🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.8

Radius: 13.3

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.59 AU - 0.65 AU

Year: 331 Days

Day: 6.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,165,324 km

• M1: 165,754 km (0.06 R)
• M2: 718,519 km (0.065 R)
• M3: 1,191,996 km (0.111 R)
• M4: 1,679,535 km (0.041 R)
• M5: 2,286,603 km (0.109 R)
• M6: 2,966,675 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.3

Radius: 12.1

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.61 AU - 2.07 AU

Year: 1693 Days

Day: 12 Hours

Environment

Temp: -195 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,165,324 km

• M1: 150,495 km (0.114 R)
• M2: 538,403 km (0.06 R)
• M3: 915,988 km (0.07 R)
• M4: 2,189,963 km (0.119 R)
• M5: 2,812,739 km (0.057 R)
• M6: 3,584,963 km (0.041 R)
• M7: 4,635,290 km (0.114 R)
• M8: 5,412,451 km (0.116 R)
• M9: 6,452,455 km (0.032 R)
• M10: 9,217,024 km (0.069 R)
• M11: 10,304,002 km (0.089 R)
• M12: 11,626,747 km (0.049 R)
• M13: 13,733,085 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.3

Radius: 8.6

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.91 AU - 2.05 AU

Year: 1890 Days

Day: 6.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,165,324 km

• M1: 106,962 km (0.104 R)
• M2: 447,298 km (0.1 R)
• M3: 741,557 km (0.032 R)
• M4: 1,076,656 km (0.117 R)
• M5: 1,391,260 km (0.112 R)
• M6: 1,945,520 km (0.047 R)
• M7: 2,352,277 km (0.115 R)
• M8: 2,951,416 km (0.063 R)
• M9: 3,756,702 km (0.083 R)
• M10: 4,596,095 km (0.117 R)
• M11: 5,004,498 km (0.093 R)
• M12: 5,344,085 km (0.103 R)
• M13: 5,698,781 km (0.118 R)
• M14: 6,019,070 km (0.072 R)
• M15: 6,351,178 km (0.097 R)
• M16: 8,672,488 km (0.12 R)
• M17: 9,741,963 km (0.067 R)
• M18: 10,308,490 km (0.091 R)
• M19: 13,476,823 km (0.054 R)
• M20: 14,359,900 km (0.081 R)
• M21: 15,281,123 km (0.11 R)
• M22: 16,046,167 km (0.055 R)
• M23: 16,388,746 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.4

Radius: 12.5

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.18 AU - 2.34 AU

Year: 2304 Days

Day: 9.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,165,324 km

• M1: 155,432 km (0.072 R)
• M2: 549,922 km (0.116 R)
• M3: 2,185,774 km (0.083 R)
• M4: 6,951,065 km (0.03 R)
• M5: 8,246,583 km (0.104 R)
• M6: 8,968,692 km (0.088 R)
• M7: 10,021,113 km (0.105 R)
• M8: 11,193,212 km (0.086 R)
• M9: 12,037,692 km (0.114 R)
• M10: 16,095,833 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.5

Radius: 8.9

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.99 AU - 4.89 AU

Year: 5304 Days

Day: 12.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,165,324 km

• M1: 110,702 km (0.054 R)
• M2: 424,409 km (0.089 R)
• M3: 791,373 km (0.105 R)
• M4: 1,209,349 km (0.044 R)
• M5: 1,689,409 km (0.102 R)
• M6: 2,249,653 km (0.086 R)
• M7: 3,818,785 km (0.078 R)
• M8: 4,528,477 km (0.103 R)
• M9: 4,999,860 km (0.074 R)
• M10: 7,764,429 km (0.096 R)
• M11: 9,755,277 km (0.079 R)
• M12: 10,909,874 km (0.115 R)
• M13: 11,757,495 km (0.096 R)
• M14: 12,331,652 km (0.106 R)
• M15: 15,226,819 km (0.082 R)
• M16: 17,675,138 km (0.101 R)
• M17: 18,020,260 km (0.074 R)
• M18: 18,487,454 km (0.084 R)
• M19: 19,203,280 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.6

Radius: 7.5

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.09 AU - 7.95 AU

Year: 11292 Days

Day: 15.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,165,324 km

• M1: 93,499 km (0.108 R)
• M2: 361,129 km (0.085 R)
• M3: 932,144 km (0.106 R)
• M4: 1,223,262 km (0.074 R)
• M5: 1,538,016 km (0.031 R)
• M6: 2,482,726 km (0.09 R)
• M7: 3,109,691 km (0.1 R)
• M8: 3,930,385 km (0.026 R)
• M9: 4,860,734 km (0.099 R)
• M10: 7,010,306 km (0.119 R)
• M11: 7,614,980 km (0.104 R)
• M12: 7,873,934 km (0.109 R)
• M13: 10,029,640 km (0.029 R)
• M14: 10,983,326 km (0.071 R)
• M15: 11,946,437 km (0.09 R)
• M16: 12,653,437 km (0.067 R)
• M17: 16,798,345 km (0.05 R)
• M18: 17,814,414 km (0.072 R)
• M19: 18,602,944 km (0.105 R)
• M20: 22,516,724 km (0.081 R)
• M21: 23,515,888 km (0.109 R)
• M22: 26,185,013 km (0.106 R)
• M23: 29,410,343 km (0.087 R)
• M24: 30,883,583 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.1

Radius: 6.7

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 8.31 AU - 8.43 AU

Year: 16424 Days

Day: 18.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,165,324 km

• M1: 83,326 km (0.082 R)
• M2: 308,321 km (0.037 R)
• M3: 828,922 km (0.087 R)
• M4: 1,267,244 km (0.092 R)
• M5: 1,648,718 km (0.108 R)
• M6: 2,175,901 km (0.088 R)
• M7: 3,312,695 km (0.034 R)
• M8: 3,927,842 km (0.065 R)
• M9: 4,800,895 km (0.108 R)
• M10: 6,047,793 km (0.099 R)
• M11: 6,610,132 km (0.112 R)
• M12: 7,004,023 km (0.111 R)
• M13: 7,752,461 km (0.079 R)
• M14: 8,878,484 km (0.069 R)
• M15: 10,686,075 km (0.09 R)
• M16: 11,339,519 km (0.046 R)
• M17: 14,092,568 km (0.067 R)
• M18: 16,040,033 km (0.104 R)
• M19: 19,247,561 km (0.119 R)
• M20: 20,708,684 km (0.113 R)
• M21: 21,043,035 km (0.115 R)
• M22: 22,681,132 km (0.104 R)
• M23: 23,486,118 km (0.11 R)
• M24: 24,588,654 km (0.111 R)
• M25: 26,797,616 km (0.07 R)
• M26: 27,798,127 km (0.064 R)
• M27: 32,049,549 km (0.099 R)
• M28: 41,020,335 km (0.11 R)
• M29: 44,116,262 km (0.096 R)
• M30: 46,788,529 km (0.06 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 16,251 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit