🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.1

Radius: 11.1

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.42 AU - 0.6 AU

Year: 256 Days

Day: 10.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,039,207 km

• M1: 138,079 km (0.078 R)
• M2: 585,526 km (0.085 R)
• M3: 1,013,226 km (0.074 R)
• M4: 1,554,322 km (0.113 R)
• M5: 1,920,687 km (0.094 R)
• M6: 2,282,116 km (0.079 R)
• M7: 2,796,433 km (0.078 R)
• M8: 3,449,428 km (0.117 R)
• M9: 3,818,336 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.7

Radius: 9.5

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.66 AU - 0.78 AU

Year: 429 Days

Day: 5.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,039,207 km

• M1: 118,332 km (0.078 R)
• M2: 414,984 km (0.117 R)
• M3: 760,855 km (0.082 R)
• M4: 1,094,608 km (0.065 R)
• M5: 1,586,785 km (0.098 R)
• M6: 2,000,273 km (0.11 R)
• M7: 2,476,443 km (0.072 R)
• M8: 2,849,989 km (0.115 R)
• M9: 3,475,907 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.5

Radius: 8.3

Gravity: 11.92 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.74 AU - 0.88 AU

Year: 512 Days

Day: 7.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,039,207 km

• M1: 103,223 km (0.1 R)
• M2: 517,010 km (0.113 R)
• M3: 1,005,447 km (0.115 R)
• M4: 1,293,124 km (0.081 R)
• M5: 1,598,453 km (0.109 R)
• M6: 1,917,994 km (0.092 R)
• M7: 2,387,283 km (0.05 R)
• M8: 2,719,540 km (0.078 R)
• M9: 3,070,646 km (0.105 R)
• M10: 3,464,687 km (0.079 R)
• M11: 3,920,063 km (0.076 R)
• M12: 4,324,575 km (0.11 R)
• M13: 4,630,353 km (0.109 R)
• M14: 5,816,365 km (0.103 R)
• M15: 6,421,339 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.9

Radius: 11.1

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.91 AU - 0.93 AU

Year: 620 Days

Day: 8.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,039,207 km

• M1: 138,079 km (0.109 R)
• M2: 805,734 km (0.102 R)
• M3: 1,184,965 km (0.052 R)
• M4: 1,720,675 km (0.082 R)
• M5: 2,122,943 km (0.099 R)
• M6: 2,771,749 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.3

Radius: 10.5

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.8 AU - 1.84 AU

Year: 1726 Days

Day: 6.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 56.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,039,207 km

• M1: 130,599 km (0.079 R)
• M2: 555,307 km (0.059 R)
• M3: 898,335 km (0.109 R)
• M4: 1,296,116 km (0.084 R)
• M5: 1,811,630 km (0.079 R)
• M6: 3,606,356 km (0.088 R)
• M7: 4,149,845 km (0.096 R)
• M8: 6,647,232 km (0.1 R)
• M9: 7,440,250 km (0.11 R)
• M10: 8,833,006 km (0.11 R)
• M11: 10,984,373 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.8

Radius: 12.4

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.11 AU - 3.29 AU

Year: 3119 Days

Day: 6.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,039,207 km

• M1: 154,235 km (0.115 R)
• M2: 645,515 km (0.115 R)
• M3: 1,442,423 km (0.108 R)
• M4: 1,889,122 km (0.105 R)
• M5: 2,728,366 km (0.085 R)
• M6: 3,260,486 km (0.085 R)
• M7: 4,043,331 km (0.069 R)
• M8: 4,490,928 km (0.092 R)
• M9: 5,261,357 km (0.106 R)
• M10: 6,508,854 km (0.037 R)
• M11: 8,042,681 km (0.106 R)
• M12: 8,512,568 km (0.116 R)
• M13: 9,360,788 km (0.112 R)
• M14: 12,421,410 km (0.091 R)
• M15: 13,419,228 km (0.118 R)
• M16: 15,420,399 km (0.026 R)
• M17: 16,465,789 km (0.112 R)
• M18: 18,465,464 km (0.101 R)
• M19: 20,560,283 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399

Radius: 3.1

Gravity: 41.52 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.42 AU - 6.62 AU

Year: 9116 Days

Day: 20 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 71,039,207 km

• M1: 38,596 km (0.071 R)
• M2: 155,582 km (0.101 R)
• M3: 308,770 km (0.103 R)
• M4: 412,142 km (0.077 R)
• M5: 846,275 km (0.096 R)
• M6: 1,836,912 km (0.077 R)
• M7: 2,610,932 km (0.112 R)
• M8: 2,725,823 km (0.054 R)
• M9: 2,864,051 km (0.09 R)
• M10: 3,027,861 km (0.107 R)
• M11: 3,419,209 km (0.096 R)
• M12: 4,068,015 km (0.049 R)
• M13: 4,301,388 km (0.044 R)
• M14: 5,731,543 km (0.1 R)
• M15: 6,091,326 km (0.079 R)
• M16: 6,928,326 km (0.047 R)
• M17: 7,261,032 km (0.108 R)
• M18: 10,411,563 km (0.032 R)
• M19: 11,499,140 km (0.099 R)
• M20: 12,989,882 km (0.107 R)
• M21: 13,101,034 km (0.08 R)
• M22: 13,381,829 km (0.11 R)
• M23: 14,366,183 km (0.074 R)
• M24: 14,785,206 km (0.046 R)
• M25: 15,773,450 km (0.027 R)
• M26: 15,963,589 km (0.119 R)
• M27: 18,858,607 km (0.102 R)
• M28: 19,505,917 km (0.119 R)
• M29: 22,243,259 km (0.11 R)
• M30: 22,642,685 km (0.074 R)
• M31: 30,085,777 km (0.106 R)
• M32: 30,574,065 km (0.107 R)
• M33: 30,770,936 km (0.119 R)
• M34: 31,566,497 km (0.097 R)
• M35: 32,070,642 km (0.105 R)
• M36: 33,824,976 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 326.8

Radius: 3.6

Gravity: 25.22 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.19 AU - 6.21 AU

Year: 9566 Days

Day: 23.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,039,207 km

• M1: 45,179 km (0.118 R)
• M2: 188,045 km (0.032 R)
• M3: 431,440 km (0.097 R)
• M4: 697,874 km (0.085 R)
• M5: 1,234,781 km (0.114 R)
• M6: 1,410,110 km (0.117 R)
• M7: 2,334,325 km (0.092 R)
• M8: 2,566,202 km (0.046 R)
• M9: 5,092,461 km (0.111 R)
• M10: 6,948,971 km (0.113 R)
• M11: 7,094,081 km (0.054 R)
• M12: 7,967,882 km (0.109 R)
• M13: 9,564,989 km (0.107 R)
• M14: 9,880,790 km (0.114 R)
• M15: 10,110,722 km (0.038 R)
• M16: 11,214,006 km (0.095 R)
• M17: 11,413,719 km (0.081 R)
• M18: 11,820,326 km (0.055 R)
• M19: 12,079,280 km (0.116 R)
• M20: 12,933,484 km (0.096 R)
• M21: 13,153,094 km (0.104 R)
• M22: 13,487,295 km (0.111 R)
• M23: 13,599,942 km (0.095 R)
• M24: 14,056,814 km (0.117 R)
• M25: 17,950,398 km (0.049 R)
• M26: 21,801,496 km (0.05 R)
• M27: 23,795,037 km (0.107 R)
• M28: 25,647,059 km (0.117 R)
• M29: 26,255,922 km (0.112 R)
• M30: 30,016,962 km (0.094 R)
• M31: 30,209,046 km (0.036 R)
• M32: 30,790,383 km (0.092 R)
• M33: 34,435,635 km (0.092 R)
• M34: 34,857,650 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.3

Radius: 4

Gravity: 32.08 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 8.31 AU - 10.85 AU

Year: 20843 Days

Day: 15.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 71,039,207 km

• M1: 49,816 km (0.106 R)
• M2: 209,287 km (0.094 R)
• M3: 417,378 km (0.113 R)
• M4: 880,084 km (0.101 R)
• M5: 1,675,795 km (0.097 R)
• M6: 2,005,060 km (0.043 R)
• M7: 4,835,751 km (0.074 R)
• M8: 4,978,318 km (0.117 R)
• M9: 5,893,109 km (0.08 R)
• M10: 6,096,861 km (0.084 R)
• M11: 7,233,506 km (0.029 R)
• M12: 7,900,563 km (0.09 R)
• M13: 10,322,103 km (0.109 R)
• M14: 11,732,213 km (0.052 R)
• M15: 12,785,681 km (0.065 R)
• M16: 13,900,634 km (0.078 R)
• M17: 14,852,974 km (0.062 R)
• M18: 19,816,482 km (0.09 R)
• M19: 19,998,543 km (0.06 R)
• M20: 20,738,454 km (0.099 R)
• M21: 21,305,280 km (0.111 R)
• M22: 22,767,300 km (0.119 R)
• M23: 24,294,993 km (0.091 R)
• M24: 25,565,229 km (0.037 R)
• M25: 28,816,439 km (0.055 R)
• M26: 32,458,848 km (0.058 R)
• M27: 38,056,651 km (0.115 R)
• M28: 40,787,560 km (0.106 R)
• M29: 49,089,793 km (0.1 R)
• M30: 50,772,919 km (0.078 R)
• M31: 51,114,152 km (0.056 R)
• M32: 53,193,412 km (0.092 R)
• M33: 54,610,553 km (0.086 R)
• M34: 56,416,947 km (0.052 R)
• M35: 60,914,308 km (0.082 R)
• M36: 61,299,523 km (0.116 R)
• M37: 62,074,888 km (0.07 R)
• M38: 64,839,906 km (0.095 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 12,920 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit