🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.2

Radius: 10.7

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.97 AU - 1.21 AU

Year: 772 Days

Day: 11.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,609,290 km

• M1: 133,142 km (0.067 R)
• M2: 540,497 km (0.095 R)
• M3: 1,104,780 km (0.088 R)
• M4: 1,440,328 km (0.118 R)
• M5: 2,244,267 km (0.07 R)
• M6: 2,677,652 km (0.098 R)
• M7: 3,244,927 km (0.086 R)
• M8: 3,846,012 km (0.061 R)
• M9: 5,308,032 km (0.096 R)
• M10: 6,371,673 km (0.094 R)
• M11: 7,408,236 km (0.108 R)
• M12: 7,979,251 km (0.07 R)
• M13: 8,838,093 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.2

Radius: 11.9

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 4.64 AU - 5.1 AU

Year: 7289 Days

Day: 6.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,609,290 km

• M1: 149,299 km (0.078 R)
• M2: 614,698 km (0.115 R)
• M3: 997,369 km (0.046 R)
• M4: 1,411,157 km (0.03 R)
• M5: 2,082,702 km (0.033 R)
• M6: 3,033,396 km (0.083 R)
• M7: 3,408,438 km (0.093 R)
• M8: 4,522,493 km (0.078 R)
• M9: 6,677,899 km (0.045 R)
• M10: 7,707,133 km (0.051 R)
• M11: 9,038,255 km (0.117 R)
• M12: 9,611,663 km (0.089 R)
• M13: 10,922,290 km (0.093 R)
• M14: 12,952,782 km (0.097 R)
• M15: 13,629,264 km (0.074 R)
• M16: 14,329,232 km (0.117 R)
• M17: 14,715,943 km (0.062 R)
• M18: 19,646,090 km (0.092 R)
• M19: 20,055,091 km (0.079 R)
• M20: 21,316,500 km (0.039 R)
• M21: 24,074,337 km (0.101 R)
• M22: 27,653,765 km (0.05 R)
• M23: 28,167,783 km (0.062 R)
• M24: 29,215,118 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.3

Radius: 9.2

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.72 AU - 6.12 AU

Year: 7402 Days

Day: 10.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,609,290 km

• M1: 114,742 km (0.096 R)
• M2: 933,042 km (0.044 R)
• M3: 1,736,532 km (0.104 R)
• M4: 2,317,570 km (0.1 R)
• M5: 2,754,695 km (0.12 R)
• M6: 5,974,939 km (0.113 R)
• M7: 7,926,144 km (0.114 R)
• M8: 8,513,764 km (0.059 R)
• M9: 10,872,175 km (0.112 R)
• M10: 11,303,615 km (0.097 R)
• M11: 11,746,574 km (0.109 R)
• M12: 12,562,631 km (0.117 R)
• M13: 12,931,240 km (0.111 R)
• M14: 16,394,281 km (0.078 R)
• M15: 18,812,979 km (0.095 R)
• M16: 24,345,857 km (0.11 R)
• M17: 26,350,169 km (0.093 R)
• M18: 31,065,943 km (0.057 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.1

Radius: 4

Gravity: 58.13 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.69 AU - 8.31 AU

Year: 12561 Days

Day: 20.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,609,290 km

• M1: 49,816 km (0.068 R)
• M2: 205,099 km (0.113 R)
• M3: 654,790 km (0.107 R)
• M4: 781,499 km (0.059 R)
• M5: 1,464,114 km (0.069 R)
• M6: 1,801,607 km (0.045 R)
• M7: 4,856,695 km (0.088 R)
• M8: 5,904,179 km (0.114 R)
• M9: 7,860,620 km (0.056 R)
• M10: 8,096,386 km (0.117 R)
• M11: 8,434,328 km (0.114 R)
• M12: 11,009,356 km (0.098 R)
• M13: 12,034,401 km (0.114 R)
• M14: 12,347,509 km (0.07 R)
• M15: 13,187,202 km (0.114 R)
• M16: 14,202,523 km (0.09 R)
• M17: 14,481,822 km (0.056 R)
• M18: 17,800,651 km (0.072 R)
• M19: 18,619,849 km (0.102 R)
• M20: 19,378,310 km (0.095 R)
• M21: 26,097,648 km (0.119 R)
• M22: 26,833,819 km (0.11 R)
• M23: 27,153,510 km (0.093 R)
• M24: 34,845,682 km (0.088 R)
• M25: 36,514,596 km (0.073 R)
• M26: 52,155,353 km (0.111 R)
• M27: 55,534,170 km (0.051 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 360.2

Radius: 5.1

Gravity: 13.85 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 7.14 AU - 7.3 AU

Year: 13158 Days

Day: 22.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,609,290 km

• M1: 80,783 km (0.09 R)
• M2: 268,079 km (0.094 R)
• M3: 571,015 km (0.118 R)
• M4: 1,206,656 km (0.076 R)
• M5: 1,670,709 km (0.04 R)
• M6: 1,985,164 km (0.082 R)
• M7: 3,599,774 km (0.086 R)
• M8: 5,323,440 km (0.074 R)
• M9: 6,253,789 km (0.09 R)
• M10: 9,543,297 km (0.078 R)
• M11: 13,954,489 km (0.097 R)
• M12: 14,205,066 km (0.085 R)
• M13: 16,250,667 km (0.077 R)
• M14: 16,738,356 km (0.082 R)
• M15: 20,109,095 km (0.081 R)
• M16: 24,085,108 km (0.073 R)
• M17: 29,778,503 km (0.098 R)
• M18: 31,464,172 km (0.099 R)
• M19: 31,679,144 km (0.119 R)
• M20: 32,439,700 km (0.1 R)
• M21: 35,255,132 km (0.115 R)
• M22: 37,020,237 km (0.068 R)
• M23: 42,931,447 km (0.092 R)
• M24: 43,996,435 km (0.028 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 745.7

Radius: 7.7

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 6.47 AU - 10.21 AU

Year: 16336 Days

Day: 23.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 33,609,290 km

• M1: 95,743 km (0.049 R)
• M2: 335,548 km (0.116 R)
• M3: 642,074 km (0.033 R)
• M4: 1,112,559 km (0.076 R)
• M5: 1,440,029 km (0.111 R)
• M6: 2,190,113 km (0.05 R)
• M7: 2,686,479 km (0.099 R)
• M8: 3,229,519 km (0.112 R)
• M9: 3,784,527 km (0.083 R)
• M10: 4,499,754 km (0.09 R)
• M11: 5,834,766 km (0.085 R)
• M12: 7,232,010 km (0.117 R)
• M13: 7,743,784 km (0.053 R)
• M14: 9,866,279 km (0.049 R)
• M15: 10,554,279 km (0.118 R)
• M16: 12,154,378 km (0.073 R)
• M17: 13,559,850 km (0.092 R)
• M18: 13,839,449 km (0.036 R)
• M19: 16,531,163 km (0.087 R)
• M20: 17,173,536 km (0.08 R)
• M21: 20,637,325 km (0.097 R)
• M22: 28,450,523 km (0.093 R)
• M23: 32,756,847 km (0.03 R)
• M24: 33,897,531 km (0.072 R)
• M25: 34,672,598 km (0.075 R)
• M26: 36,526,863 km (0.106 R)
• M27: 39,715,093 km (0.078 R)
• M28: 48,081,803 km (0.099 R)
• M29: 49,060,023 km (0.065 R)
• M30: 60,521,763 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 99.6

Radius: 4.8

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.24 AU - 8.5 AU

Year: 16424 Days

Day: 19.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,609,290 km

• M1: 59,690 km (0.109 R)
• M2: 319,391 km (0.097 R)
• M3: 640,428 km (0.026 R)
• M4: 1,113,307 km (0.06 R)
• M5: 2,403,888 km (0.091 R)
• M6: 2,922,993 km (0.089 R)
• M7: 3,558,784 km (0.066 R)
• M8: 5,128,215 km (0.105 R)
• M9: 5,951,153 km (0.09 R)
• M10: 10,784,361 km (0.109 R)
• M11: 11,170,772 km (0.067 R)
• M12: 15,679,802 km (0.058 R)
• M13: 22,887,277 km (0.043 R)
• M14: 32,926,043 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179.4

Radius: 4.8

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 8.53 AU - 9.83 AU

Year: 18865 Days

Day: 17.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 33,609,290 km

• M1: 60,886 km (0.096 R)
• M2: 251,175 km (0.11 R)
• M3: 621,280 km (0.094 R)
• M4: 781,649 km (0.076 R)
• M5: 1,297,163 km (0.071 R)
• M6: 1,664,875 km (0.11 R)
• M7: 2,047,546 km (0.119 R)
• M8: 2,749,160 km (0.097 R)
• M9: 3,499,543 km (0.106 R)
• M10: 3,649,440 km (0.043 R)
• M11: 4,522,792 km (0.11 R)
• M12: 4,883,772 km (0.099 R)
• M13: 6,903,942 km (0.068 R)
• M14: 7,220,341 km (0.067 R)
• M15: 7,505,176 km (0.095 R)
• M16: 7,755,154 km (0.053 R)
• M17: 8,583,627 km (0.037 R)
• M18: 9,373,653 km (0.09 R)
• M19: 9,860,295 km (0.104 R)
• M20: 12,375,633 km (0.058 R)
• M21: 14,569,486 km (0.095 R)
• M22: 17,659,430 km (0.09 R)
• M23: 18,250,940 km (0.118 R)
• M24: 19,473,454 km (0.084 R)
• M25: 20,104,757 km (0.088 R)
• M26: 20,506,128 km (0.059 R)
• M27: 21,159,572 km (0.093 R)
• M28: 22,080,496 km (0.06 R)
• M29: 25,095,492 km (0.039 R)
• M30: 28,777,394 km (0.045 R)
• M31: 31,279,269 km (0.118 R)
• M32: 31,601,952 km (0.115 R)
• M33: 35,298,216 km (0.108 R)
• M34: 40,279,077 km (0.1 R)
• M35: 40,788,757 km (0.088 R)
• M36: 41,561,131 km (0.071 R)
• M37: 43,802,855 km (0.078 R)
• M38: 44,206,620 km (0.091 R)
• M39: 44,477,242 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.3

Radius: 7.4

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 7.78 AU - 11.5 AU

Year: 20301 Days

Day: 17.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,609,290 km

• M1: 105,018 km (0.098 R)
• M2: 336,745 km (0.048 R)
• M3: 584,928 km (0.119 R)
• M4: 3,892,237 km (0.082 R)
• M5: 5,053,715 km (0.032 R)
• M6: 7,152,274 km (0.084 R)
• M7: 8,353,695 km (0.109 R)
• M8: 13,619,091 km (0.062 R)
• M9: 14,063,097 km (0.094 R)
• M10: 15,693,864 km (0.073 R)
• M11: 18,236,429 km (0.073 R)
• M12: 19,886,943 km (0.112 R)
• M13: 20,386,599 km (0.115 R)
• M14: 20,675,772 km (0.07 R)
• M15: 24,526,122 km (0.07 R)
• M16: 28,919,662 km (0.116 R)
• M17: 31,734,944 km (0.12 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: 164 - 19,471 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit