🌌 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: 670.3

Radius: 10.9

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.63 AU - 0.89 AU

Year: 428 Days

Day: 14.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,536,182 km

• M1: 135,536 km (0.084 R)
• M2: 571,913 km (0.038 R)
• M3: 1,394,551 km (0.095 R)
• M4: 1,792,482 km (0.028 R)
• M5: 2,660,897 km (0.081 R)
• M6: 3,362,811 km (0.099 R)
• M7: 3,764,331 km (0.059 R)
• M8: 4,476,567 km (0.026 R)
• M9: 5,276,317 km (0.026 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.3

Radius: 13.5

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.67 AU - 1.03 AU

Year: 506 Days

Day: 5.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,536,182 km

• M1: 170,542 km (0.095 R)
• M2: 590,762 km (0.109 R)
• M3: 1,115,252 km (0.114 R)
• M4: 1,601,146 km (0.095 R)
• M5: 2,138,202 km (0.105 R)
• M6: 2,905,789 km (0.094 R)
• M7: 3,391,533 km (0.119 R)
• M8: 4,155,978 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.5

Radius: 15

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.97 AU - 1.23 AU

Year: 745 Days

Day: 5.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,536,182 km

• M1: 188,045 km (0.107 R)
• M2: 676,930 km (0.104 R)
• M3: 1,261,110 km (0.086 R)
• M4: 1,802,505 km (0.105 R)
• M5: 2,778,182 km (0.119 R)
• M6: 3,825,218 km (0.096 R)
• M7: 4,447,395 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.1

Radius: 10.3

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.96 AU - 2.68 AU

Year: 2282 Days

Day: 13.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,536,182 km

• M1: 128,056 km (0.095 R)
• M2: 522,246 km (0.103 R)
• M3: 1,114,355 km (0.093 R)
• M4: 1,544,299 km (0.083 R)
• M5: 2,139,100 km (0.084 R)
• M6: 2,654,614 km (0.087 R)
• M7: 3,177,608 km (0.044 R)
• M8: 3,526,919 km (0.099 R)
• M9: 4,038,395 km (0.095 R)
• M10: 4,732,379 km (0.072 R)
• M11: 5,108,169 km (0.101 R)
• M12: 5,830,727 km (0.12 R)
• M13: 6,216,839 km (0.053 R)
• M14: 6,644,240 km (0.056 R)
• M15: 7,348,098 km (0.062 R)
• M16: 8,845,124 km (0.104 R)
• M17: 9,448,302 km (0.064 R)
• M18: 9,886,474 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341

Radius: 12.3

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.45 AU - 3.51 AU

Year: 3322 Days

Day: 14.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,536,182 km

• M1: 153,039 km (0.114 R)
• M2: 739,462 km (0.107 R)
• M3: 1,128,716 km (0.095 R)
• M4: 1,569,431 km (0.119 R)
• M5: 2,016,729 km (0.118 R)
• M6: 2,438,595 km (0.051 R)
• M7: 3,696,264 km (0.12 R)
• M8: 4,294,356 km (0.101 R)
• M9: 4,844,877 km (0.11 R)
• M10: 5,253,279 km (0.056 R)
• M11: 5,934,697 km (0.083 R)
• M12: 8,273,211 km (0.065 R)
• M13: 10,261,068 km (0.106 R)
• M14: 10,709,113 km (0.079 R)
• M15: 11,287,608 km (0.104 R)
• M16: 12,297,992 km (0.073 R)
• M17: 13,018,904 km (0.101 R)
• M18: 16,847,114 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.1

Radius: 13.2

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.17 AU - 3.39 AU

Year: 3836 Days

Day: 7.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,536,182 km

• M1: 165,904 km (0.095 R)
• M2: 740,958 km (0.048 R)
• M3: 1,954,945 km (0.089 R)
• M4: 2,682,739 km (0.052 R)
• M5: 3,877,427 km (0.113 R)
• M6: 4,754,220 km (0.1 R)
• M7: 5,674,995 km (0.087 R)
• M8: 7,062,067 km (0.079 R)
• M9: 7,594,186 km (0.081 R)
• M10: 8,010,667 km (0.059 R)
• M11: 12,337,636 km (0.079 R)
• M12: 14,227,805 km (0.09 R)
• M13: 16,941,211 km (0.09 R)
• M14: 20,645,703 km (0.105 R)
• M15: 25,625,666 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.8

Radius: 10.6

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.03 AU - 4.19 AU

Year: 4429 Days

Day: 6.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,536,182 km

• M1: 131,945 km (0.12 R)
• M2: 461,958 km (0.079 R)
• M3: 1,043,744 km (0.053 R)
• M4: 1,546,992 km (0.072 R)
• M5: 2,102,897 km (0.069 R)
• M6: 2,442,784 km (0.108 R)
• M7: 2,883,649 km (0.116 R)
• M8: 3,270,658 km (0.095 R)
• M9: 3,635,228 km (0.048 R)
• M10: 4,667,902 km (0.081 R)
• M11: 5,301,599 km (0.091 R)
• M12: 5,833,419 km (0.059 R)
• M13: 6,625,989 km (0.117 R)
• M14: 7,123,103 km (0.058 R)
• M15: 8,093,694 km (0.081 R)
• M16: 10,924,085 km (0.12 R)
• M17: 11,329,196 km (0.057 R)
• M18: 12,737,959 km (0.108 R)
• M19: 13,141,724 km (0.042 R)
• M20: 14,212,396 km (0.113 R)
• M21: 14,892,169 km (0.117 R)
• M22: 16,579,932 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.9

Radius: 13.1

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.61 AU - 4.35 AU

Year: 5127 Days

Day: 5.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,536,182 km

• M1: 163,211 km (0.086 R)
• M2: 646,861 km (0.077 R)
• M3: 1,266,346 km (0.045 R)
• M4: 3,205,284 km (0.101 R)
• M5: 4,207,889 km (0.035 R)
• M6: 6,408,324 km (0.093 R)
• M7: 7,658,214 km (0.069 R)
• M8: 8,201,554 km (0.112 R)
• M9: 12,708,489 km (0.058 R)
• M10: 15,247,165 km (0.03 R)
• M11: 16,889,300 km (0.045 R)
• M12: 17,929,604 km (0.039 R)
• M13: 18,889,723 km (0.06 R)
• M14: 23,006,357 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.7

Radius: 6.9

Gravity: 13.67 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.9 AU - 10.12 AU

Year: 16029 Days

Day: 19 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,536,182 km

• M1: 85,869 km (0.091 R)
• M2: 321,187 km (0.063 R)
• M3: 762,800 km (0.093 R)
• M4: 987,944 km (0.096 R)
• M5: 1,231,639 km (0.114 R)
• M6: 1,825,992 km (0.104 R)
• M7: 2,100,205 km (0.119 R)
• M8: 2,596,720 km (0.033 R)
• M9: 2,993,753 km (0.072 R)
• M10: 3,879,671 km (0.118 R)
• M11: 5,138,836 km (0.086 R)
• M12: 8,239,103 km (0.111 R)
• M13: 9,735,381 km (0.09 R)
• M14: 10,234,439 km (0.095 R)
• M15: 10,576,420 km (0.101 R)
• M16: 12,595,991 km (0.033 R)
• M17: 15,077,521 km (0.084 R)
• M18: 16,902,016 km (0.099 R)
• M19: 20,350,995 km (0.097 R)
• M20: 26,202,665 km (0.047 R)
• M21: 28,827,061 km (0.106 R)
• M22: 30,202,763 km (0.075 R)
• M23: 32,960,749 km (0.044 R)
• M24: 33,208,334 km (0.078 R)
• M25: 33,706,943 km (0.114 R)
• M26: 34,975,533 km (0.111 R)
• M27: 35,491,796 km (0.118 R)
• M28: 36,671,973 km (0.099 R)
• M29: 39,806,198 km (0.082 R)
• M30: 47,857,556 km (0.11 R)
• M31: 49,783,179 km (0.064 R)
• M32: 52,767,507 km (0.107 R)
• M33: 57,643,650 km (0.043 R)
• M34: 60,746,011 km (0.102 R)
• M35: 61,491,756 km (0.113 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: 553 - 13,759 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit