🌌 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 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.56 AU - 0.56 AU

Year: 271 Days

Day: 34.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 15.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,828,089 km

• M1: 93,648 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.2

Radius: 13.4

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.58 AU - 0.86 AU

Year: 394 Days

Day: 10.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,828,089 km

• M1: 166,652 km (0.093 R)
• M2: 744,549 km (0.069 R)
• M3: 1,208,601 km (0.101 R)
• M4: 1,680,283 km (0.107 R)
• M5: 2,301,114 km (0.113 R)
• M6: 3,071,992 km (0.073 R)
• M7: 4,387,406 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.5

Radius: 8.5

Gravity: 11.02 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.69 AU - 0.81 AU

Year: 419 Days

Day: 13 Hours

Environment

Temp: -147 °C

Axial Tilt: 53.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,828,089 km

• M1: 105,766 km (0.117 R)
• M2: 426,055 km (0.038 R)
• M3: 875,596 km (0.115 R)
• M4: 1,308,832 km (0.025 R)
• M5: 1,717,384 km (0.116 R)
• M6: 2,130,124 km (0.095 R)
• M7: 2,412,415 km (0.081 R)
• M8: 2,719,839 km (0.112 R)
• M9: 3,166,688 km (0.092 R)
• M10: 3,649,141 km (0.108 R)
• M11: 4,391,745 km (0.058 R)
• M12: 5,362,036 km (0.09 R)
• M13: 5,871,567 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.2

Radius: 12

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.3 AU - 1.66 AU

Year: 1163 Days

Day: 7.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,828,089 km

• M1: 152,291 km (0.098 R)
• M2: 663,766 km (0.108 R)
• M3: 1,172,099 km (0.057 R)
• M4: 1,681,630 km (0.085 R)
• M5: 2,089,134 km (0.048 R)
• M6: 5,580,749 km (0.051 R)
• M7: 6,999,834 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.1

Radius: 8

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.49 AU - 1.87 AU

Year: 1406 Days

Day: 11 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,828,089 km

• M1: 112,946 km (0.11 R)
• M2: 375,491 km (0.12 R)
• M3: 713,133 km (0.099 R)
• M4: 1,037,162 km (0.069 R)
• M5: 1,963,173 km (0.107 R)
• M6: 2,403,140 km (0.095 R)
• M7: 2,739,735 km (0.078 R)
• M8: 3,094,881 km (0.066 R)
• M9: 3,649,440 km (0.103 R)
• M10: 5,043,842 km (0.103 R)
• M11: 5,655,847 km (0.107 R)
• M12: 6,654,712 km (0.094 R)
• M13: 6,938,349 km (0.086 R)
• M14: 7,530,009 km (0.108 R)
• M15: 8,056,593 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.9

Radius: 12.3

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.45 AU - 2.51 AU

Year: 2522 Days

Day: 14.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,828,089 km

• M1: 153,039 km (0.117 R)
• M2: 544,835 km (0.11 R)
• M3: 1,063,790 km (0.073 R)
• M4: 1,696,440 km (0.094 R)
• M5: 2,223,174 km (0.07 R)
• M6: 2,658,354 km (0.091 R)
• M7: 3,117,171 km (0.085 R)
• M8: 3,628,945 km (0.106 R)
• M9: 4,114,540 km (0.109 R)
• M10: 4,710,089 km (0.106 R)
• M11: 6,021,314 km (0.034 R)
• M12: 7,686,339 km (0.075 R)
• M13: 8,491,774 km (0.12 R)
• M14: 9,712,791 km (0.085 R)
• M15: 11,573,340 km (0.092 R)
• M16: 12,718,811 km (0.075 R)
• M17: 14,078,656 km (0.079 R)
• M18: 14,552,731 km (0.119 R)
• M19: 15,037,578 km (0.106 R)
• M20: 18,682,380 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.9

Radius: 9.3

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.86 AU - 3.46 AU

Year: 3627 Days

Day: 13.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 126 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,828,089 km

• M1: 153,039 km (0.085 R)
• M2: 930,948 km (0.049 R)
• M3: 1,294,770 km (0.077 R)
• M4: 2,341,057 km (0.081 R)
• M5: 6,517,979 km (0.092 R)
• M6: 8,450,784 km (0.092 R)
• M7: 8,826,125 km (0.045 R)
• M8: 9,797,613 km (0.035 R)
• M9: 10,805,155 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.5

Radius: 14.3

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.97 AU - 4.89 AU

Year: 6020 Days

Day: 5.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 95 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,828,089 km

• M1: 177,872 km (0.078 R)
• M2: 734,376 km (0.099 R)
• M3: 1,217,727 km (0.086 R)
• M4: 2,778,332 km (0.115 R)
• M5: 3,992,767 km (0.088 R)
• M6: 5,028,134 km (0.076 R)
• M7: 6,204,123 km (0.093 R)
• M8: 7,341,815 km (0.099 R)
• M9: 8,574,950 km (0.104 R)
• M10: 9,179,325 km (0.117 R)
• M11: 9,898,592 km (0.086 R)
• M12: 12,587,913 km (0.113 R)
• M13: 13,105,671 km (0.089 R)
• M14: 15,378,960 km (0.038 R)
• M15: 16,763,638 km (0.067 R)
• M16: 17,774,920 km (0.106 R)
• M17: 19,095,869 km (0.078 R)
• M18: 25,694,781 km (0.06 R)
• M19: 26,361,239 km (0.069 R)
• M20: 27,902,696 km (0.061 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610

Radius: 5

Gravity: 24.4 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.71 AU - 7.75 AU

Year: 11273 Days

Day: 17.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 84,828,089 km

• M1: 62,532 km (0.052 R)
• M2: 432,039 km (0.047 R)
• M3: 615,446 km (0.092 R)
• M4: 832,363 km (0.066 R)
• M5: 1,077,254 km (0.098 R)
• M6: 1,449,903 km (0.09 R)
• M7: 1,790,537 km (0.114 R)
• M8: 2,075,371 km (0.098 R)
• M9: 2,799,575 km (0.077 R)
• M10: 3,067,205 km (0.112 R)
• M11: 3,400,808 km (0.091 R)
• M12: 4,311,859 km (0.118 R)
• M13: 4,886,465 km (0.114 R)
• M14: 7,322,517 km (0.093 R)
• M15: 11,497,644 km (0.102 R)
• M16: 14,274,778 km (0.091 R)
• M17: 14,667,174 km (0.1 R)
• M18: 15,887,443 km (0.084 R)
• M19: 17,468,843 km (0.113 R)
• M20: 18,994,890 km (0.098 R)
• M21: 19,389,829 km (0.099 R)
• M22: 20,442,399 km (0.094 R)
• M23: 21,617,940 km (0.069 R)
• M24: 24,010,907 km (0.118 R)
• M25: 28,794,299 km (0.082 R)
• M26: 33,828,267 km (0.119 R)
• M27: 34,642,379 km (0.084 R)
• M28: 36,551,996 km (0.108 R)
• M29: 37,409,192 km (0.099 R)
• M30: 40,060,814 km (0.107 R)
• M31: 43,787,596 km (0.094 R)
• M32: 44,893,274 km (0.099 R)
• M33: 45,453,069 km (0.118 R)
• M34: 46,872,902 km (0.063 R)

Asteroid Belt

Center: 8.79 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 10.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 713

Radius: 4.1

Gravity: 42.42 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.71 AU - 11.99 AU

Year: 23076 Days

Day: 15.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 84,828,089 km

• M1: 51,013 km (0.057 R)
• M2: 241,601 km (0.101 R)
• M3: 385,364 km (0.108 R)
• M4: 632,500 km (0.041 R)
• M5: 858,692 km (0.114 R)
• M6: 1,151,156 km (0.11 R)
• M7: 1,456,784 km (0.114 R)
• M8: 1,646,624 km (0.084 R)
• M9: 1,775,876 km (0.083 R)
• M10: 2,055,176 km (0.107 R)
• M11: 2,183,381 km (0.069 R)
• M12: 3,442,247 km (0.115 R)
• M13: 6,558,969 km (0.065 R)
• M14: 9,136,690 km (0.055 R)
• M15: 10,648,077 km (0.066 R)
• M16: 12,388,798 km (0.026 R)
• M17: 17,551,121 km (0.07 R)
• M18: 18,454,543 km (0.093 R)
• M19: 19,963,836 km (0.066 R)
• M20: 20,158,163 km (0.052 R)
• M21: 24,093,186 km (0.106 R)
• M22: 26,356,302 km (0.119 R)
• M23: 30,393,650 km (0.091 R)
• M24: 30,909,314 km (0.041 R)
• M25: 33,850,557 km (0.07 R)
• M26: 38,005,489 km (0.068 R)
• M27: 38,754,525 km (0.098 R)
• M28: 42,487,590 km (0.12 R)
• M29: 46,283,188 km (0.115 R)
• M30: 46,453,131 km (0.071 R)
• M31: 51,748,147 km (0.109 R)
• M32: 58,814,552 km (0.068 R)
• M33: 60,422,580 km (0.098 R)
• M34: 61,033,089 km (0.106 R)
• M35: 67,584,279 km (0.069 R)
• M36: 71,368,207 km (0.035 R)
• M37: 74,122,603 km (0.088 R)
• M38: 78,144,841 km (0.088 R)
• M39: 78,627,444 km (0.115 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 19,176 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit