🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.41 AU - 0.63 AU

Year: 238 Days

Day: 20.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 45.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.09 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269

Radius: 9.2

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.28 AU - 2.04 AU

Year: 1360 Days

Day: 13.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,346,260 km

• M1: 114,442 km (0.057 R)
• M2: 455,974 km (0.106 R)
• M3: 828,174 km (0.117 R)
• M4: 1,518,269 km (0.046 R)
• M5: 1,848,282 km (0.086 R)
• M6: 2,406,731 km (0.077 R)
• M7: 3,258,990 km (0.079 R)
• M8: 3,550,556 km (0.072 R)
• M9: 3,966,588 km (0.111 R)
• M10: 4,986,546 km (0.077 R)
• M11: 5,318,653 km (0.112 R)
• M12: 8,716,619 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.8

Radius: 9.6

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.38 AU - 3.32 AU

Year: 3059 Days

Day: 12 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,346,260 km

• M1: 121,174 km (0.075 R)
• M2: 428,747 km (0.06 R)
• M3: 1,215,184 km (0.114 R)
• M4: 3,135,123 km (0.097 R)
• M5: 3,552,800 km (0.03 R)
• M6: 4,596,245 km (0.109 R)
• M7: 4,951,989 km (0.094 R)
• M8: 5,305,040 km (0.093 R)
• M9: 6,787,555 km (0.099 R)
• M10: 8,825,526 km (0.12 R)
• M11: 10,347,535 km (0.103 R)
• M12: 10,857,215 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.2

Radius: 8

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.68 AU - 4.78 AU

Year: 5532 Days

Day: 12.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,346,260 km

• M1: 112,198 km (0.076 R)
• M2: 508,334 km (0.1 R)
• M3: 943,663 km (0.089 R)
• M4: 1,505,254 km (0.077 R)
• M5: 2,357,962 km (0.057 R)
• M6: 3,537,990 km (0.106 R)
• M7: 4,246,784 km (0.118 R)
• M8: 4,785,037 km (0.09 R)
• M9: 5,835,813 km (0.033 R)
• M10: 6,912,319 km (0.067 R)
• M11: 7,529,560 km (0.078 R)
• M12: 8,317,941 km (0.081 R)
• M13: 14,144,927 km (0.058 R)
• M14: 14,936,151 km (0.105 R)
• M15: 17,881,284 km (0.087 R)
• M16: 18,513,484 km (0.082 R)
• M17: 20,562,227 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822.3

Radius: 5.5

Gravity: 27.18 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.85 AU - 8.57 AU

Year: 12309 Days

Day: 21.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,346,260 km

• M1: 73,303 km (0.086 R)
• M2: 286,031 km (0.113 R)
• M3: 475,572 km (0.105 R)
• M4: 690,693 km (0.083 R)
• M5: 1,003,652 km (0.107 R)
• M6: 1,776,026 km (0.093 R)
• M7: 2,226,465 km (0.06 R)
• M8: 2,426,777 km (0.075 R)
• M9: 4,618,385 km (0.054 R)
• M10: 5,183,716 km (0.119 R)
• M11: 5,683,074 km (0.11 R)
• M12: 5,982,419 km (0.068 R)
• M13: 8,097,733 km (0.087 R)
• M14: 9,581,145 km (0.096 R)
• M15: 9,951,699 km (0.079 R)
• M16: 10,891,623 km (0.094 R)
• M17: 13,729,045 km (0.087 R)
• M18: 15,174,310 km (0.084 R)
• M19: 16,718,160 km (0.039 R)
• M20: 17,962,516 km (0.117 R)
• M21: 18,607,282 km (0.091 R)
• M22: 20,546,819 km (0.099 R)
• M23: 21,251,874 km (0.108 R)
• M24: 23,368,833 km (0.094 R)
• M25: 27,802,465 km (0.097 R)
• M26: 30,669,359 km (0.104 R)
• M27: 34,955,637 km (0.108 R)
• M28: 35,706,768 km (0.026 R)
• M29: 39,895,359 km (0.119 R)
• M30: 41,129,840 km (0.094 R)
• M31: 41,686,643 km (0.069 R)
• M32: 42,248,383 km (0.118 R)
• M33: 42,815,210 km (0.119 R)
• M34: 43,819,311 km (0.089 R)
• M35: 49,702,397 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 374.1

Radius: 5.3

Gravity: 13.32 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 6.42 AU - 8.4 AU

Year: 12825 Days

Day: 19.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,346,260 km

• M1: 88,712 km (0.118 R)
• M2: 419,024 km (0.067 R)
• M3: 720,463 km (0.086 R)
• M4: 1,005,597 km (0.066 R)
• M5: 1,802,206 km (0.075 R)
• M6: 3,066,158 km (0.115 R)
• M7: 3,414,721 km (0.09 R)
• M8: 4,081,030 km (0.088 R)
• M9: 4,590,560 km (0.073 R)
• M10: 5,873,512 km (0.092 R)
• M11: 6,980,536 km (0.117 R)
• M12: 8,395,732 km (0.094 R)
• M13: 8,618,782 km (0.093 R)
• M14: 9,359,441 km (0.076 R)
• M15: 9,551,076 km (0.079 R)
• M16: 10,756,237 km (0.115 R)
• M17: 11,072,786 km (0.036 R)
• M18: 15,974,809 km (0.112 R)
• M19: 16,248,722 km (0.116 R)
• M20: 20,986,337 km (0.069 R)
• M21: 21,397,582 km (0.116 R)
• M22: 22,836,115 km (0.068 R)
• M23: 27,244,016 km (0.063 R)
• M24: 29,646,558 km (0.082 R)
• M25: 31,217,934 km (0.099 R)
• M26: 34,525,393 km (0.062 R)
• M27: 35,213,843 km (0.12 R)
• M28: 35,794,432 km (0.051 R)
• M29: 37,695,372 km (0.047 R)
• M30: 38,180,817 km (0.086 R)
• M31: 39,662,435 km (0.095 R)
• M32: 39,913,161 km (0.074 R)
• M33: 41,826,517 km (0.118 R)
• M34: 44,606,644 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 606.5

Radius: 6.9

Gravity: 12.74 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.11 AU - 8.57 AU

Year: 13957 Days

Day: 15.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,346,260 km

• M1: 85,869 km (0.077 R)
• M2: 632,649 km (0.089 R)
• M3: 1,266,496 km (0.071 R)
• M4: 1,559,408 km (0.108 R)
• M5: 1,862,793 km (0.063 R)
• M6: 2,205,372 km (0.048 R)
• M7: 3,064,512 km (0.061 R)
• M8: 4,247,832 km (0.109 R)
• M9: 5,143,923 km (0.077 R)
• M10: 5,457,031 km (0.114 R)
• M11: 7,047,556 km (0.099 R)
• M12: 7,925,994 km (0.101 R)
• M13: 9,074,008 km (0.107 R)
• M14: 9,428,705 km (0.086 R)
• M15: 9,792,677 km (0.114 R)
• M16: 10,548,744 km (0.079 R)
• M17: 11,054,834 km (0.104 R)
• M18: 12,859,583 km (0.114 R)
• M19: 13,437,330 km (0.103 R)
• M20: 13,898,390 km (0.03 R)
• M21: 14,575,321 km (0.081 R)
• M22: 18,696,891 km (0.093 R)
• M23: 19,689,324 km (0.113 R)
• M24: 22,231,889 km (0.081 R)
• M25: 22,599,002 km (0.106 R)
• M26: 23,915,613 km (0.105 R)
• M27: 25,084,122 km (0.096 R)
• M28: 26,392,505 km (0.098 R)
• M29: 28,926,394 km (0.09 R)
• M30: 32,433,417 km (0.112 R)
• M31: 33,382,466 km (0.12 R)
• M32: 34,349,915 km (0.048 R)
• M33: 35,335,915 km (0.115 R)
• M34: 45,957,663 km (0.115 R)
• M35: 48,525,211 km (0.106 R)
• M36: 52,796,829 km (0.087 R)
• M37: 57,312,590 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.7

Radius: 6.1

Gravity: 15.69 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 9.03 AU - 11.51 AU

Year: 20926 Days

Day: 15.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,346,260 km

• M1: 75,846 km (0.055 R)
• M2: 368,759 km (0.087 R)
• M3: 725,101 km (0.119 R)
• M4: 921,822 km (0.11 R)
• M5: 1,264,401 km (0.074 R)
• M6: 1,505,553 km (0.096 R)
• M7: 2,203,876 km (0.05 R)
• M8: 2,672,716 km (0.113 R)
• M9: 3,777,197 km (0.097 R)
• M10: 4,215,967 km (0.034 R)
• M11: 4,864,923 km (0.116 R)
• M12: 5,269,884 km (0.038 R)
• M13: 6,231,499 km (0.054 R)
• M14: 6,620,603 km (0.09 R)
• M15: 8,085,915 km (0.11 R)
• M16: 8,707,194 km (0.106 R)
• M17: 9,193,537 km (0.112 R)
• M18: 9,640,984 km (0.109 R)
• M19: 12,704,150 km (0.083 R)
• M20: 14,792,985 km (0.117 R)
• M21: 15,485,025 km (0.118 R)
• M22: 15,958,353 km (0.089 R)
• M23: 16,522,636 km (0.096 R)
• M24: 19,545,411 km (0.093 R)
• M25: 21,525,488 km (0.065 R)
• M26: 24,474,361 km (0.106 R)
• M27: 27,223,671 km (0.119 R)
• M28: 36,003,121 km (0.107 R)
• M29: 37,817,893 km (0.076 R)
• M30: 39,254,481 km (0.101 R)
• M31: 40,876,571 km (0.075 R)
• M32: 41,326,561 km (0.101 R)
• M33: 47,151,454 km (0.045 R)
• M34: 48,983,130 km (0.109 R)
• M35: 56,599,307 km (0.083 R)
• M36: 71,922,168 km (0.078 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: 234 - 11,249 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit