🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.1

Radius: 13.2

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.51 AU - 0.67 AU

Year: 313 Days

Day: 10.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,578,857 km

• M1: 164,258 km (0.102 R)
• M2: 575,204 km (0.097 R)
• M3: 1,087,277 km (0.115 R)
• M4: 1,681,929 km (0.119 R)
• M5: 2,253,393 km (0.08 R)
• M6: 2,677,054 km (0.099 R)
• M7: 3,206,182 km (0.113 R)
• M8: 4,106,910 km (0.087 R)
• M9: 4,677,925 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.5

Radius: 10.8

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.15 AU - 1.51 AU

Year: 1059 Days

Day: 8 Hours

Environment

Temp: -184 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,578,857 km

• M1: 134,339 km (0.074 R)
• M2: 506,987 km (0.098 R)
• M3: 872,305 km (0.08 R)
• M4: 1,293,573 km (0.095 R)
• M5: 2,025,406 km (0.055 R)
• M6: 2,398,652 km (0.106 R)
• M7: 2,976,698 km (0.09 R)
• M8: 3,339,623 km (0.052 R)
• M9: 4,544,185 km (0.062 R)
• M10: 5,172,496 km (0.069 R)
• M11: 5,680,979 km (0.078 R)
• M12: 6,645,736 km (0.071 R)
• M13: 7,339,571 km (0.119 R)
• M14: 8,381,221 km (0.102 R)
• M15: 8,793,064 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.5

Radius: 8.4

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.33 AU - 1.95 AU

Year: 1450 Days

Day: 12.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 138.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,578,857 km

• M1: 104,719 km (0.089 R)
• M2: 368,908 km (0.075 R)
• M3: 722,109 km (0.115 R)
• M4: 1,145,920 km (0.115 R)
• M5: 1,636,451 km (0.099 R)
• M6: 2,088,835 km (0.105 R)
• M7: 2,409,723 km (0.099 R)
• M8: 2,727,917 km (0.11 R)
• M9: 3,352,488 km (0.11 R)
• M10: 3,884,907 km (0.079 R)
• M11: 4,505,888 km (0.12 R)
• M12: 4,937,627 km (0.114 R)
• M13: 5,764,455 km (0.098 R)
• M14: 6,315,873 km (0.109 R)
• M15: 7,105,151 km (0.098 R)
• M16: 7,642,806 km (0.096 R)
• M17: 7,933,923 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.2

Radius: 12.9

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.28 AU - 2.32 AU

Year: 2408 Days

Day: 5.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,578,857 km

• M1: 160,668 km (0.063 R)
• M2: 590,463 km (0.068 R)
• M3: 1,000,211 km (0.106 R)
• M4: 1,482,964 km (0.112 R)
• M5: 1,973,645 km (0.112 R)
• M6: 2,486,167 km (0.084 R)
• M7: 3,175,364 km (0.05 R)
• M8: 5,794,524 km (0.084 R)
• M9: 6,475,643 km (0.119 R)
• M10: 8,216,065 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.6

Radius: 9.1

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.95 AU - 3.19 AU

Year: 3713 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,578,857 km

• M1: 113,096 km (0.119 R)
• M2: 447,148 km (0.071 R)
• M3: 734,526 km (0.117 R)
• M4: 1,103,883 km (0.119 R)
• M5: 1,436,588 km (0.119 R)
• M6: 1,802,355 km (0.083 R)
• M7: 2,489,757 km (0.056 R)
• M8: 2,800,771 km (0.079 R)
• M9: 3,666,045 km (0.08 R)
• M10: 4,232,273 km (0.109 R)
• M11: 4,721,758 km (0.096 R)
• M12: 5,637,895 km (0.077 R)
• M13: 7,125,347 km (0.093 R)
• M14: 8,756,861 km (0.107 R)
• M15: 9,731,940 km (0.07 R)
• M16: 10,358,306 km (0.072 R)
• M17: 11,691,373 km (0.077 R)
• M18: 13,091,160 km (0.077 R)
• M19: 14,742,122 km (0.1 R)
• M20: 18,508,099 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.1

Radius: 8.9

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.71 AU - 4.91 AU

Year: 6176 Days

Day: 11.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,578,857 km

• M1: 197,768 km (0.108 R)
• M2: 503,098 km (0.114 R)
• M3: 1,382,284 km (0.068 R)
• M4: 2,006,556 km (0.086 R)
• M5: 2,375,165 km (0.085 R)
• M6: 3,668,289 km (0.098 R)
• M7: 6,291,338 km (0.098 R)
• M8: 9,256,219 km (0.103 R)
• M9: 9,782,953 km (0.116 R)
• M10: 12,246,979 km (0.076 R)
• M11: 14,217,482 km (0.117 R)
• M12: 16,837,240 km (0.077 R)
• M13: 17,822,193 km (0.074 R)
• M14: 18,294,772 km (0.066 R)
• M15: 20,051,051 km (0.097 R)
• M16: 24,970,577 km (0.078 R)
• M17: 26,424,220 km (0.119 R)
• M18: 29,125,658 km (0.107 R)
• M19: 34,235,024 km (0.037 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.7

Radius: 9.7

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.16 AU - 5.64 AU

Year: 8662 Days

Day: 11.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,578,857 km

• M1: 120,725 km (0.079 R)
• M2: 507,436 km (0.05 R)
• M3: 1,197,232 km (0.059 R)
• M4: 1,526,347 km (0.118 R)
• M5: 1,962,425 km (0.114 R)
• M6: 2,723,579 km (0.075 R)
• M7: 3,281,130 km (0.107 R)
• M8: 3,839,130 km (0.094 R)
• M9: 4,486,291 km (0.047 R)
• M10: 4,850,711 km (0.076 R)
• M11: 5,544,097 km (0.09 R)
• M12: 6,064,398 km (0.062 R)
• M13: 6,546,104 km (0.105 R)
• M14: 9,574,413 km (0.092 R)
• M15: 13,429,999 km (0.118 R)
• M16: 27,669,323 km (0.115 R)
• M17: 30,361,486 km (0.09 R)
• M18: 37,161,308 km (0.112 R)
• M19: 38,192,336 km (0.092 R)
• M20: 38,890,061 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.7

Radius: 3

Gravity: 65.97 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.91 AU - 8.15 AU

Year: 14263 Days

Day: 17 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 75,578,857 km

• M1: 40,990 km (0.116 R)
• M2: 182,809 km (0.111 R)
• M3: 409,749 km (0.067 R)
• M4: 507,286 km (0.083 R)
• M5: 857,495 km (0.065 R)
• M6: 974,481 km (0.079 R)
• M7: 1,280,558 km (0.111 R)
• M8: 1,405,322 km (0.101 R)
• M9: 1,794,875 km (0.109 R)
• M10: 2,023,910 km (0.12 R)
• M11: 2,232,449 km (0.037 R)
• M12: 2,497,237 km (0.072 R)
• M13: 2,626,340 km (0.106 R)
• M14: 2,897,860 km (0.102 R)
• M15: 3,365,503 km (0.091 R)
• M16: 3,740,994 km (0.115 R)
• M17: 3,881,616 km (0.113 R)
• M18: 4,735,221 km (0.077 R)
• M19: 6,122,442 km (0.082 R)
• M20: 6,929,224 km (0.087 R)
• M21: 10,810,840 km (0.119 R)
• M22: 11,154,017 km (0.065 R)
• M23: 12,599,731 km (0.069 R)
• M24: 13,237,317 km (0.118 R)
• M25: 13,829,126 km (0.101 R)
• M26: 17,286,782 km (0.09 R)
• M27: 18,556,269 km (0.089 R)
• M28: 23,392,469 km (0.106 R)
• M29: 26,870,470 km (0.093 R)
• M30: 31,134,458 km (0.076 R)
• M31: 33,126,204 km (0.085 R)
• M32: 35,326,041 km (0.088 R)
• M33: 35,701,831 km (0.08 R)
• M34: 38,013,118 km (0.119 R)
• M35: 39,743,068 km (0.116 R)
• M36: 48,873,774 km (0.093 R)
• M37: 52,689,866 km (0.115 R)
• M38: 53,509,064 km (0.108 R)
• M39: 54,503,441 km (0.115 R)
• M40: 56,871,127 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.9

Radius: 5.1

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 7.95 AU - 11.87 AU

Year: 21534 Days

Day: 18.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,578,857 km

• M1: 63,429 km (0.087 R)
• M2: 230,530 km (0.12 R)
• M3: 489,484 km (0.093 R)
• M4: 700,567 km (0.116 R)
• M5: 1,034,020 km (0.092 R)
• M6: 1,665,473 km (0.061 R)
• M7: 2,240,827 km (0.109 R)
• M8: 3,186,734 km (0.08 R)
• M9: 5,520,461 km (0.118 R)
• M10: 5,896,998 km (0.084 R)
• M11: 6,437,944 km (0.11 R)
• M12: 7,011,353 km (0.07 R)
• M13: 8,171,784 km (0.101 R)
• M14: 8,797,552 km (0.103 R)
• M15: 9,844,587 km (0.054 R)
• M16: 11,025,363 km (0.118 R)
• M17: 11,402,649 km (0.102 R)
• M18: 12,939,169 km (0.049 R)
• M19: 14,162,730 km (0.118 R)
• M20: 15,595,428 km (0.112 R)
• M21: 16,416,422 km (0.071 R)
• M22: 19,360,807 km (0.081 R)
• M23: 20,388,694 km (0.098 R)
• M24: 20,875,186 km (0.109 R)
• M25: 24,047,708 km (0.107 R)
• M26: 28,121,408 km (0.029 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.7

Radius: 4.8

Gravity: 24.68 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.5 AU - 12.44 AU

Year: 21730 Days

Day: 22.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 75,578,857 km

• M1: 59,690 km (0.079 R)
• M2: 225,594 km (0.099 R)
• M3: 471,383 km (0.059 R)
• M4: 710,291 km (0.076 R)
• M5: 863,778 km (0.111 R)
• M6: 1,771,388 km (0.102 R)
• M7: 2,287,800 km (0.102 R)
• M8: 3,466,931 km (0.065 R)
• M9: 3,884,907 km (0.097 R)
• M10: 5,816,216 km (0.069 R)
• M11: 5,980,624 km (0.1 R)
• M12: 6,233,145 km (0.109 R)
• M13: 7,410,480 km (0.107 R)
• M14: 8,411,439 km (0.083 R)
• M15: 10,863,199 km (0.116 R)
• M16: 12,150,489 km (0.095 R)
• M17: 13,464,706 km (0.092 R)
• M18: 17,201,062 km (0.097 R)
• M19: 17,971,043 km (0.065 R)
• M20: 19,214,051 km (0.085 R)
• M21: 19,671,522 km (0.109 R)
• M22: 23,388,729 km (0.11 R)
• M23: 23,700,791 km (0.064 R)
• M24: 25,193,478 km (0.087 R)
• M25: 28,600,869 km (0.103 R)
• M26: 33,737,013 km (0.073 R)
• M27: 35,622,544 km (0.099 R)
• M28: 36,312,639 km (0.059 R)
• M29: 43,553,475 km (0.104 R)
• M30: 45,462,643 km (0.093 R)
• M31: 52,228,805 km (0.105 R)
• M32: 55,850,420 km (0.117 R)
• M33: 57,533,396 km (0.078 R)
• M34: 59,057,499 km (0.116 R)
• M35: 59,442,714 km (0.084 R)
• M36: 61,789,157 km (0.052 R)
• M37: 68,134,799 km (0.11 R)
• M38: 70,703,394 km (0.064 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 10,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit