🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.3

Radius: 11

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.52 AU - 0.56 AU

Year: 269 Days

Day: 12.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,071,292 km

• M1: 138,079 km (0.025 R)
• M2: 523,443 km (0.101 R)
• M3: 880,084 km (0.098 R)
• M4: 1,226,703 km (0.114 R)
• M5: 1,650,663 km (0.072 R)
• M6: 2,010,147 km (0.072 R)
• M7: 2,415,108 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.6

Radius: 8.7

Gravity: 12.66 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.45 AU - 0.71 AU

Year: 300 Days

Day: 9.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,071,292 km

• M1: 108,907 km (0.085 R)
• M2: 379,530 km (0.063 R)
• M3: 650,900 km (0.078 R)
• M4: 1,016,667 km (0.106 R)
• M5: 1,423,125 km (0.097 R)
• M6: 1,793,379 km (0.091 R)
• M7: 2,102,448 km (0.055 R)
• M8: 2,769,356 km (0.081 R)
• M9: 3,351,441 km (0.103 R)
• M10: 3,849,004 km (0.114 R)
• M11: 4,504,691 km (0.078 R)
• M12: 4,844,877 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.7

Radius: 13.5

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.49 AU - 0.75 AU

Year: 331 Days

Day: 8.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,071,292 km

• M1: 167,998 km (0.097 R)
• M2: 590,912 km (0.056 R)
• M3: 1,044,343 km (0.03 R)
• M4: 1,563,747 km (0.113 R)
• M5: 2,071,482 km (0.092 R)
• M6: 2,951,566 km (0.045 R)
• M7: 3,774,354 km (0.119 R)
• M8: 4,195,173 km (0.115 R)
• M9: 5,001,206 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306

Radius: 12.1

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.68 AU - 2.36 AU

Year: 1947 Days

Day: 8.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,071,292 km

• M1: 155,283 km (0.082 R)
• M2: 611,706 km (0.053 R)
• M3: 1,083,837 km (0.096 R)
• M4: 1,950,457 km (0.108 R)
• M5: 2,763,821 km (0.111 R)
• M6: 4,162,411 km (0.091 R)
• M7: 4,651,297 km (0.066 R)
• M8: 5,280,206 km (0.088 R)
• M9: 5,832,522 km (0.107 R)
• M10: 6,260,072 km (0.114 R)
• M11: 6,928,625 km (0.049 R)
• M12: 7,306,061 km (0.088 R)
• M13: 8,521,843 km (0.108 R)
• M14: 8,985,147 km (0.05 R)
• M15: 9,374,102 km (0.106 R)
• M16: 10,641,645 km (0.067 R)
• M17: 11,111,382 km (0.111 R)
• M18: 12,092,445 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.5

Radius: 10.9

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.78 AU - 3.34 AU

Year: 3631 Days

Day: 9.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,071,292 km

• M1: 135,685 km (0.092 R)
• M2: 564,882 km (0.091 R)
• M3: 928,105 km (0.117 R)
• M4: 1,950,756 km (0.092 R)
• M5: 2,324,302 km (0.116 R)
• M6: 2,958,896 km (0.094 R)
• M7: 3,987,681 km (0.093 R)
• M8: 4,416,129 km (0.109 R)
• M9: 4,804,336 km (0.059 R)
• M10: 5,545,443 km (0.093 R)
• M11: 6,533,537 km (0.043 R)
• M12: 7,602,863 km (0.114 R)
• M13: 7,962,047 km (0.07 R)
• M14: 8,366,710 km (0.09 R)
• M15: 11,216,250 km (0.106 R)
• M16: 14,113,662 km (0.069 R)
• M17: 15,010,800 km (0.079 R)
• M18: 17,029,474 km (0.11 R)
• M19: 17,420,223 km (0.095 R)
• M20: 17,873,954 km (0.064 R)
• M21: 19,162,889 km (0.059 R)
• M22: 20,262,732 km (0.096 R)
• M23: 20,701,653 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.6

Radius: 10.7

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.63 AU - 3.93 AU

Year: 4985 Days

Day: 10.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,071,292 km

• M1: 133,292 km (0.097 R)
• M2: 511,924 km (0.095 R)
• M3: 1,205,160 km (0.073 R)
• M4: 1,571,077 km (0.098 R)
• M5: 2,036,177 km (0.035 R)
• M6: 2,723,728 km (0.096 R)
• M7: 3,816,990 km (0.033 R)
• M8: 5,586,583 km (0.077 R)
• M9: 6,460,982 km (0.098 R)
• M10: 7,073,885 km (0.097 R)
• M11: 8,159,965 km (0.11 R)
• M12: 9,493,481 km (0.065 R)
• M13: 10,249,100 km (0.075 R)
• M14: 10,736,789 km (0.07 R)
• M15: 12,003,135 km (0.095 R)
• M16: 13,410,851 km (0.099 R)
• M17: 14,085,836 km (0.102 R)
• M18: 16,653,534 km (0.032 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.4

Radius: 10.3

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.44 AU - 4.96 AU

Year: 5838 Days

Day: 8.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,071,292 km

• M1: 128,056 km (0.116 R)
• M2: 458,368 km (0.084 R)
• M3: 956,678 km (0.102 R)
• M4: 1,405,023 km (0.087 R)
• M5: 1,814,473 km (0.103 R)
• M6: 2,382,346 km (0.119 R)
• M7: 2,842,060 km (0.104 R)
• M8: 3,483,985 km (0.102 R)
• M9: 4,870,159 km (0.039 R)
• M10: 5,247,295 km (0.045 R)
• M11: 5,760,715 km (0.068 R)
• M12: 6,152,212 km (0.104 R)
• M13: 6,529,199 km (0.085 R)
• M14: 8,535,905 km (0.044 R)
• M15: 9,534,321 km (0.104 R)
• M16: 10,040,411 km (0.095 R)
• M17: 14,316,367 km (0.07 R)
• M18: 14,645,781 km (0.084 R)
• M19: 15,377,165 km (0.049 R)
• M20: 15,956,258 km (0.096 R)
• M21: 25,825,230 km (0.117 R)
• M22: 28,074,284 km (0.084 R)
• M23: 28,418,210 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.4

Radius: 11.8

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.98 AU - 5.18 AU

Year: 6648 Days

Day: 6.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,071,292 km

• M1: 146,905 km (0.09 R)
• M2: 515,215 km (0.099 R)
• M3: 1,193,641 km (0.064 R)
• M4: 1,561,054 km (0.078 R)
• M5: 3,015,743 km (0.056 R)
• M6: 3,384,053 km (0.12 R)
• M7: 3,922,606 km (0.078 R)
• M8: 4,517,856 km (0.114 R)
• M9: 5,087,225 km (0.118 R)
• M10: 6,015,181 km (0.117 R)
• M11: 6,570,039 km (0.07 R)
• M12: 6,982,181 km (0.067 R)
• M13: 7,484,681 km (0.116 R)
• M14: 7,934,671 km (0.116 R)
• M15: 8,930,245 km (0.087 R)
• M16: 10,232,794 km (0.103 R)
• M17: 10,600,655 km (0.076 R)
• M18: 12,212,572 km (0.12 R)
• M19: 16,725,940 km (0.088 R)
• M20: 19,248,758 km (0.077 R)
• M21: 22,629,819 km (0.095 R)
• M22: 24,054,290 km (0.107 R)
• M23: 26,994,188 km (0.069 R)
• M24: 31,211,501 km (0.117 R)
• M25: 32,775,846 km (0.096 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.2

Radius: 14.9

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.29 AU - 5.25 AU

Year: 7066 Days

Day: 11.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,071,292 km

• M1: 185,651 km (0.107 R)
• M2: 664,813 km (0.074 R)
• M3: 1,342,790 km (0.108 R)
• M4: 1,836,613 km (0.099 R)
• M5: 2,310,689 km (0.049 R)
• M6: 3,369,542 km (0.109 R)
• M7: 4,732,080 km (0.077 R)
• M8: 5,214,084 km (0.11 R)
• M9: 7,236,498 km (0.111 R)
• M10: 8,064,522 km (0.073 R)
• M11: 9,612,411 km (0.108 R)
• M12: 10,613,819 km (0.089 R)
• M13: 12,220,500 km (0.109 R)
• M14: 13,290,873 km (0.039 R)
• M15: 14,589,682 km (0.09 R)
• M16: 15,270,053 km (0.034 R)
• M17: 15,971,517 km (0.115 R)
• M18: 16,878,529 km (0.092 R)
• M19: 17,502,203 km (0.114 R)
• M20: 19,061,761 km (0.063 R)
• M21: 26,903,831 km (0.045 R)
• M22: 27,755,491 km (0.043 R)
• M23: 28,449,775 km (0.119 R)
• M24: 30,510,635 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.2

Radius: 6.4

Gravity: 13.14 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 8.69 AU - 8.73 AU

Year: 17435 Days

Day: 17.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 64,071,292 km

• M1: 79,586 km (0.104 R)
• M2: 367,113 km (0.119 R)
• M3: 868,416 km (0.066 R)
• M4: 1,079,498 km (0.08 R)
• M5: 2,379,205 km (0.095 R)
• M6: 2,776,536 km (0.083 R)
• M7: 3,400,509 km (0.097 R)
• M8: 3,674,722 km (0.037 R)
• M9: 3,904,804 km (0.094 R)
• M10: 5,167,410 km (0.119 R)
• M11: 6,267,702 km (0.085 R)
• M12: 7,112,481 km (0.074 R)
• M13: 8,320,933 km (0.046 R)
• M14: 8,820,290 km (0.116 R)
• M15: 9,181,569 km (0.105 R)
• M16: 9,445,610 km (0.051 R)
• M17: 9,769,190 km (0.105 R)
• M18: 11,317,528 km (0.066 R)
• M19: 11,868,197 km (0.115 R)
• M20: 13,222,208 km (0.098 R)
• M21: 14,391,315 km (0.118 R)
• M22: 15,183,436 km (0.07 R)
• M23: 18,560,757 km (0.026 R)
• M24: 23,079,810 km (0.057 R)
• M25: 24,163,946 km (0.064 R)
• M26: 24,769,368 km (0.051 R)
• M27: 26,221,365 km (0.108 R)
• M28: 26,433,345 km (0.119 R)
• M29: 28,281,477 km (0.115 R)
• M30: 29,066,866 km (0.083 R)
• M31: 32,598,274 km (0.107 R)
• M32: 33,461,453 km (0.088 R)
• M33: 35,105,085 km (0.11 R)
• M34: 35,751,198 km (0.112 R)
• M35: 37,737,409 km (0.052 R)
• M36: 39,101,742 km (0.114 R)
• M37: 43,243,658 km (0.074 R)
• M38: 49,909,141 km (0.079 R)
• M39: 51,055,210 km (0.12 R)
• M40: 54,426,398 km (0.028 R)
• M41: 59,756,570 km (0.051 R)
• M42: 61,234,597 km (0.087 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 18,270 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit