🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.4

Radius: 9.4

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.67 AU - 1.03 AU

Year: 532 Days

Day: 13.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,314,989 km

• M1: 116,836 km (0.092 R)
• M2: 517,758 km (0.114 R)
• M3: 857,645 km (0.084 R)
• M4: 1,158,187 km (0.06 R)
• M5: 1,771,688 km (0.079 R)
• M6: 2,169,618 km (0.118 R)
• M7: 2,532,094 km (0.068 R)
• M8: 2,903,994 km (0.099 R)
• M9: 3,346,205 km (0.091 R)
• M10: 4,060,984 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.2

Radius: 14

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.81 AU - 1.01 AU

Year: 589 Days

Day: 7.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,314,989 km

• M1: 174,431 km (0.095 R)
• M2: 705,504 km (0.076 R)
• M3: 1,145,471 km (0.089 R)
• M4: 1,808,638 km (0.119 R)
• M5: 2,328,790 km (0.111 R)
• M6: 2,854,028 km (0.082 R)
• M7: 3,554,894 km (0.047 R)
• M8: 5,548,286 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.3

Radius: 11.6

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.45 AU - 1.73 AU

Year: 1360 Days

Day: 13.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,314,989 km

• M1: 144,362 km (0.1 R)
• M2: 527,183 km (0.081 R)
• M3: 962,513 km (0.074 R)
• M4: 1,620,145 km (0.099 R)
• M5: 2,028,996 km (0.115 R)
• M6: 2,413,911 km (0.092 R)
• M7: 3,490,268 km (0.079 R)
• M8: 4,303,332 km (0.067 R)
• M9: 5,991,395 km (0.095 R)
• M10: 7,375,325 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.2

Radius: 9.2

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.4 AU - 2.18 AU

Year: 1624 Days

Day: 9.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,314,989 km

• M1: 117,135 km (0.117 R)
• M2: 478,414 km (0.1 R)
• M3: 809,175 km (0.081 R)
• M4: 1,193,043 km (0.073 R)
• M5: 1,894,807 km (0.107 R)
• M6: 2,585,051 km (0.095 R)
• M7: 3,931,731 km (0.049 R)
• M8: 4,636,337 km (0.089 R)
• M9: 4,944,958 km (0.119 R)
• M10: 5,445,063 km (0.062 R)
• M11: 6,074,870 km (0.102 R)
• M12: 7,015,691 km (0.098 R)
• M13: 8,712,580 km (0.115 R)
• M14: 9,056,805 km (0.047 R)
• M15: 9,639,788 km (0.078 R)
• M16: 10,631,621 km (0.089 R)
• M17: 12,264,033 km (0.111 R)
• M18: 13,386,017 km (0.106 R)
• M19: 14,575,171 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.4

Radius: 13.5

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.83 AU - 2.55 AU

Year: 2198 Days

Day: 6.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 135.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,314,989 km

• M1: 167,849 km (0.096 R)
• M2: 610,659 km (0.094 R)
• M3: 1,227,451 km (0.103 R)
• M4: 2,133,714 km (0.101 R)
• M5: 2,557,076 km (0.079 R)
• M6: 3,200,497 km (0.074 R)
• M7: 3,863,215 km (0.092 R)
• M8: 4,754,071 km (0.116 R)
• M9: 5,227,398 km (0.069 R)
• M10: 6,008,598 km (0.12 R)
• M11: 7,125,795 km (0.047 R)
• M12: 7,916,420 km (0.109 R)
• M13: 10,816,225 km (0.11 R)
• M14: 12,427,394 km (0.095 R)
• M15: 13,573,464 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.4

Radius: 10.5

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.01 AU - 4.75 AU

Year: 6217 Days

Day: 7.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,314,989 km

• M1: 134,488 km (0.028 R)
• M2: 839,394 km (0.086 R)
• M3: 1,810,733 km (0.058 R)
• M4: 2,357,064 km (0.098 R)
• M5: 2,696,502 km (0.036 R)
• M6: 4,010,719 km (0.102 R)
• M7: 7,095,128 km (0.115 R)
• M8: 13,733,234 km (0.11 R)
• M9: 16,680,163 km (0.118 R)
• M10: 19,816,482 km (0.038 R)
• M11: 20,587,061 km (0.104 R)
• M12: 21,596,397 km (0.029 R)
• M13: 23,558,074 km (0.062 R)
• M14: 24,027,213 km (0.098 R)
• M15: 25,966,002 km (0.065 R)
• M16: 31,453,850 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.8

Radius: 3.5

Gravity: 16.96 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.52 AU - 7.06 AU

Year: 9450 Days

Day: 22.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,314,989 km

• M1: 43,832 km (0.064 R)
• M2: 177,722 km (0.072 R)
• M3: 896,540 km (0.102 R)
• M4: 1,838,558 km (0.118 R)
• M5: 2,070,584 km (0.097 R)
• M6: 2,338,065 km (0.055 R)
• M7: 2,699,793 km (0.077 R)
• M8: 5,029,480 km (0.054 R)
• M9: 6,867,889 km (0.1 R)
• M10: 11,128,137 km (0.104 R)
• M11: 12,901,320 km (0.077 R)
• M12: 13,109,261 km (0.114 R)
• M13: 14,182,626 km (0.078 R)
• M14: 16,019,688 km (0.1 R)
• M15: 16,747,482 km (0.077 R)
• M16: 21,005,486 km (0.09 R)
• M17: 21,876,744 km (0.055 R)
• M18: 25,035,353 km (0.118 R)
• M19: 26,680,780 km (0.093 R)
• M20: 27,188,216 km (0.096 R)
• M21: 29,821,737 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 973.6

Radius: 3.2

Gravity: 95.08 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 6.17 AU - 7.09 AU

Year: 11579 Days

Day: 18.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 79,314,989 km

• M1: 39,793 km (0.043 R)
• M2: 144,960 km (0.111 R)
• M3: 440,715 km (0.078 R)
• M4: 574,157 km (0.105 R)
• M5: 734,376 km (0.092 R)
• M6: 1,059,602 km (0.042 R)
• M7: 1,357,451 km (0.068 R)
• M8: 1,595,611 km (0.08 R)
• M9: 3,047,907 km (0.108 R)
• M10: 3,402,454 km (0.05 R)
• M11: 3,755,655 km (0.064 R)
• M12: 5,895,802 km (0.055 R)
• M13: 8,438,068 km (0.103 R)
• M14: 9,653,102 km (0.067 R)
• M15: 10,191,953 km (0.055 R)
• M16: 11,270,704 km (0.029 R)
• M17: 12,549,017 km (0.082 R)
• M18: 12,675,577 km (0.07 R)
• M19: 15,245,369 km (0.044 R)
• M20: 15,753,703 km (0.084 R)
• M21: 17,035,458 km (0.072 R)
• M22: 19,211,209 km (0.116 R)
• M23: 19,975,654 km (0.088 R)
• M24: 22,021,106 km (0.116 R)
• M25: 23,619,709 km (0.103 R)
• M26: 25,801,145 km (0.073 R)
• M27: 28,986,831 km (0.033 R)
• M28: 30,788,439 km (0.033 R)
• M29: 33,385,607 km (0.115 R)
• M30: 36,381,305 km (0.107 R)
• M31: 37,418,317 km (0.1 R)
• M32: 37,812,208 km (0.099 R)
• M33: 38,608,368 km (0.036 R)
• M34: 39,823,402 km (0.082 R)
• M35: 40,371,529 km (0.118 R)
• M36: 42,329,466 km (0.114 R)
• M37: 43,331,771 km (0.081 R)
• M38: 43,911,613 km (0.066 R)
• M39: 45,383,656 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976.6

Radius: 6.3

Gravity: 24.61 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 7.56 AU - 10.12 AU

Year: 17827 Days

Day: 18.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 79,314,989 km

• M1: 78,688 km (0.048 R)
• M2: 319,840 km (0.065 R)
• M3: 750,981 km (0.091 R)
• M4: 1,055,114 km (0.082 R)
• M5: 1,454,989 km (0.04 R)
• M6: 1,762,413 km (0.101 R)
• M7: 2,798,378 km (0.085 R)
• M8: 3,084,110 km (0.066 R)
• M9: 3,868,451 km (0.117 R)
• M10: 5,225,902 km (0.098 R)
• M11: 6,203,973 km (0.092 R)
• M12: 6,967,072 km (0.066 R)
• M13: 7,493,058 km (0.086 R)
• M14: 8,200,357 km (0.119 R)
• M15: 9,174,089 km (0.055 R)
• M16: 14,293,927 km (0.068 R)
• M17: 15,299,673 km (0.073 R)
• M18: 16,023,129 km (0.111 R)
• M19: 16,601,325 km (0.074 R)
• M20: 19,703,087 km (0.09 R)
• M21: 19,985,677 km (0.115 R)
• M22: 21,538,802 km (0.086 R)
• M23: 21,838,746 km (0.101 R)
• M24: 25,213,375 km (0.109 R)
• M25: 28,678,361 km (0.07 R)
• M26: 29,407,501 km (0.117 R)
• M27: 29,653,290 km (0.069 R)
• M28: 30,776,172 km (0.094 R)
• M29: 32,186,879 km (0.05 R)
• M30: 38,261,750 km (0.119 R)
• M31: 39,293,676 km (0.119 R)
• M32: 51,896,848 km (0.092 R)
• M33: 54,075,890 km (0.088 R)
• M34: 54,630,001 km (0.057 R)
• M35: 58,809,915 km (0.104 R)
• M36: 61,577,924 km (0.109 R)
• M37: 69,526,658 km (0.066 R)
• M38: 74,883,757 km (0.049 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 14,564 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit