 km (0.098 R)
• M4: 798,254 km (0.1 R)
• M5: 986,897 km (0.09 R)
• M6: 1,542,653 km (0.114 R)
• M7: 1,940,733 km (0.113 R)
• M8: 2,638,458 km (0.085 R)
• M9: 2,983,281 km (0.101 R)
• M10: 3,383,305 km (0.102 R)
• M11: 3,569,256 km (0.089 R)
• M12: 4,137,877 km (0.095 R)
• M13: 4,288,971 km (0.062 R)
• M14: 4,634,392 km (0.095 R)
• M15: 4,797,305 km (0.063 R)
• M16: 5,451,945 km (0.112 R)
• M17: 5,856,906 km (0.092 R)
• M18: 9,015,964 km (0.11 R)
• M19: 9,633,804 km (0.117 R)
• M20: 10,224,416 km (0.102 R)
• M21: 12,326,117 km (0.107 R)
• M22: 15,121,502 km (0.052 R)
• M23: 15,552,344 km (0.08 R)
• M24: 15,991,414 km (0.104 R)
• M25: 17,202,708 km (0.067 R)
• M26: 20,495,507 km (0.077 R)
• M27: 22,013,626 km (0.109 R)
• M28: 22,474,088 km (0.07 R)
• M29: 23,893,622 km (0.112 R)
• M30: 26,701,425 km (0.1 R)
• M31: 29,276,752 km (0.074 R)
• M32: 31,429,166 km (0.116 R)
• M33: 35,918,898 km (0.065 R)
• M34: 37,462,000 km (0.091 R)
• M35: 46,443,407 km (0.081 R)
• M36: 46,594,052 km (0.082 R)
• M37: 49,049,252 km (0.084 R)
• M38: 49,518,990 km (0.089 R)
• M39: 51,267,190 km (0.069 R)
• M40: 52,891,674 km (0.11 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 17,328 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit