🌌 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: 639.4

Radius: 14.7

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.62 AU - 0.76 AU

Year: 396 Days

Day: 10.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,496,853 km

• M1: 182,809 km (0.11 R)
• M2: 859,739 km (0.109 R)
• M3: 1,666,670 km (0.049 R)
• M4: 2,144,635 km (0.048 R)
• M5: 2,629,482 km (0.069 R)
• M6: 3,091,440 km (0.073 R)
• M7: 3,976,311 km (0.07 R)
• M8: 4,437,970 km (0.12 R)
• M9: 4,979,964 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.6

Radius: 10.5

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.2 AU - 1.48 AU

Year: 1071 Days

Day: 6 Hours

Environment

Temp: -184 °C

Axial Tilt: 136.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,496,853 km

• M1: 130,599 km (0.063 R)
• M2: 532,120 km (0.048 R)
• M3: 964,906 km (0.079 R)
• M4: 1,713,644 km (0.048 R)
• M5: 2,080,009 km (0.099 R)
• M6: 2,722,681 km (0.084 R)
• M7: 3,357,724 km (0.109 R)
• M8: 3,710,925 km (0.115 R)
• M9: 4,808,225 km (0.091 R)
• M10: 5,198,376 km (0.099 R)
• M11: 5,651,808 km (0.086 R)
• M12: 6,951,065 km (0.067 R)
• M13: 7,683,945 km (0.1 R)
• M14: 8,807,126 km (0.092 R)
• M15: 9,333,411 km (0.073 R)
• M16: 9,849,673 km (0.1 R)
• M17: 10,257,178 km (0.105 R)
• M18: 11,173,166 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.7

Radius: 8.4

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.27 AU - 1.51 AU

Year: 1131 Days

Day: 14.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,496,853 km

• M1: 104,419 km (0.072 R)
• M2: 435,928 km (0.107 R)
• M3: 807,529 km (0.117 R)
• M4: 1,326,784 km (0.065 R)
• M5: 1,859,950 km (0.106 R)
• M6: 2,229,457 km (0.114 R)
• M7: 3,294,295 km (0.103 R)
• M8: 3,745,781 km (0.086 R)
• M9: 4,845,176 km (0.052 R)
• M10: 5,179,228 km (0.05 R)
• M11: 5,469,298 km (0.088 R)
• M12: 6,538,025 km (0.089 R)
• M13: 7,276,141 km (0.104 R)
• M14: 8,999,957 km (0.082 R)
• M15: 9,420,328 km (0.068 R)
• M16: 9,795,220 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.5

Radius: 11

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.43 AU - 1.89 AU

Year: 1476 Days

Day: 9.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,496,853 km

• M1: 136,882 km (0.069 R)
• M2: 650,751 km (0.065 R)
• M3: 1,148,912 km (0.117 R)
• M4: 1,759,421 km (0.055 R)
• M5: 2,284,509 km (0.086 R)
• M6: 2,682,140 km (0.071 R)
• M7: 3,445,089 km (0.091 R)
• M8: 4,090,006 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.9

Radius: 8.4

Gravity: 12 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.6 AU - 3.7 AU

Year: 4813 Days

Day: 6.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,496,853 km

• M1: 104,719 km (0.112 R)
• M2: 550,819 km (0.052 R)
• M3: 1,042,697 km (0.045 R)
• M4: 1,478,027 km (0.044 R)
• M5: 2,471,207 km (0.084 R)
• M6: 2,787,158 km (0.094 R)
• M7: 3,070,945 km (0.078 R)
• M8: 3,374,180 km (0.037 R)
• M9: 4,208,637 km (0.051 R)
• M10: 7,682,898 km (0.07 R)
• M11: 7,979,102 km (0.036 R)
• M12: 10,540,367 km (0.107 R)
• M13: 11,186,630 km (0.064 R)
• M14: 12,056,092 km (0.099 R)
• M15: 14,148,368 km (0.043 R)
• M16: 18,504,957 km (0.112 R)
• M17: 18,903,935 km (0.075 R)
• M18: 19,240,829 km (0.032 R)
• M19: 19,513,247 km (0.116 R)
• M20: 20,416,369 km (0.095 R)
• M21: 25,354,146 km (0.099 R)
• M22: 31,502,768 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.7

Radius: 10.1

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.99 AU - 4.17 AU

Year: 5689 Days

Day: 7.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,496,853 km

• M1: 130,898 km (0.108 R)
• M2: 507,586 km (0.09 R)
• M3: 917,484 km (0.058 R)
• M4: 1,560,605 km (0.047 R)
• M5: 2,056,073 km (0.088 R)
• M6: 2,498,733 km (0.087 R)
• M7: 3,181,049 km (0.038 R)
• M8: 3,577,334 km (0.054 R)
• M9: 5,133,601 km (0.097 R)
• M10: 5,770,887 km (0.115 R)
• M11: 6,492,847 km (0.091 R)
• M12: 6,892,722 km (0.058 R)
• M13: 7,705,338 km (0.1 R)
• M14: 8,346,065 km (0.057 R)
• M15: 10,710,310 km (0.083 R)
• M16: 11,508,564 km (0.084 R)
• M17: 12,295,599 km (0.099 R)
• M18: 16,840,382 km (0.029 R)
• M19: 17,725,553 km (0.105 R)
• M20: 22,470,947 km (0.027 R)
• M21: 26,457,281 km (0.11 R)
• M22: 28,000,682 km (0.09 R)
• M23: 28,794,598 km (0.098 R)
• M24: 29,242,045 km (0.063 R)
• M25: 30,612,362 km (0.085 R)
• M26: 31,549,443 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.8

Radius: 7.7

Gravity: 12.31 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.12 AU - 6.34 AU

Year: 10734 Days

Day: 16.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 48,496,853 km

• M1: 95,743 km (0.041 R)
• M2: 469,737 km (0.098 R)
• M3: 965,355 km (0.055 R)
• M4: 1,281,605 km (0.107 R)
• M5: 1,727,556 km (0.099 R)
• M6: 2,607,192 km (0.097 R)
• M7: 3,600,522 km (0.071 R)
• M8: 3,972,871 km (0.025 R)
• M9: 4,579,490 km (0.068 R)
• M10: 5,246,248 km (0.036 R)
• M11: 7,508,317 km (0.07 R)
• M12: 8,948,047 km (0.039 R)
• M13: 9,532,526 km (0.047 R)
• M14: 9,987,453 km (0.045 R)
• M15: 10,509,849 km (0.09 R)
• M16: 11,439,450 km (0.069 R)
• M17: 11,780,384 km (0.107 R)
• M18: 13,336,351 km (0.075 R)
• M19: 16,274,004 km (0.054 R)
• M20: 17,144,365 km (0.117 R)
• M21: 18,741,621 km (0.119 R)
• M22: 20,352,790 km (0.086 R)
• M23: 23,940,596 km (0.107 R)
• M24: 24,405,097 km (0.105 R)
• M25: 32,225,775 km (0.057 R)
• M26: 36,330,292 km (0.11 R)
• M27: 38,065,178 km (0.119 R)
• M28: 40,770,207 km (0.053 R)
• M29: 41,034,397 km (0.115 R)
• M30: 42,507,487 km (0.119 R)
• M31: 43,325,638 km (0.103 R)
• M32: 45,985,937 km (0.071 R)
• M33: 46,272,117 km (0.09 R)
• M34: 48,309,042 km (0.048 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407.1

Radius: 3.3

Gravity: 37.38 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 6.67 AU - 8.25 AU

Year: 14064 Days

Day: 18.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 48,496,853 km

• M1: 41,139 km (0.095 R)
• M2: 152,141 km (0.113 R)
• M3: 427,551 km (0.099 R)
• M4: 830,867 km (0.109 R)
• M5: 1,261,110 km (0.1 R)
• M6: 1,461,122 km (0.075 R)
• M7: 1,760,318 km (0.066 R)
• M8: 2,116,660 km (0.112 R)
• M9: 2,685,282 km (0.066 R)
• M10: 3,324,813 km (0.04 R)
• M11: 4,495,266 km (0.096 R)
• M12: 4,802,391 km (0.05 R)
• M13: 5,222,312 km (0.071 R)
• M14: 5,561,600 km (0.119 R)
• M15: 6,060,958 km (0.061 R)
• M16: 6,865,196 km (0.108 R)
• M17: 7,313,690 km (0.05 R)
• M18: 7,956,213 km (0.082 R)
• M19: 12,740,503 km (0.118 R)
• M20: 12,922,563 km (0.06 R)
• M21: 13,604,730 km (0.066 R)
• M22: 15,586,752 km (0.112 R)
• M23: 17,527,784 km (0.09 R)
• M24: 19,383,247 km (0.12 R)
• M25: 20,029,809 km (0.088 R)
• M26: 21,026,280 km (0.097 R)
• M27: 22,142,579 km (0.087 R)
• M28: 29,047,867 km (0.075 R)
• M29: 29,787,180 km (0.042 R)
• M30: 30,973,940 km (0.109 R)
• M31: 32,755,950 km (0.102 R)
• M32: 41,225,882 km (0.12 R)
• M33: 44,205,273 km (0.111 R)
• M34: 50,436,773 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.1

Radius: 7.1

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.24 AU - 9.52 AU

Year: 15269 Days

Day: 16.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,496,853 km

• M1: 88,263 km (0.116 R)
• M2: 491,579 km (0.033 R)
• M3: 1,459,477 km (0.085 R)
• M4: 1,689,259 km (0.081 R)
• M5: 2,976,848 km (0.068 R)
• M6: 3,245,376 km (0.081 R)
• M7: 4,211,479 km (0.099 R)
• M8: 9,018,508 km (0.07 R)
• M9: 10,627,433 km (0.062 R)
• M10: 14,688,716 km (0.103 R)
• M11: 15,719,595 km (0.059 R)
• M12: 17,543,492 km (0.102 R)
• M13: 19,100,806 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.1

Radius: 5

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.19 AU - 10.67 AU

Year: 18420 Days

Day: 15.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,496,853 km

• M1: 95,144 km (0.045 R)
• M2: 256,860 km (0.085 R)
• M3: 1,463,666 km (0.093 R)
• M4: 2,174,555 km (0.045 R)
• M5: 4,160,018 km (0.066 R)
• M6: 4,900,677 km (0.063 R)
• M7: 6,116,459 km (0.11 R)
• M8: 8,937,874 km (0.087 R)
• M9: 10,111,170 km (0.092 R)
• M10: 13,180,171 km (0.085 R)
• M11: 15,835,383 km (0.068 R)
• M12: 16,675,226 km (0.115 R)
• M13: 16,961,706 km (0.099 R)
• M14: 17,692,192 km (0.079 R)
• M15: 18,749,700 km (0.061 R)
• M16: 32,066,603 km (0.075 R)
• M17: 36,923,298 km (0.062 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: 313 - 14,109 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit