🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219

Radius: 12.2

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.62 AU - 0.88 AU

Year: 413 Days

Day: 9 Hours

Environment

Temp: -136 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,342,860 km

• M1: 151,842 km (0.053 R)
• M2: 583,880 km (0.119 R)
• M3: 989,440 km (0.103 R)
• M4: 1,521,859 km (0.099 R)
• M5: 1,931,159 km (0.058 R)
• M6: 3,044,765 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.5

Radius: 13.7

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.59 AU - 0.99 AU

Year: 446 Days

Day: 8.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 58,342,860 km

• M1: 173,384 km (0.107 R)
• M2: 724,802 km (0.12 R)
• M3: 1,168,210 km (0.115 R)
• M4: 1,754,783 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.3

Radius: 9.6

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.77 AU - 1.13 AU

Year: 589 Days

Day: 7.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,342,860 km

• M1: 119,678 km (0.116 R)
• M2: 648,208 km (0.112 R)
• M3: 1,058,255 km (0.114 R)
• M4: 1,415,196 km (0.117 R)
• M5: 1,714,691 km (0.112 R)
• M6: 2,229,457 km (0.074 R)
• M7: 3,022,475 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.2

Radius: 12.7

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.36 AU - 1.8 AU

Year: 1263 Days

Day: 11.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,342,860 km

• M1: 157,975 km (0.064 R)
• M2: 670,946 km (0.106 R)
• M3: 1,322,744 km (0.12 R)
• M4: 1,980,077 km (0.086 R)
• M5: 2,691,266 km (0.1 R)
• M6: 3,339,174 km (0.08 R)
• M7: 4,021,041 km (0.047 R)
• M8: 4,928,801 km (0.084 R)
• M9: 6,423,583 km (0.108 R)
• M10: 7,049,650 km (0.11 R)
• M11: 8,823,282 km (0.107 R)
• M12: 9,690,202 km (0.031 R)
• M13: 10,096,959 km (0.066 R)
• M14: 11,113,027 km (0.072 R)
• M15: 12,088,256 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261

Radius: 12.1

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.13 AU - 2.73 AU

Year: 2408 Days

Day: 5.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,342,860 km

• M1: 150,645 km (0.089 R)
• M2: 582,235 km (0.074 R)
• M3: 1,291,329 km (0.112 R)
• M4: 1,935,796 km (0.063 R)
• M5: 2,827,101 km (0.107 R)
• M6: 3,320,474 km (0.054 R)
• M7: 4,044,528 km (0.045 R)
• M8: 4,425,703 km (0.096 R)
• M9: 6,859,062 km (0.089 R)
• M10: 7,245,474 km (0.086 R)
• M11: 7,811,103 km (0.067 R)
• M12: 9,944,369 km (0.064 R)
• M13: 10,711,956 km (0.057 R)
• M14: 11,339,967 km (0.106 R)
• M15: 12,103,365 km (0.092 R)
• M16: 12,862,126 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.6

Radius: 12.5

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.04 AU - 4.66 AU

Year: 5769 Days

Day: 8.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 96.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,342,860 km

• M1: 155,582 km (0.04 R)
• M2: 760,855 km (0.06 R)
• M3: 1,172,099 km (0.104 R)
• M4: 1,685,818 km (0.099 R)
• M5: 2,548,250 km (0.05 R)
• M6: 3,363,110 km (0.057 R)
• M7: 3,935,621 km (0.081 R)
• M8: 4,572,609 km (0.102 R)
• M9: 5,053,117 km (0.097 R)
• M10: 5,867,976 km (0.082 R)
• M11: 8,762,695 km (0.031 R)
• M12: 9,422,422 km (0.025 R)
• M13: 11,456,654 km (0.078 R)
• M14: 12,809,467 km (0.099 R)
• M15: 13,230,136 km (0.115 R)
• M16: 16,623,166 km (0.11 R)
• M17: 17,570,569 km (0.056 R)
• M18: 20,202,444 km (0.114 R)
• M19: 26,319,801 km (0.085 R)
• M20: 28,132,478 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 560.3

Radius: 5

Gravity: 22.41 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.17 AU - 9.17 AU

Year: 14848 Days

Day: 15.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,342,860 km

• M1: 62,382 km (0.078 R)
• M2: 258,804 km (0.061 R)
• M3: 542,591 km (0.108 R)
• M4: 1,074,711 km (0.078 R)
• M5: 1,327,831 km (0.107 R)
• M6: 2,604,050 km (0.051 R)
• M7: 3,086,653 km (0.111 R)
• M8: 3,285,468 km (0.053 R)
• M9: 5,197,928 km (0.114 R)
• M10: 5,479,920 km (0.094 R)
• M11: 5,661,382 km (0.069 R)
• M12: 7,838,779 km (0.09 R)
• M13: 12,713,874 km (0.08 R)
• M14: 12,904,312 km (0.113 R)
• M15: 16,215,661 km (0.084 R)
• M16: 17,124,169 km (0.103 R)
• M17: 18,876,858 km (0.038 R)
• M18: 21,815,259 km (0.116 R)
• M19: 22,088,425 km (0.088 R)
• M20: 23,583,356 km (0.044 R)
• M21: 26,359,444 km (0.111 R)
• M22: 26,565,739 km (0.097 R)
• M23: 28,906,049 km (0.075 R)
• M24: 32,078,870 km (0.1 R)
• M25: 33,026,273 km (0.113 R)
• M26: 33,748,980 km (0.092 R)
• M27: 40,050,192 km (0.101 R)
• M28: 40,596,823 km (0.034 R)
• M29: 43,117,846 km (0.075 R)
• M30: 44,416,655 km (0.117 R)
• M31: 45,296,889 km (0.09 R)
• M32: 46,488,436 km (0.073 R)
• M33: 57,127,537 km (0.097 R)
• M34: 57,300,024 km (0.025 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 14,589 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit