🌌 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: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.4

Radius: 13.1

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.62 AU - 0.9 AU

Year: 428 Days

Day: 9.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 57,635,221 km

• M1: 162,912 km (0.111 R)
• M2: 631,004 km (0.116 R)
• M3: 1,214,136 km (0.068 R)
• M4: 1,632,711 km (0.112 R)
• M5: 2,042,161 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.3

Radius: 13.2

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.98 AU - 1.28 AU

Year: 776 Days

Day: 12.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,635,221 km

• M1: 164,109 km (0.106 R)
• M2: 624,272 km (0.102 R)
• M3: 1,398,291 km (0.092 R)
• M4: 1,823,897 km (0.073 R)
• M5: 2,817,526 km (0.098 R)
• M6: 3,232,361 km (0.058 R)
• M7: 3,713,917 km (0.095 R)
• M8: 5,012,277 km (0.065 R)
• M9: 5,592,118 km (0.099 R)
• M10: 6,216,540 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.9

Radius: 10.6

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.15 AU - 1.19 AU

Year: 817 Days

Day: 8.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,635,221 km

• M1: 132,245 km (0.101 R)
• M2: 653,294 km (0.071 R)
• M3: 997,668 km (0.069 R)
• M4: 1,386,922 km (0.111 R)
• M5: 1,842,747 km (0.12 R)
• M6: 2,838,620 km (0.045 R)
• M7: 3,442,546 km (0.1 R)
• M8: 4,733,725 km (0.059 R)
• M9: 5,283,946 km (0.109 R)
• M10: 6,323,352 km (0.08 R)
• M11: 7,682,299 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708

Radius: 11.3

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.17 AU - 3.35 AU

Year: 2961 Days

Day: 12.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,635,221 km

• M1: 140,472 km (0.107 R)
• M2: 561,441 km (0.104 R)
• M3: 1,478,775 km (0.084 R)
• M4: 3,816,541 km (0.049 R)
• M5: 4,853,254 km (0.106 R)
• M6: 6,895,115 km (0.099 R)
• M7: 7,795,246 km (0.062 R)
• M8: 10,805,903 km (0.076 R)
• M9: 12,771,619 km (0.066 R)
• M10: 13,649,310 km (0.086 R)
• M11: 14,272,684 km (0.117 R)
• M12: 15,888,341 km (0.032 R)
• M13: 17,847,774 km (0.055 R)
• M14: 18,593,519 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.4

Radius: 13.5

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.56 AU - 5.8 AU

Year: 6537 Days

Day: 12.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,635,221 km

• M1: 167,849 km (0.067 R)
• M2: 656,286 km (0.105 R)
• M3: 1,234,781 km (0.12 R)
• M4: 1,941,930 km (0.111 R)
• M5: 3,143,650 km (0.116 R)
• M6: 3,655,125 km (0.118 R)
• M7: 4,475,519 km (0.095 R)
• M8: 5,415,293 km (0.039 R)
• M9: 6,516,184 km (0.109 R)
• M10: 7,798,986 km (0.079 R)
• M11: 10,532,438 km (0.071 R)
• M12: 12,038,589 km (0.101 R)
• M13: 13,518,711 km (0.062 R)
• M14: 15,961,644 km (0.112 R)
• M15: 19,029,747 km (0.076 R)
• M16: 21,555,856 km (0.104 R)
• M17: 25,373,594 km (0.057 R)
• M18: 29,341,977 km (0.082 R)
• M19: 30,088,321 km (0.08 R)
• M20: 32,108,041 km (0.069 R)
• M21: 32,900,761 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.2

Radius: 6.9

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.97 AU - 7.25 AU

Year: 9752 Days

Day: 18.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,635,221 km

• M1: 85,869 km (0.111 R)
• M2: 404,213 km (0.117 R)
• M3: 656,884 km (0.057 R)
• M4: 937,081 km (0.056 R)
• M5: 1,274,873 km (0.117 R)
• M6: 1,925,773 km (0.094 R)
• M7: 3,248,667 km (0.03 R)
• M8: 3,770,016 km (0.117 R)
• M9: 4,447,096 km (0.091 R)
• M10: 4,787,880 km (0.068 R)
• M11: 6,425,827 km (0.102 R)
• M12: 7,245,922 km (0.108 R)
• M13: 9,092,110 km (0.084 R)
• M14: 9,728,200 km (0.107 R)
• M15: 10,530,045 km (0.107 R)
• M16: 11,183,638 km (0.081 R)
• M17: 12,214,217 km (0.082 R)
• M18: 15,924,993 km (0.052 R)
• M19: 17,226,943 km (0.092 R)
• M20: 18,331,873 km (0.111 R)
• M21: 20,324,367 km (0.075 R)
• M22: 23,148,027 km (0.098 R)
• M23: 23,538,028 km (0.11 R)
• M24: 26,817,513 km (0.103 R)
• M25: 27,857,667 km (0.118 R)
• M26: 28,210,418 km (0.077 R)
• M27: 28,834,690 km (0.104 R)
• M28: 31,139,694 km (0.089 R)
• M29: 31,806,452 km (0.105 R)
• M30: 32,095,176 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 508.7

Radius: 6.2

Gravity: 13.23 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.89 AU - 8.61 AU

Year: 15300 Days

Day: 16 Hours

Environment

Temp: -231 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,635,221 km

• M1: 141,819 km (0.088 R)
• M2: 503,846 km (0.046 R)
• M3: 913,295 km (0.091 R)
• M4: 1,437,785 km (0.116 R)
• M5: 2,379,504 km (0.117 R)
• M6: 2,740,184 km (0.097 R)
• M7: 3,136,768 km (0.112 R)
• M8: 3,413,225 km (0.069 R)
• M9: 3,788,566 km (0.086 R)
• M10: 4,280,893 km (0.082 R)
• M11: 13,662,474 km (0.113 R)
• M12: 14,537,921 km (0.119 R)
• M13: 15,378,811 km (0.065 R)
• M14: 16,177,663 km (0.092 R)
• M15: 17,003,743 km (0.088 R)
• M16: 17,622,031 km (0.104 R)
• M17: 19,566,803 km (0.108 R)
• M18: 20,590,801 km (0.118 R)
• M19: 21,204,451 km (0.095 R)
• M20: 24,069,250 km (0.093 R)
• M21: 27,602,004 km (0.119 R)
• M22: 28,133,376 km (0.085 R)
• M23: 28,347,899 km (0.065 R)
• M24: 39,703,873 km (0.116 R)
• M25: 43,881,693 km (0.091 R)
• M26: 45,779,492 km (0.091 R)
• M27: 46,523,891 km (0.106 R)
• M28: 51,639,988 km (0.105 R)
• M29: 52,934,459 km (0.119 R)
• M30: 57,290,599 km (0.12 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 16,082 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit