🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.1

Radius: 14.9

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.79 AU - 0.81 AU

Year: 485 Days

Day: 11.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,054,667 km

• M1: 185,352 km (0.059 R)
• M2: 676,482 km (0.057 R)
• M3: 1,244,654 km (0.116 R)
• M4: 1,767,499 km (0.115 R)
• M5: 2,855,674 km (0.114 R)
• M6: 3,417,414 km (0.12 R)
• M7: 3,943,699 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.6

Radius: 12.4

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.63 AU - 0.99 AU

Year: 494 Days

Day: 5.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,054,667 km

• M1: 154,235 km (0.053 R)
• M2: 693,087 km (0.085 R)
• M3: 1,392,158 km (0.072 R)
• M4: 2,385,338 km (0.061 R)
• M5: 2,975,801 km (0.103 R)
• M6: 3,603,962 km (0.075 R)
• M7: 4,037,198 km (0.111 R)
• M8: 4,683,161 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622

Radius: 9.2

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.03 AU - 1.37 AU

Year: 892 Days

Day: 9.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,054,667 km

• M1: 114,442 km (0.086 R)
• M2: 474,076 km (0.087 R)
• M3: 862,282 km (0.103 R)
• M4: 1,184,217 km (0.094 R)
• M5: 1,476,531 km (0.06 R)
• M6: 1,862,793 km (0.072 R)
• M7: 2,294,831 km (0.069 R)
• M8: 3,159,357 km (0.089 R)
• M9: 3,486,827 km (0.109 R)
• M10: 3,989,626 km (0.101 R)
• M11: 4,340,283 km (0.096 R)
• M12: 4,798,800 km (0.044 R)
• M13: 5,177,433 km (0.106 R)
• M14: 5,517,768 km (0.118 R)
• M15: 6,542,513 km (0.05 R)
• M16: 7,031,698 km (0.112 R)
• M17: 7,909,239 km (0.113 R)
• M18: 9,045,734 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.8

Radius: 10.1

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.23 AU - 1.39 AU

Year: 1017 Days

Day: 6 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,054,667 km

• M1: 125,662 km (0.076 R)
• M2: 481,556 km (0.105 R)
• M3: 861,833 km (0.044 R)
• M4: 1,376,001 km (0.098 R)
• M5: 1,867,430 km (0.104 R)
• M6: 2,313,082 km (0.113 R)
• M7: 2,640,702 km (0.093 R)
• M8: 3,261,383 km (0.119 R)
• M9: 4,075,196 km (0.105 R)
• M10: 4,848,916 km (0.062 R)
• M11: 5,593,464 km (0.065 R)
• M12: 5,907,620 km (0.111 R)
• M13: 6,389,923 km (0.118 R)
• M14: 6,850,834 km (0.056 R)
• M15: 7,433,219 km (0.092 R)
• M16: 7,788,065 km (0.047 R)
• M17: 9,321,892 km (0.071 R)
• M18: 10,502,818 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.4

Radius: 11.2

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.56 AU - 2.22 AU

Year: 1762 Days

Day: 8 Hours

Environment

Temp: -202 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,054,667 km

• M1: 139,874 km (0.117 R)
• M2: 583,731 km (0.077 R)
• M3: 1,004,699 km (0.117 R)
• M4: 1,786,947 km (0.115 R)
• M5: 2,526,858 km (0.105 R)
• M6: 3,023,074 km (0.109 R)
• M7: 3,569,704 km (0.071 R)
• M8: 3,999,948 km (0.054 R)
• M9: 4,827,972 km (0.076 R)
• M10: 5,521,358 km (0.047 R)
• M11: 5,980,324 km (0.096 R)
• M12: 6,823,308 km (0.114 R)
• M13: 7,284,818 km (0.115 R)
• M14: 7,814,245 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.5

Radius: 11

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.17 AU - 2.43 AU

Year: 2366 Days

Day: 7.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,054,667 km

• M1: 136,882 km (0.095 R)
• M2: 605,423 km (0.12 R)
• M3: 957,875 km (0.082 R)
• M4: 1,303,596 km (0.1 R)
• M5: 1,658,442 km (0.066 R)
• M6: 3,189,127 km (0.105 R)
• M7: 3,807,565 km (0.118 R)
• M8: 4,482,850 km (0.09 R)
• M9: 5,093,209 km (0.116 R)
• M10: 6,479,981 km (0.111 R)
• M11: 7,201,193 km (0.12 R)
• M12: 7,597,029 km (0.076 R)
• M13: 7,943,198 km (0.09 R)
• M14: 8,365,962 km (0.119 R)
• M15: 8,735,468 km (0.057 R)
• M16: 10,361,747 km (0.092 R)
• M17: 11,025,961 km (0.103 R)
• M18: 12,309,810 km (0.094 R)
• M19: 13,279,653 km (0.089 R)
• M20: 13,690,748 km (0.094 R)
• M21: 14,252,189 km (0.06 R)
• M22: 16,443,200 km (0.093 R)
• M23: 16,811,510 km (0.052 R)
• M24: 17,949,201 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.5

Radius: 8.9

Gravity: 12.2 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.76 AU - 3.14 AU

Year: 3437 Days

Day: 5.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,054,667 km

• M1: 117,883 km (0.102 R)
• M2: 413,937 km (0.092 R)
• M3: 1,295,817 km (0.106 R)
• M4: 1,692,850 km (0.093 R)
• M5: 2,228,260 km (0.08 R)
• M6: 2,650,725 km (0.096 R)
• M7: 2,943,488 km (0.095 R)
• M8: 3,825,218 km (0.102 R)
• M9: 4,246,635 km (0.056 R)
• M10: 4,625,267 km (0.06 R)
• M11: 5,450,449 km (0.099 R)
• M12: 5,927,217 km (0.113 R)
• M13: 6,931,767 km (0.103 R)
• M14: 8,516,158 km (0.062 R)
• M15: 9,671,353 km (0.102 R)
• M16: 10,625,338 km (0.072 R)
• M17: 11,059,172 km (0.114 R)
• M18: 11,732,063 km (0.074 R)
• M19: 13,159,377 km (0.082 R)
• M20: 15,623,104 km (0.072 R)
• M21: 19,258,631 km (0.118 R)
• M22: 19,969,371 km (0.086 R)
• M23: 20,430,581 km (0.111 R)
• M24: 21,034,059 km (0.09 R)
• M25: 23,787,557 km (0.081 R)
• M26: 24,983,742 km (0.065 R)
• M27: 25,984,701 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.5

Radius: 3.8

Gravity: 24.13 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 5.36 AU - 6.28 AU

Year: 9523 Days

Day: 19.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,054,667 km

• M1: 51,910 km (0.073 R)
• M2: 262,993 km (0.103 R)
• M3: 446,550 km (0.059 R)
• M4: 791,672 km (0.119 R)
• M5: 968,197 km (0.076 R)
• M6: 1,340,696 km (0.09 R)
• M7: 2,109,330 km (0.09 R)
• M8: 2,379,354 km (0.064 R)
• M9: 3,176,860 km (0.092 R)
• M10: 3,351,142 km (0.116 R)
• M11: 3,695,067 km (0.114 R)
• M12: 4,533,863 km (0.104 R)
• M13: 5,159,032 km (0.089 R)
• M14: 7,190,272 km (0.055 R)
• M15: 7,722,092 km (0.095 R)
• M16: 8,077,387 km (0.103 R)
• M17: 8,198,263 km (0.097 R)
• M18: 9,121,730 km (0.036 R)
• M19: 9,296,760 km (0.106 R)
• M20: 10,112,517 km (0.119 R)
• M21: 13,625,374 km (0.076 R)
• M22: 14,260,866 km (0.112 R)
• M23: 15,404,691 km (0.044 R)
• M24: 16,543,281 km (0.11 R)
• M25: 17,067,023 km (0.099 R)
• M26: 18,354,761 km (0.076 R)
• M27: 21,274,912 km (0.06 R)
• M28: 21,660,425 km (0.07 R)
• M29: 31,264,609 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914.5

Radius: 3.7

Gravity: 66.8 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 7.07 AU - 8.19 AU

Year: 14295 Days

Day: 21.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 53,054,667 km

• M1: 46,076 km (0.106 R)
• M2: 170,542 km (0.114 R)
• M3: 341,233 km (0.036 R)
• M4: 476,768 km (0.118 R)
• M5: 914,641 km (0.079 R)
• M6: 2,407,778 km (0.091 R)
• M7: 2,746,916 km (0.073 R)
• M8: 2,965,030 km (0.039 R)
• M9: 3,116,872 km (0.104 R)
• M10: 3,632,236 km (0.097 R)
• M11: 4,108,556 km (0.043 R)
• M12: 4,625,267 km (0.069 R)
• M13: 5,404,522 km (0.077 R)
• M14: 5,631,462 km (0.067 R)
• M15: 6,145,032 km (0.05 R)
• M16: 7,681,551 km (0.047 R)
• M17: 9,029,129 km (0.088 R)
• M18: 9,565,886 km (0.042 R)
• M19: 10,123,587 km (0.091 R)
• M20: 10,352,472 km (0.08 R)
• M21: 11,181,394 km (0.113 R)
• M22: 12,506,232 km (0.099 R)
• M23: 15,387,637 km (0.063 R)
• M24: 17,922,274 km (0.12 R)
• M25: 21,842,336 km (0.107 R)
• M26: 22,611,569 km (0.075 R)
• M27: 23,598,316 km (0.113 R)
• M28: 28,169,129 km (0.084 R)
• M29: 32,298,779 km (0.086 R)
• M30: 32,670,380 km (0.093 R)
• M31: 33,044,973 km (0.105 R)
• M32: 33,422,259 km (0.12 R)
• M33: 33,675,378 km (0.038 R)
• M34: 34,960,574 km (0.058 R)
• M35: 41,004,178 km (0.118 R)
• M36: 43,063,991 km (0.084 R)
• M37: 47,229,245 km (0.106 R)
• M38: 51,993,488 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 411.1

Radius: 5.9

Gravity: 11.81 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 6.63 AU - 9.15 AU

Year: 15032 Days

Day: 21.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,054,667 km

• M1: 73,901 km (0.099 R)
• M2: 320,139 km (0.09 R)
• M3: 529,876 km (0.102 R)
• M4: 1,037,162 km (0.111 R)
• M5: 2,934,961 km (0.108 R)
• M6: 3,120,462 km (0.111 R)
• M7: 4,083,423 km (0.026 R)
• M8: 5,064,038 km (0.057 R)
• M9: 9,477,773 km (0.08 R)
• M10: 9,680,029 km (0.104 R)
• M11: 12,217,808 km (0.1 R)
• M12: 13,897,044 km (0.117 R)
• M13: 18,168,213 km (0.048 R)
• M14: 21,196,373 km (0.063 R)
• M15: 33,421,062 km (0.119 R)
• M16: 39,735,887 km (0.115 R)
• M17: 42,005,586 km (0.096 R)
• M18: 45,069,201 km (0.114 R)
• M19: 47,536,219 km (0.107 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: 464 - 14,507 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit