🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.5

Radius: 12.4

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.47 AU - 0.63 AU

Year: 277 Days

Day: 8.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,205,958 km

• M1: 154,235 km (0.056 R)
• M2: 612,005 km (0.106 R)
• M3: 1,171,800 km (0.1 R)
• M4: 1,584,541 km (0.118 R)
• M5: 2,034,082 km (0.114 R)
• M6: 2,479,585 km (0.084 R)
• M7: 3,144,697 km (0.113 R)
• M8: 3,793,054 km (0.046 R)
• M9: 4,461,906 km (0.104 R)
• M10: 4,874,497 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.3

Radius: 11.1

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.55 AU - 0.57 AU

Year: 284 Days

Day: 6.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,205,958 km

• M1: 138,079 km (0.036 R)
• M2: 493,673 km (0.094 R)
• M3: 854,503 km (0.079 R)
• M4: 1,244,056 km (0.094 R)
• M5: 1,942,828 km (0.104 R)
• M6: 2,318,468 km (0.044 R)
• M7: 2,709,816 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.6

Radius: 9.2

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.7 AU - 1.08 AU

Year: 569 Days

Day: 10.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 84,205,958 km

• M1: 114,442 km (0.062 R)
• M2: 408,552 km (0.107 R)
• M3: 756,965 km (0.106 R)
• M4: 1,461,721 km (0.082 R)
• M5: 1,927,718 km (0.048 R)
• M6: 2,849,091 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.1

Radius: 9

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.84 AU - 0.94 AU

Year: 569 Days

Day: 14 Hours

Environment

Temp: -179 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,205,958 km

• M1: 111,899 km (0.072 R)
• M2: 427,401 km (0.114 R)
• M3: 779,405 km (0.118 R)
• M4: 1,086,081 km (0.075 R)
• M5: 1,370,915 km (0.114 R)
• M6: 1,758,673 km (0.085 R)
• M7: 2,595,523 km (0.119 R)
• M8: 4,178,867 km (0.077 R)
• M9: 4,862,679 km (0.055 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770.1

Radius: 4.5

Gravity: 38.03 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.99 AU - 6.95 AU

Year: 11162 Days

Day: 22.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 84,205,958 km

• M1: 56,548 km (0.027 R)
• M2: 219,310 km (0.075 R)
• M3: 478,115 km (0.042 R)
• M4: 778,208 km (0.06 R)
• M5: 1,349,074 km (0.1 R)
• M6: 1,652,009 km (0.085 R)
• M7: 2,372,772 km (0.086 R)
• M8: 2,639,804 km (0.11 R)
• M9: 3,940,857 km (0.11 R)
• M10: 4,285,979 km (0.096 R)
• M11: 4,808,973 km (0.117 R)
• M12: 5,270,782 km (0.104 R)
• M13: 6,055,273 km (0.081 R)
• M14: 6,514,688 km (0.114 R)
• M15: 7,459,399 km (0.071 R)
• M16: 8,969,589 km (0.104 R)
• M17: 9,977,729 km (0.095 R)
• M18: 11,059,172 km (0.119 R)
• M19: 11,227,919 km (0.113 R)
• M20: 11,512,903 km (0.096 R)
• M21: 12,156,772 km (0.09 R)
• M22: 16,097,329 km (0.119 R)
• M23: 16,827,516 km (0.047 R)
• M24: 17,125,665 km (0.047 R)
• M25: 17,579,545 km (0.092 R)
• M26: 18,989,056 km (0.069 R)
• M27: 21,155,682 km (0.044 R)
• M28: 22,030,979 km (0.117 R)
• M29: 22,748,600 km (0.09 R)
• M30: 25,480,257 km (0.119 R)
• M31: 28,317,680 km (0.113 R)
• M32: 32,495,500 km (0.093 R)
• M33: 35,947,172 km (0.087 R)
• M34: 36,815,438 km (0.095 R)
• M35: 47,307,933 km (0.094 R)
• M36: 49,559,979 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.7

Radius: 7.3

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 6.79 AU - 11.23 AU

Year: 18343 Days

Day: 19.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 84,205,958 km

• M1: 91,703 km (0.112 R)
• M2: 383,419 km (0.06 R)
• M3: 646,263 km (0.085 R)
• M4: 923,019 km (0.108 R)
• M5: 1,790,986 km (0.078 R)
• M6: 2,581,760 km (0.077 R)
• M7: 2,829,195 km (0.09 R)
• M8: 3,268,414 km (0.12 R)
• M9: 3,780,637 km (0.089 R)
• M10: 6,021,015 km (0.079 R)
• M11: 6,874,770 km (0.053 R)
• M12: 9,437,531 km (0.105 R)
• M13: 15,599,168 km (0.101 R)
• M14: 16,886,757 km (0.091 R)
• M15: 24,801,233 km (0.049 R)
• M16: 25,205,745 km (0.101 R)
• M17: 28,823,919 km (0.103 R)
• M18: 30,179,426 km (0.115 R)
• M19: 32,052,092 km (0.092 R)
• M20: 33,753,169 km (0.099 R)
• M21: 35,513,487 km (0.071 R)
• M22: 37,334,093 km (0.045 R)
• M23: 39,079,601 km (0.104 R)
• M24: 41,727,633 km (0.088 R)
• M25: 44,492,800 km (0.119 R)
• M26: 46,606,768 km (0.117 R)
• M27: 48,314,128 km (0.03 R)
• M28: 48,786,858 km (0.085 R)
• M29: 52,348,633 km (0.081 R)
• M30: 55,216,873 km (0.04 R)
• M31: 59,622,680 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 978.2

Radius: 5.1

Gravity: 37.61 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.2 AU - 9.56 AU

Year: 19485 Days

Day: 23.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 84,205,958 km

• M1: 64,028 km (0.043 R)
• M2: 227,838 km (0.086 R)
• M3: 622,477 km (0.114 R)
• M4: 831,615 km (0.067 R)
• M5: 1,738,028 km (0.106 R)
• M6: 4,865,222 km (0.104 R)
• M7: 12,031,558 km (0.076 R)
• M8: 13,386,616 km (0.114 R)
• M9: 13,609,517 km (0.086 R)
• M10: 16,227,180 km (0.048 R)
• M11: 16,822,729 km (0.048 R)
• M12: 18,604,141 km (0.12 R)
• M13: 19,068,343 km (0.106 R)
• M14: 20,507,624 km (0.113 R)
• M15: 21,506,339 km (0.114 R)
• M16: 23,600,261 km (0.119 R)
• M17: 24,474,660 km (0.105 R)
• M18: 25,711,835 km (0.058 R)
• M19: 28,432,422 km (0.104 R)
• M20: 29,296,948 km (0.091 R)
• M21: 29,798,849 km (0.096 R)
• M22: 34,996,178 km (0.119 R)
• M23: 35,419,241 km (0.085 R)
• M24: 39,993,495 km (0.092 R)
• M25: 42,023,388 km (0.074 R)
• M26: 43,144,475 km (0.117 R)
• M27: 43,957,240 km (0.084 R)
• M28: 48,349,134 km (0.11 R)
• M29: 49,049,701 km (0.083 R)
• M30: 53,396,267 km (0.066 R)
• M31: 60,386,676 km (0.08 R)
• M32: 67,744,049 km (0.056 R)
• M33: 73,120,298 km (0.092 R)
• M34: 75,911,944 km (0.216 R)
• M35: 83,200,352 km (0.11 R)
• M36: 83,450,928 km (0.047 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: 361 - 11,652 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit