🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.1

Radius: 9.3

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.47 AU - 0.57 AU

Year: 264 Days

Day: 12.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,499,381 km

• M1: 115,639 km (0.115 R)
• M2: 523,443 km (0.087 R)
• M3: 828,323 km (0.109 R)
• M4: 1,302,100 km (0.109 R)
• M5: 1,656,946 km (0.081 R)
• M6: 2,181,735 km (0.095 R)
• M7: 2,498,584 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.2

Radius: 8.5

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.45 AU - 0.71 AU

Year: 310 Days

Day: 10.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,499,381 km

• M1: 105,766 km (0.112 R)
• M2: 373,995 km (0.116 R)
• M3: 690,394 km (0.076 R)
• M4: 997,668 km (0.055 R)
• M5: 1,567,486 km (0.074 R)
• M6: 1,929,813 km (0.06 R)
• M7: 2,331,333 km (0.071 R)
• M8: 2,927,630 km (0.039 R)
• M9: 3,732,467 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.9

Radius: 12.2

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.59 AU - 0.77 AU

Year: 394 Days

Day: 6.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,499,381 km

• M1: 151,991 km (0.119 R)
• M2: 578,495 km (0.098 R)
• M3: 1,395,299 km (0.113 R)
• M4: 2,102,598 km (0.09 R)
• M5: 2,556,777 km (0.111 R)
• M6: 3,320,325 km (0.054 R)
• M7: 3,906,150 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.5

Radius: 12.6

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.13 AU - 1.23 AU

Year: 901 Days

Day: 12.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,499,381 km

• M1: 156,928 km (0.089 R)
• M2: 793,617 km (0.061 R)
• M3: 1,534,425 km (0.039 R)
• M4: 2,081,206 km (0.049 R)
• M5: 2,612,428 km (0.097 R)
• M6: 3,374,479 km (0.084 R)
• M7: 4,310,363 km (0.117 R)
• M8: 6,365,539 km (0.104 R)
• M9: 7,206,279 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.5

Radius: 8.4

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.31 AU - 1.49 AU

Year: 1164 Days

Day: 14 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,499,381 km

• M1: 104,419 km (0.073 R)
• M2: 365,617 km (0.099 R)
• M3: 720,164 km (0.113 R)
• M4: 991,684 km (0.048 R)
• M5: 1,281,007 km (0.101 R)
• M6: 1,974,393 km (0.103 R)
• M7: 2,236,787 km (0.062 R)
• M8: 2,858,516 km (0.099 R)
• M9: 3,606,057 km (0.119 R)
• M10: 3,903,756 km (0.048 R)
• M11: 6,115,711 km (0.065 R)
• M12: 6,985,173 km (0.096 R)
• M13: 7,276,291 km (0.063 R)
• M14: 7,856,880 km (0.104 R)
• M15: 8,359,379 km (0.106 R)
• M16: 8,883,122 km (0.06 R)
• M17: 9,487,497 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.4

Radius: 11

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.6 AU - 3.26 AU

Year: 3525 Days

Day: 12.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,499,381 km

• M1: 161,117 km (0.038 R)
• M2: 569,220 km (0.034 R)
• M3: 1,117,346 km (0.12 R)
• M4: 1,752,389 km (0.043 R)
• M5: 2,122,046 km (0.09 R)
• M6: 2,746,467 km (0.094 R)
• M7: 3,250,313 km (0.072 R)
• M8: 3,704,492 km (0.061 R)
• M9: 4,485,991 km (0.115 R)
• M10: 5,096,201 km (0.12 R)
• M11: 5,760,715 km (0.115 R)
• M12: 7,062,216 km (0.12 R)
• M13: 7,408,835 km (0.11 R)
• M14: 8,517,953 km (0.113 R)
• M15: 9,316,656 km (0.074 R)
• M16: 9,912,056 km (0.063 R)
• M17: 11,374,225 km (0.076 R)
• M18: 12,136,576 km (0.099 R)
• M19: 13,365,373 km (0.119 R)
• M20: 15,241,629 km (0.084 R)
• M21: 16,418,067 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573.1

Radius: 7.2

Gravity: 11.06 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.23 AU - 6.85 AU

Year: 10434 Days

Day: 24.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,499,381 km

• M1: 89,609 km (0.088 R)
• M2: 351,106 km (0.119 R)
• M3: 617,839 km (0.064 R)
• M4: 1,185,862 km (0.064 R)
• M5: 2,289,446 km (0.069 R)
• M6: 2,840,415 km (0.108 R)
• M7: 3,986,334 km (0.113 R)
• M8: 4,457,867 km (0.057 R)
• M9: 5,512,233 km (0.105 R)
• M10: 7,805,269 km (0.096 R)
• M11: 8,103,567 km (0.095 R)
• M12: 8,542,936 km (0.032 R)
• M13: 9,137,887 km (0.116 R)
• M14: 9,421,674 km (0.116 R)
• M15: 17,835,357 km (0.096 R)
• M16: 19,968,773 km (0.028 R)
• M17: 23,567,499 km (0.078 R)
• M18: 24,101,713 km (0.11 R)
• M19: 28,369,142 km (0.11 R)
• M20: 31,370,823 km (0.058 R)
• M21: 32,672,474 km (0.09 R)
• M22: 34,122,826 km (0.107 R)
• M23: 44,679,349 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826.7

Radius: 3.9

Gravity: 54.35 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.46 AU - 7.26 AU

Year: 12630 Days

Day: 15.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 33,499,381 km

• M1: 48,769 km (0.096 R)
• M2: 253,568 km (0.09 R)
• M3: 431,889 km (0.096 R)
• M4: 592,408 km (0.038 R)
• M5: 1,059,901 km (0.115 R)
• M6: 1,274,125 km (0.093 R)
• M7: 1,689,558 km (0.106 R)
• M8: 1,910,664 km (0.095 R)
• M9: 3,066,308 km (0.11 R)
• M10: 3,395,722 km (0.116 R)
• M11: 4,752,575 km (0.045 R)
• M12: 5,550,380 km (0.08 R)
• M13: 6,194,848 km (0.113 R)
• M14: 6,678,797 km (0.116 R)
• M15: 7,057,878 km (0.099 R)
• M16: 7,998,400 km (0.077 R)
• M17: 8,281,738 km (0.054 R)
• M18: 9,326,230 km (0.099 R)
• M19: 10,737,387 km (0.089 R)
• M20: 14,042,752 km (0.106 R)
• M21: 19,877,219 km (0.066 R)
• M22: 21,917,734 km (0.106 R)
• M23: 22,658,991 km (0.095 R)
• M24: 23,321,261 km (0.047 R)
• M25: 31,244,562 km (0.098 R)
• M26: 37,026,371 km (0.05 R)
• M27: 37,944,303 km (0.053 R)
• M28: 40,236,292 km (0.11 R)
• M29: 40,788,757 km (0.069 R)
• M30: 42,191,835 km (0.108 R)
• M31: 44,356,367 km (0.12 R)
• M32: 47,509,292 km (0.117 R)
• M33: 49,218,896 km (0.096 R)
• M34: 52,431,660 km (0.092 R)
• M35: 54,593,349 km (0.113 R)
• M36: 55,952,596 km (0.082 R)
• M37: 56,640,596 km (0.097 R)
• M38: 57,858,323 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.7

Radius: 4.2

Gravity: 46.13 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.04 AU - 7.68 AU

Year: 14035 Days

Day: 23.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 33,499,381 km

• M1: 52,210 km (0.088 R)
• M2: 185,651 km (0.1 R)
• M3: 317,596 km (0.059 R)
• M4: 454,778 km (0.083 R)
• M5: 711,039 km (0.099 R)
• M6: 877,392 km (0.067 R)
• M7: 1,069,774 km (0.063 R)
• M8: 1,478,177 km (0.115 R)
• M9: 2,058,616 km (0.095 R)
• M10: 3,195,261 km (0.092 R)
• M11: 3,824,021 km (0.103 R)
• M12: 5,885,031 km (0.107 R)
• M13: 7,084,207 km (0.099 R)
• M14: 8,096,087 km (0.089 R)
• M15: 8,636,435 km (0.044 R)
• M16: 11,099,414 km (0.119 R)
• M17: 11,951,972 km (0.085 R)
• M18: 14,484,664 km (0.106 R)
• M19: 14,627,081 km (0.082 R)
• M20: 17,838,499 km (0.054 R)
• M21: 24,182,795 km (0.082 R)
• M22: 25,093,846 km (0.099 R)
• M23: 26,344,035 km (0.032 R)
• M24: 26,876,903 km (0.104 R)
• M25: 27,744,571 km (0.119 R)
• M26: 34,220,513 km (0.081 R)
• M27: 39,377,301 km (0.037 R)
• M28: 40,495,545 km (0.107 R)
• M29: 41,922,858 km (0.1 R)
• M30: 42,212,330 km (0.112 R)
• M31: 43,679,437 km (0.089 R)
• M32: 46,251,024 km (0.073 R)
• M33: 48,443,082 km (0.112 R)
• M34: 48,602,254 km (0.062 R)
• M35: 49,242,533 km (0.108 R)
• M36: 50,376,335 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.8

Radius: 4.3

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8.88 AU - 9.32 AU

Year: 19296 Days

Day: 22.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,499,381 km

• M1: 59,091 km (0.042 R)
• M2: 238,908 km (0.096 R)
• M3: 827,725 km (0.103 R)
• M4: 1,255,425 km (0.063 R)
• M5: 1,426,864 km (0.094 R)
• M6: 1,962,126 km (0.113 R)
• M7: 2,308,295 km (0.071 R)
• M8: 3,503,881 km (0.084 R)
• M9: 3,660,660 km (0.111 R)
• M10: 4,675,382 km (0.097 R)
• M11: 5,771,187 km (0.115 R)
• M12: 6,680,891 km (0.079 R)
• M13: 10,850,782 km (0.062 R)
• M14: 10,993,050 km (0.11 R)
• M15: 12,641,469 km (0.082 R)
• M16: 14,333,421 km (0.095 R)
• M17: 15,085,898 km (0.111 R)
• M18: 28,638,717 km (0.119 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 11,484 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit