🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.7

Radius: 9.9

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.53 AU - 0.85 AU

Year: 403 Days

Day: 5.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,524,483 km

• M1: 123,119 km (0.098 R)
• M2: 601,084 km (0.098 R)
• M3: 915,240 km (0.108 R)
• M4: 1,327,831 km (0.081 R)
• M5: 1,739,374 km (0.093 R)
• M6: 2,563,210 km (0.096 R)
• M7: 2,969,518 km (0.095 R)
• M8: 3,501,338 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.4

Radius: 14.2

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.87 AU - 1.03 AU

Year: 651 Days

Day: 14.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,524,483 km

• M1: 176,675 km (0.08 R)
• M2: 641,326 km (0.108 R)
• M3: 1,112,260 km (0.107 R)
• M4: 1,859,651 km (0.025 R)
• M5: 2,334,475 km (0.041 R)
• M6: 3,032,050 km (0.119 R)
• M7: 3,496,551 km (0.076 R)
• M8: 4,096,738 km (0.064 R)
• M9: 4,914,140 km (0.056 R)
• M10: 5,614,857 km (0.085 R)
• M11: 7,414,968 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.4

Radius: 8.7

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.95 AU - 0.97 AU

Year: 661 Days

Day: 11.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,524,483 km

• M1: 108,159 km (0.107 R)
• M2: 539,450 km (0.08 R)
• M3: 872,305 km (0.068 R)
• M4: 1,173,446 km (0.088 R)
• M5: 1,575,415 km (0.097 R)
• M6: 1,887,177 km (0.099 R)
• M7: 2,162,288 km (0.109 R)
• M8: 3,031,302 km (0.063 R)
• M9: 3,307,011 km (0.115 R)
• M10: 3,880,718 km (0.061 R)
• M11: 4,222,250 km (0.036 R)
• M12: 4,503,345 km (0.056 R)
• M13: 5,068,675 km (0.111 R)
• M14: 5,550,679 km (0.059 R)
• M15: 6,731,605 km (0.095 R)
• M16: 7,314,438 km (0.091 R)
• M17: 7,860,321 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.6

Radius: 15

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.32 AU - 1.42 AU

Year: 1127 Days

Day: 10 Hours

Environment

Temp: -182 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,524,483 km

• M1: 186,549 km (0.109 R)
• M2: 657,782 km (0.106 R)
• M3: 1,194,389 km (0.078 R)
• M4: 1,807,292 km (0.084 R)
• M5: 2,291,540 km (0.111 R)
• M6: 3,244,628 km (0.084 R)
• M7: 3,880,868 km (0.119 R)
• M8: 4,499,006 km (0.082 R)
• M9: 5,018,709 km (0.075 R)
• M10: 5,734,984 km (0.113 R)
• M11: 6,368,980 km (0.113 R)
• M12: 8,049,113 km (0.113 R)
• M13: 8,766,585 km (0.093 R)
• M14: 9,277,462 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376

Radius: 8.4

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.34 AU - 3.24 AU

Year: 3276 Days

Day: 12.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,524,483 km

• M1: 105,616 km (0.076 R)
• M2: 367,263 km (0.119 R)
• M3: 712,086 km (0.1 R)
• M4: 984,204 km (0.074 R)
• M5: 1,327,382 km (0.083 R)
• M6: 1,652,159 km (0.077 R)
• M7: 3,156,365 km (0.091 R)
• M8: 4,272,665 km (0.038 R)
• M9: 6,196,793 km (0.115 R)
• M10: 6,602,801 km (0.112 R)
• M11: 7,259,835 km (0.083 R)
• M12: 7,558,732 km (0.112 R)
• M13: 7,834,740 km (0.065 R)
• M14: 8,703,754 km (0.101 R)
• M15: 9,528,636 km (0.084 R)
• M16: 9,887,372 km (0.087 R)
• M17: 10,978,988 km (0.041 R)
• M18: 11,373,477 km (0.094 R)
• M19: 12,190,730 km (0.096 R)
• M20: 13,311,069 km (0.081 R)
• M21: 14,033,776 km (0.088 R)
• M22: 14,782,214 km (0.118 R)
• M23: 15,804,865 km (0.075 R)
• M24: 16,155,972 km (0.109 R)
• M25: 17,082,730 km (0.104 R)
• M26: 18,208,305 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.4

Radius: 14.3

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.42 AU - 5.78 AU

Year: 8096 Days

Day: 7.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,524,483 km

• M1: 178,470 km (0.111 R)
• M2: 821,741 km (0.078 R)
• M3: 1,676,394 km (0.058 R)
• M4: 2,386,535 km (0.104 R)
• M5: 2,946,031 km (0.081 R)
• M6: 4,092,998 km (0.104 R)
• M7: 4,639,778 km (0.112 R)
• M8: 5,297,709 km (0.094 R)
• M9: 6,365,389 km (0.035 R)
• M10: 9,947,211 km (0.082 R)
• M11: 11,252,602 km (0.075 R)
• M12: 12,556,348 km (0.047 R)
• M13: 15,269,305 km (0.096 R)
• M14: 17,352,007 km (0.09 R)
• M15: 18,134,553 km (0.043 R)
• M16: 20,861,722 km (0.067 R)
• M17: 22,573,272 km (0.097 R)
• M18: 24,819,783 km (0.076 R)
• M19: 25,268,427 km (0.102 R)
• M20: 26,274,323 km (0.106 R)
• M21: 27,881,303 km (0.049 R)
• M22: 29,153,633 km (0.064 R)
• M23: 30,362,234 km (0.088 R)
• M24: 33,095,088 km (0.082 R)
• M25: 34,188,649 km (0.064 R)
• M26: 36,795,092 km (0.1 R)
• M27: 38,925,216 km (0.112 R)
• M28: 40,390,378 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.9

Radius: 11.1

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.91 AU - 5.37 AU

Year: 8191 Days

Day: 5.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,524,483 km

• M1: 138,528 km (0.086 R)
• M2: 646,113 km (0.093 R)
• M3: 1,050,476 km (0.098 R)
• M4: 1,471,445 km (0.048 R)
• M5: 2,149,422 km (0.1 R)
• M6: 2,821,117 km (0.081 R)
• M7: 3,510,464 km (0.093 R)
• M8: 3,895,529 km (0.105 R)
• M9: 4,526,532 km (0.111 R)
• M10: 5,472,290 km (0.112 R)
• M11: 6,474,297 km (0.115 R)
• M12: 8,709,139 km (0.093 R)
• M13: 9,882,585 km (0.089 R)
• M14: 10,854,821 km (0.108 R)
• M15: 12,763,690 km (0.117 R)
• M16: 14,456,689 km (0.117 R)
• M17: 16,559,886 km (0.046 R)
• M18: 16,963,052 km (0.115 R)
• M19: 17,441,915 km (0.03 R)
• M20: 18,354,911 km (0.083 R)
• M21: 19,821,269 km (0.079 R)
• M22: 20,660,364 km (0.059 R)
• M23: 22,655,401 km (0.104 R)
• M24: 25,481,305 km (0.12 R)
• M25: 26,019,109 km (0.035 R)
• M26: 26,840,252 km (0.111 R)
• M27: 28,342,513 km (0.081 R)
• M28: 32,133,922 km (0.101 R)
• M29: 39,142,881 km (0.03 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599.6

Radius: 6.9

Gravity: 12.59 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.5 AU - 9 AU

Year: 15166 Days

Day: 19.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,524,483 km

• M1: 86,168 km (0.098 R)
• M2: 415,284 km (0.115 R)
• M3: 1,370,316 km (0.102 R)
• M4: 1,685,220 km (0.092 R)
• M5: 1,921,435 km (0.116 R)
• M6: 2,482,277 km (0.079 R)
• M7: 4,992,380 km (0.107 R)
• M8: 5,630,116 km (0.072 R)
• M9: 6,045,699 km (0.052 R)
• M10: 6,980,835 km (0.097 R)
• M11: 8,293,257 km (0.107 R)
• M12: 8,881,476 km (0.047 R)
• M13: 9,237,369 km (0.114 R)
• M14: 10,141,240 km (0.119 R)
• M15: 10,928,872 km (0.1 R)
• M16: 12,625,312 km (0.077 R)
• M17: 14,559,912 km (0.051 R)
• M18: 15,270,352 km (0.109 R)
• M19: 15,488,017 km (0.073 R)
• M20: 15,855,280 km (0.103 R)
• M21: 18,756,282 km (0.085 R)
• M22: 23,117,658 km (0.117 R)
• M23: 28,656,968 km (0.069 R)
• M24: 33,166,446 km (0.052 R)
• M25: 33,409,692 km (0.094 R)
• M26: 34,023,044 km (0.036 R)
• M27: 35,145,925 km (0.099 R)
• M28: 35,908,127 km (0.073 R)
• M29: 36,293,191 km (0.027 R)
• M30: 39,884,887 km (0.034 R)
• M31: 42,121,225 km (0.054 R)
• M32: 49,647,045 km (0.062 R)
• M33: 50,606,267 km (0.066 R)
• M34: 55,931,801 km (0.11 R)
• M35: 58,374,735 km (0.097 R)
• M36: 59,622,381 km (0.105 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 13,832 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit