🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.2

Radius: 11.2

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.57 AU - 0.61 AU

Year: 302 Days

Day: 5.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,319,430 km

• M1: 139,276 km (0.075 R)
• M2: 671,096 km (0.053 R)
• M3: 1,096,852 km (0.106 R)
• M4: 1,501,215 km (0.119 R)
• M5: 1,850,825 km (0.094 R)
• M6: 2,208,663 km (0.06 R)
• M7: 2,604,499 km (0.115 R)
• M8: 3,196,458 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.9

Radius: 10.3

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.81 AU - 0.89 AU

Year: 523 Days

Day: 11.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,319,430 km

• M1: 128,056 km (0.114 R)
• M2: 597,494 km (0.113 R)
• M3: 1,252,733 km (0.082 R)
• M4: 1,815,819 km (0.083 R)
• M5: 2,531,196 km (0.038 R)
• M6: 2,915,962 km (0.091 R)
• M7: 3,964,344 km (0.056 R)
• M8: 4,383,966 km (0.09 R)
• M9: 4,864,175 km (0.104 R)
• M10: 5,771,635 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.9

Radius: 12.8

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.03 AU - 1.67 AU

Year: 1046 Days

Day: 13.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 133.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,319,430 km

• M1: 159,771 km (0.056 R)
• M2: 565,031 km (0.112 R)
• M3: 1,162,525 km (0.053 R)
• M4: 2,549,297 km (0.045 R)
• M5: 3,001,831 km (0.117 R)
• M6: 3,877,128 km (0.097 R)
• M7: 4,427,349 km (0.096 R)
• M8: 7,691,425 km (0.102 R)
• M9: 8,536,354 km (0.119 R)
• M10: 9,888,569 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.2

Radius: 10.7

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.44 AU - 2.08 AU

Year: 1557 Days

Day: 7.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,319,430 km

• M1: 133,441 km (0.087 R)
• M2: 476,918 km (0.113 R)
• M3: 1,256,921 km (0.05 R)
• M4: 1,701,526 km (0.098 R)
• M5: 2,189,215 km (0.084 R)
• M6: 2,711,910 km (0.073 R)
• M7: 4,468,788 km (0.107 R)
• M8: 5,495,179 km (0.107 R)
• M9: 5,942,476 km (0.098 R)
• M10: 6,287,599 km (0.086 R)
• M11: 8,370,300 km (0.087 R)
• M12: 9,651,905 km (0.104 R)
• M13: 10,552,484 km (0.106 R)
• M14: 11,698,254 km (0.106 R)
• M15: 12,762,045 km (0.104 R)
• M16: 13,255,119 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533

Radius: 14.7

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.37 AU - 2.69 AU

Year: 2684 Days

Day: 10.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,319,430 km

• M1: 183,407 km (0.1 R)
• M2: 974,780 km (0.105 R)
• M3: 1,499,569 km (0.061 R)
• M4: 1,985,164 km (0.109 R)
• M5: 2,605,845 km (0.035 R)
• M6: 3,581,373 km (0.072 R)
• M7: 4,489,881 km (0.1 R)
• M8: 5,547,239 km (0.082 R)
• M9: 6,491,949 km (0.086 R)
• M10: 7,721,943 km (0.095 R)
• M11: 8,833,605 km (0.063 R)
• M12: 11,374,375 km (0.039 R)
• M13: 12,855,693 km (0.087 R)
• M14: 15,362,205 km (0.091 R)
• M15: 17,590,166 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63.6

Radius: 3.3

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.68 AU - 6.82 AU

Year: 9195 Days

Day: 22.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,319,430 km

• M1: 41,439 km (0.115 R)
• M2: 150,795 km (0.085 R)
• M3: 342,280 km (0.092 R)
• M4: 911,649 km (0.105 R)
• M5: 1,121,086 km (0.057 R)
• M6: 1,995,935 km (0.101 R)
• M7: 2,495,292 km (0.087 R)
• M8: 2,742,129 km (0.098 R)
• M9: 3,356,677 km (0.09 R)
• M10: 4,509,628 km (0.102 R)
• M11: 5,138,238 km (0.116 R)
• M12: 13,435,684 km (0.111 R)
• M13: 16,251,714 km (0.029 R)
• M14: 16,622,418 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.8

Radius: 5.4

Gravity: 23.04 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 6.78 AU - 8.88 AU

Year: 14611 Days

Day: 15.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 61,319,430 km

• M1: 100,979 km (0.047 R)
• M2: 362,775 km (0.059 R)
• M3: 626,366 km (0.091 R)
• M4: 1,354,908 km (0.092 R)
• M5: 1,623,735 km (0.044 R)
• M6: 1,963,472 km (0.073 R)
• M7: 2,308,594 km (0.052 R)
• M8: 3,454,813 km (0.107 R)
• M9: 3,785,125 km (0.098 R)
• M10: 4,288,672 km (0.06 R)
• M11: 4,605,221 km (0.077 R)
• M12: 4,802,540 km (0.079 R)
• M13: 5,284,844 km (0.108 R)
• M14: 7,011,951 km (0.071 R)
• M15: 8,531,567 km (0.063 R)
• M16: 8,729,485 km (0.114 R)
• M17: 12,204,643 km (0.079 R)
• M18: 13,034,762 km (0.057 R)
• M19: 13,497,169 km (0.055 R)
• M20: 14,594,768 km (0.069 R)
• M21: 14,878,256 km (0.094 R)
• M22: 15,093,228 km (0.117 R)
• M23: 16,579,932 km (0.041 R)
• M24: 17,201,062 km (0.106 R)
• M25: 19,072,981 km (0.082 R)
• M26: 22,362,638 km (0.1 R)
• M27: 23,700,043 km (0.034 R)
• M28: 26,219,271 km (0.086 R)
• M29: 27,597,366 km (0.112 R)
• M30: 30,496,872 km (0.105 R)
• M31: 34,087,371 km (0.034 R)
• M32: 35,344,143 km (0.04 R)
• M33: 35,983,973 km (0.11 R)
• M34: 40,820,621 km (0.051 R)
• M35: 44,869,039 km (0.053 R)
• M36: 45,921,460 km (0.044 R)
• M37: 48,545,407 km (0.085 R)
• M38: 49,494,904 km (0.073 R)
• M39: 50,618,235 km (0.089 R)
• M40: 55,281,649 km (0.053 R)
• M41: 56,317,016 km (0.104 R)
• M42: 58,961,458 km (0.111 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: 495 - 15,026 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit