🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.4

Radius: 8

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.56 AU - 0.78 AU

Year: 372 Days

Day: 13.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 156.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,553,852 km

• M1: 99,483 km (0.115 R)
• M2: 533,616 km (0.053 R)
• M3: 876,644 km (0.086 R)
• M4: 1,304,643 km (0.103 R)
• M5: 1,570,628 km (0.066 R)
• M6: 1,944,174 km (0.071 R)
• M7: 2,207,017 km (0.107 R)
• M8: 2,502,174 km (0.104 R)
• M9: 3,182,844 km (0.117 R)
• M10: 3,453,168 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.9

Radius: 12.2

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.15 AU - 1.65 AU

Year: 1124 Days

Day: 6.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,553,852 km

• M1: 152,889 km (0.092 R)
• M2: 553,213 km (0.118 R)
• M3: 946,207 km (0.052 R)
• M4: 1,428,211 km (0.086 R)
• M5: 2,021,067 km (0.06 R)
• M6: 2,483,624 km (0.082 R)
• M7: 2,947,976 km (0.12 R)
• M8: 3,500,889 km (0.115 R)
• M9: 4,156,876 km (0.113 R)
• M10: 4,588,915 km (0.105 R)
• M11: 5,191,495 km (0.112 R)
• M12: 5,802,303 km (0.094 R)
• M13: 7,712,369 km (0.1 R)
• M14: 9,329,671 km (0.078 R)
• M15: 9,979,076 km (0.097 R)
• M16: 10,526,753 km (0.044 R)
• M17: 11,788,163 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.5

Radius: 14.3

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.89 AU - 2.53 AU

Year: 2228 Days

Day: 10.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,553,852 km

• M1: 177,872 km (0.089 R)
• M2: 781,499 km (0.115 R)
• M3: 1,838,558 km (0.108 R)
• M4: 2,335,073 km (0.063 R)
• M5: 3,202,741 km (0.093 R)
• M6: 5,321,795 km (0.034 R)
• M7: 6,321,856 km (0.116 R)
• M8: 7,243,529 km (0.032 R)
• M9: 8,315,098 km (0.084 R)
• M10: 9,940,330 km (0.067 R)
• M11: 10,661,391 km (0.05 R)
• M12: 11,847,852 km (0.087 R)
• M13: 12,867,362 km (0.085 R)
• M14: 13,900,485 km (0.085 R)
• M15: 14,392,063 km (0.087 R)
• M16: 17,077,794 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.7

Radius: 11.1

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.12 AU - 3.14 AU

Year: 2893 Days

Day: 12 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,553,852 km

• M1: 138,079 km (0.047 R)
• M2: 532,269 km (0.101 R)
• M3: 977,772 km (0.064 R)
• M4: 1,594,863 km (0.089 R)
• M5: 2,890,231 km (0.059 R)
• M6: 3,472,615 km (0.114 R)
• M7: 3,927,542 km (0.108 R)
• M8: 4,284,932 km (0.117 R)
• M9: 4,936,431 km (0.115 R)
• M10: 5,308,780 km (0.09 R)
• M11: 6,411,615 km (0.056 R)
• M12: 7,071,940 km (0.036 R)
• M13: 9,426,611 km (0.118 R)
• M14: 9,864,633 km (0.073 R)
• M15: 11,000,829 km (0.118 R)
• M16: 11,639,014 km (0.096 R)
• M17: 12,501,146 km (0.108 R)
• M18: 12,947,995 km (0.08 R)
• M19: 14,352,719 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.6

Radius: 8.8

Gravity: 12.17 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.27 AU - 3.35 AU

Year: 4084 Days

Day: 7.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,553,852 km

• M1: 109,655 km (0.102 R)
• M2: 544,686 km (0.055 R)
• M3: 1,189,153 km (0.113 R)
• M4: 2,418,100 km (0.118 R)
• M5: 4,150,144 km (0.116 R)
• M6: 6,023,558 km (0.083 R)
• M7: 6,713,803 km (0.109 R)
• M8: 8,288,620 km (0.036 R)
• M9: 8,592,453 km (0.117 R)
• M10: 9,303,492 km (0.114 R)
• M11: 10,932,612 km (0.08 R)
• M12: 12,793,760 km (0.098 R)
• M13: 13,097,742 km (0.107 R)
• M14: 14,308,139 km (0.066 R)
• M15: 15,764,175 km (0.07 R)
• M16: 19,630,981 km (0.104 R)
• M17: 20,171,926 km (0.072 R)
• M18: 21,639,332 km (0.071 R)
• M19: 24,395,822 km (0.112 R)
• M20: 24,785,375 km (0.116 R)
• M21: 25,497,162 km (0.102 R)
• M22: 26,713,692 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.1

Radius: 14.9

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.41 AU - 4.99 AU

Year: 6911 Days

Day: 5.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,553,852 km

• M1: 185,501 km (0.051 R)
• M2: 785,987 km (0.047 R)
• M3: 1,301,801 km (0.104 R)
• M4: 2,111,724 km (0.104 R)
• M5: 2,677,951 km (0.037 R)
• M6: 3,345,756 km (0.113 R)
• M7: 3,953,722 km (0.097 R)
• M8: 4,451,135 km (0.085 R)
• M9: 6,432,858 km (0.115 R)
• M10: 7,125,047 km (0.116 R)
• M11: 9,245,448 km (0.115 R)
• M12: 9,992,839 km (0.115 R)
• M13: 11,164,788 km (0.073 R)
• M14: 12,584,322 km (0.088 R)
• M15: 13,228,192 km (0.098 R)
• M16: 14,875,713 km (0.119 R)
• M17: 15,474,404 km (0.098 R)
• M18: 17,041,890 km (0.082 R)
• M19: 18,713,048 km (0.117 R)
• M20: 19,340,611 km (0.062 R)
• M21: 20,126,748 km (0.068 R)
• M22: 24,712,521 km (0.102 R)
• M23: 26,239,616 km (0.081 R)
• M24: 31,101,846 km (0.091 R)
• M25: 35,358,205 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.6

Radius: 6.9

Gravity: 17.19 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.33 AU - 8.35 AU

Year: 16336 Days

Day: 20.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,553,852 km

• M1: 85,869 km (0.11 R)
• M2: 323,580 km (0.074 R)
• M3: 1,295,966 km (0.065 R)
• M4: 2,438,445 km (0.113 R)
• M5: 2,735,098 km (0.067 R)
• M6: 3,655,274 km (0.071 R)
• M7: 5,049,975 km (0.075 R)
• M8: 5,649,564 km (0.104 R)
• M9: 6,253,789 km (0.052 R)
• M10: 6,550,143 km (0.062 R)
• M11: 7,170,974 km (0.085 R)
• M12: 9,107,369 km (0.092 R)
• M13: 10,696,098 km (0.058 R)
• M14: 13,136,039 km (0.115 R)
• M15: 14,484,963 km (0.072 R)
• M16: 15,230,858 km (0.099 R)
• M17: 15,613,380 km (0.109 R)
• M18: 16,238,550 km (0.026 R)
• M19: 16,477,308 km (0.093 R)
• M20: 20,529,765 km (0.083 R)
• M21: 23,844,405 km (0.08 R)
• M22: 28,757,049 km (0.113 R)
• M23: 33,526,528 km (0.104 R)
• M24: 34,961,471 km (0.034 R)
• M25: 36,165,435 km (0.074 R)
• M26: 39,224,562 km (0.061 R)
• M27: 41,258,644 km (0.069 R)
• M28: 43,668,217 km (0.056 R)
• M29: 44,907,486 km (0.106 R)
• M30: 45,535,797 km (0.062 R)
• M31: 46,169,942 km (0.057 R)
• M32: 56,220,525 km (0.042 R)
• M33: 57,871,487 km (0.107 R)
• M34: 59,365,821 km (0.091 R)
• M35: 59,743,406 km (0.104 R)
• M36: 61,848,696 km (0.11 R)
• M37: 65,600,910 km (0.096 R)
• M38: 67,635,441 km (0.118 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: 212 - 14,767 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit