🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.52 AU - 0.8 AU

Year: 352 Days

Day: 46.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.4

Radius: 8.2

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.99 AU - 1.09 AU

Year: 696 Days

Day: 15 Hours

Environment

Temp: -160 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,759,994 km

• M1: 104,719 km (0.109 R)
• M2: 408,701 km (0.109 R)
• M3: 763,847 km (0.117 R)
• M4: 1,553,873 km (0.105 R)
• M5: 2,706,225 km (0.111 R)
• M6: 3,396,021 km (0.062 R)
• M7: 3,672,927 km (0.078 R)
• M8: 4,124,114 km (0.075 R)
• M9: 4,393,839 km (0.076 R)
• M10: 4,902,621 km (0.088 R)
• M11: 5,868,276 km (0.092 R)
• M12: 6,666,829 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.5

Radius: 10.3

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.75 AU - 2.23 AU

Year: 1842 Days

Day: 7.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 149 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,759,994 km

• M1: 128,505 km (0.097 R)
• M2: 746,493 km (0.057 R)
• M3: 1,156,691 km (0.105 R)
• M4: 1,503,309 km (0.094 R)
• M5: 1,952,103 km (0.053 R)
• M6: 2,291,989 km (0.076 R)
• M7: 2,848,942 km (0.11 R)
• M8: 3,724,239 km (0.105 R)
• M9: 4,053,055 km (0.076 R)
• M10: 5,116,546 km (0.114 R)
• M11: 5,907,470 km (0.081 R)
• M12: 6,260,222 km (0.073 R)
• M13: 6,854,126 km (0.053 R)
• M14: 8,386,157 km (0.085 R)
• M15: 9,232,582 km (0.087 R)
• M16: 10,710,609 km (0.107 R)
• M17: 11,094,776 km (0.114 R)
• M18: 12,880,077 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.6

Radius: 13.3

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.14 AU - 2.78 AU

Year: 2531 Days

Day: 12.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,759,994 km

• M1: 171,589 km (0.081 R)
• M2: 707,748 km (0.103 R)
• M3: 1,934,151 km (0.087 R)
• M4: 2,525,362 km (0.109 R)
• M5: 3,200,646 km (0.118 R)
• M6: 4,459,662 km (0.094 R)
• M7: 5,476,030 km (0.099 R)
• M8: 5,971,947 km (0.107 R)
• M9: 7,084,656 km (0.086 R)
• M10: 7,867,950 km (0.107 R)
• M11: 8,501,049 km (0.052 R)
• M12: 8,953,732 km (0.064 R)
• M13: 9,459,373 km (0.11 R)
• M14: 10,807,100 km (0.062 R)
• M15: 15,515,693 km (0.061 R)
• M16: 17,720,765 km (0.115 R)
• M17: 18,693,750 km (0.092 R)
• M18: 19,702,040 km (0.102 R)
• M19: 21,186,649 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.3

Radius: 11.5

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.99 AU - 3.13 AU

Year: 2687 Days

Day: 14.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,759,994 km

• M1: 143,913 km (0.048 R)
• M2: 518,805 km (0.036 R)
• M3: 1,106,875 km (0.119 R)
• M4: 1,505,104 km (0.057 R)
• M5: 2,441,886 km (0.115 R)
• M6: 2,964,581 km (0.101 R)
• M7: 4,029,419 km (0.093 R)
• M8: 4,407,303 km (0.062 R)
• M9: 8,927,851 km (0.106 R)
• M10: 9,870,767 km (0.075 R)
• M11: 11,243,626 km (0.066 R)
• M12: 11,997,450 km (0.103 R)
• M13: 13,282,346 km (0.09 R)
• M14: 15,454,657 km (0.099 R)
• M15: 16,812,557 km (0.11 R)
• M16: 17,191,488 km (0.096 R)
• M17: 17,575,955 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824

Radius: 8

Gravity: 12.88 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.7 AU - 3.76 AU

Year: 3808 Days

Day: 10.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,759,994 km

• M1: 101,278 km (0.094 R)
• M2: 368,460 km (0.115 R)
• M3: 697,874 km (0.097 R)
• M4: 1,354,758 km (0.073 R)
• M5: 2,466,719 km (0.091 R)
• M6: 2,765,017 km (0.108 R)
• M7: 3,106,101 km (0.11 R)
• M8: 4,277,901 km (0.094 R)
• M9: 4,886,614 km (0.06 R)
• M10: 5,468,999 km (0.098 R)
• M11: 5,720,174 km (0.057 R)
• M12: 5,979,128 km (0.117 R)
• M13: 6,367,035 km (0.08 R)
• M14: 7,632,184 km (0.102 R)
• M15: 8,124,810 km (0.109 R)
• M16: 8,713,627 km (0.096 R)
• M17: 9,934,944 km (0.068 R)
• M18: 12,092,445 km (0.103 R)
• M19: 13,007,086 km (0.12 R)
• M20: 15,082,607 km (0.092 R)
• M21: 15,578,225 km (0.097 R)
• M22: 16,027,916 km (0.117 R)
• M23: 19,551,544 km (0.048 R)
• M24: 20,877,430 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.3

Radius: 14

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.11 AU - 4.31 AU

Year: 5667 Days

Day: 10.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,759,994 km

• M1: 174,132 km (0.101 R)
• M2: 855,401 km (0.063 R)
• M3: 1,379,592 km (0.052 R)
• M4: 2,292,288 km (0.096 R)
• M5: 2,832,785 km (0.092 R)
• M6: 3,438,507 km (0.084 R)
• M7: 3,932,629 km (0.114 R)
• M8: 4,763,346 km (0.033 R)
• M9: 5,353,509 km (0.097 R)
• M10: 6,869,385 km (0.098 R)
• M11: 8,471,578 km (0.07 R)
• M12: 11,436,159 km (0.091 R)
• M13: 11,936,265 km (0.065 R)
• M14: 12,498,603 km (0.105 R)
• M15: 15,801,724 km (0.098 R)
• M16: 16,710,830 km (0.096 R)
• M17: 18,017,268 km (0.114 R)
• M18: 18,508,847 km (0.098 R)
• M19: 20,632,389 km (0.083 R)
• M20: 24,600,173 km (0.053 R)

Asteroid Belt

Center: 5.16 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.4

Radius: 3.9

Gravity: 15.15 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.24 AU - 6.96 AU

Year: 9883 Days

Day: 16.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 88,759,994 km

• M1: 49,816 km (0.029 R)
• M2: 194,178 km (0.047 R)
• M3: 337,194 km (0.101 R)
• M4: 488,138 km (0.083 R)
• M5: 615,745 km (0.101 R)
• M6: 958,174 km (0.028 R)
• M7: 1,721,423 km (0.098 R)
• M8: 1,903,932 km (0.052 R)
• M9: 3,159,507 km (0.073 R)
• M10: 3,521,384 km (0.082 R)
• M11: 4,005,782 km (0.097 R)
• M12: 4,692,287 km (0.118 R)
• M13: 5,049,377 km (0.084 R)
• M14: 5,365,477 km (0.104 R)
• M15: 5,513,430 km (0.082 R)
• M16: 6,229,405 km (0.069 R)
• M17: 6,660,396 km (0.103 R)
• M18: 7,434,865 km (0.093 R)
• M19: 8,787,678 km (0.047 R)
• M20: 9,630,064 km (0.086 R)
• M21: 10,115,658 km (0.103 R)
• M22: 11,328,149 km (0.058 R)
• M23: 12,686,348 km (0.096 R)
• M24: 13,595,006 km (0.032 R)
• M25: 14,375,308 km (0.108 R)
• M26: 16,393,832 km (0.052 R)
• M27: 18,125,278 km (0.03 R)
• M28: 18,796,524 km (0.053 R)
• M29: 21,796,559 km (0.05 R)
• M30: 25,431,937 km (0.116 R)
• M31: 26,357,350 km (0.095 R)
• M32: 27,217,986 km (0.11 R)
• M33: 32,191,367 km (0.061 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.4

Radius: 6.9

Gravity: 11.79 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 8.22 AU - 11.64 AU

Year: 20527 Days

Day: 17.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 88,759,994 km

• M1: 133,441 km (0.095 R)
• M2: 597,943 km (0.076 R)
• M3: 866,920 km (0.084 R)
• M4: 1,216,530 km (0.109 R)
• M5: 1,674,449 km (0.078 R)
• M6: 2,930,024 km (0.05 R)
• M7: 3,751,316 km (0.074 R)
• M8: 4,025,380 km (0.068 R)
• M9: 4,280,145 km (0.099 R)
• M10: 5,641,037 km (0.068 R)
• M11: 8,651,843 km (0.115 R)
• M12: 13,700,173 km (0.108 R)
• M13: 14,872,871 km (0.091 R)
• M14: 15,252,550 km (0.082 R)
• M15: 15,795,142 km (0.117 R)
• M16: 16,511,566 km (0.119 R)
• M17: 17,083,478 km (0.065 R)
• M18: 17,923,470 km (0.098 R)
• M19: 25,443,007 km (0.101 R)
• M20: 26,096,002 km (0.099 R)
• M21: 29,055,048 km (0.092 R)
• M22: 34,692,045 km (0.076 R)
• M23: 35,091,921 km (0.059 R)
• M24: 37,415,774 km (0.049 R)
• M25: 39,549,787 km (0.102 R)
• M26: 43,284,498 km (0.088 R)
• M27: 52,665,033 km (0.093 R)
• M28: 53,016,737 km (0.112 R)
• M29: 53,902,806 km (0.081 R)
• M30: 57,174,661 km (0.056 R)
• M31: 59,048,224 km (0.114 R)
• M32: 68,823,548 km (0.094 R)
• M33: 71,586,919 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.7

Radius: 4.6

Gravity: 36.28 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 8.7 AU - 13.22 AU

Year: 23803 Days

Day: 24.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 88,759,994 km

• M1: 58,642 km (0.099 R)
• M2: 290,369 km (0.076 R)
• M3: 574,456 km (0.097 R)
• M4: 735,423 km (0.098 R)
• M5: 1,054,216 km (0.112 R)
• M6: 1,268,141 km (0.1 R)
• M7: 2,025,406 km (0.088 R)
• M8: 2,909,679 km (0.077 R)
• M9: 3,074,236 km (0.071 R)
• M10: 4,623,472 km (0.036 R)
• M11: 5,119,239 km (0.09 R)
• M12: 5,906,274 km (0.118 R)
• M13: 10,815,776 km (0.112 R)
• M14: 11,078,620 km (0.095 R)
• M15: 12,102,767 km (0.065 R)
• M16: 13,716,629 km (0.117 R)
• M17: 14,895,759 km (0.054 R)
• M18: 17,274,814 km (0.087 R)
• M19: 17,906,865 km (0.092 R)
• M20: 25,327,817 km (0.048 R)
• M21: 26,025,392 km (0.052 R)
• M22: 26,497,523 km (0.096 R)
• M23: 27,216,341 km (0.083 R)
• M24: 28,567,957 km (0.034 R)
• M25: 29,196,867 km (0.075 R)
• M26: 36,147,633 km (0.098 R)
• M27: 38,842,040 km (0.109 R)
• M28: 41,989,579 km (0.044 R)
• M29: 44,964,034 km (0.084 R)
• M30: 50,593,252 km (0.118 R)
• M31: 51,328,226 km (0.109 R)
• M32: 52,070,381 km (0.109 R)
• M33: 52,631,672 km (0.099 R)
• M34: 65,587,596 km (0.053 R)
• M35: 76,108,814 km (0.067 R)
• M36: 79,520,843 km (0.103 R)
• M37: 85,864,839 km (0.084 R)
• M38: 88,760,007 km (0.112 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: 500 - 15,968 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit