🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.6 AU - 0.64 AU

Year: 320 Days

Day: 40.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.51 AU - 0.81 AU

Year: 352 Days

Day: 42.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 46.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.2

Radius: 14

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.91 AU - 1.23 AU

Year: 726 Days

Day: 5.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 115.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,172,855 km

• M1: 174,581 km (0.102 R)
• M2: 438,471 km (0.076 R)
• M3: 764,595 km (0.119 R)
• M4: 1,372,411 km (0.071 R)
• M5: 1,826,291 km (0.094 R)
• M6: 2,604,798 km (0.09 R)
• M7: 3,008,114 km (0.068 R)
• M8: 3,624,756 km (0.068 R)
• M9: 3,939,660 km (0.074 R)
• M10: 4,201,606 km (0.041 R)
• M11: 4,564,530 km (0.033 R)
• M12: 4,955,130 km (0.075 R)
• M13: 5,249,539 km (0.081 R)
• M14: 6,281,315 km (0.102 R)
• M15: 6,669,821 km (0.104 R)
• M16: 7,815,292 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.2

Radius: 9.1

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.24 AU - 1.38 AU

Year: 984 Days

Day: 8.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,172,855 km

• M1: 113,844 km (0.11 R)
• M2: 312,809 km (0.095 R)
• M3: 537,954 km (0.063 R)
• M4: 942,018 km (0.079 R)
• M5: 1,115,402 km (0.116 R)
• M6: 1,372,112 km (0.031 R)
• M7: 1,936,993 km (0.101 R)
• M8: 2,142,092 km (0.092 R)
• M9: 2,833,832 km (0.091 R)
• M10: 3,728,577 km (0.088 R)
• M11: 4,423,459 km (0.099 R)
• M12: 4,649,502 km (0.113 R)
• M13: 4,925,510 km (0.053 R)
• M14: 5,164,118 km (0.115 R)
• M15: 5,802,153 km (0.109 R)
• M16: 6,028,794 km (0.06 R)
• M17: 6,546,253 km (0.094 R)
• M18: 6,996,992 km (0.092 R)
• M19: 7,317,879 km (0.11 R)
• M20: 7,627,696 km (0.066 R)
• M21: 8,190,483 km (0.063 R)
• M22: 8,615,940 km (0.103 R)
• M23: 9,335,954 km (0.089 R)
• M24: 10,775,535 km (0.103 R)
• M25: 11,040,472 km (0.118 R)
• M26: 11,218,943 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.6

Radius: 15

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.74 AU - 2.3 AU

Year: 1883 Days

Day: 13.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,172,855 km

• M1: 186,698 km (0.117 R)
• M2: 943,663 km (0.106 R)
• M3: 1,803,851 km (0.097 R)
• M4: 2,755,144 km (0.057 R)
• M5: 3,465,883 km (0.1 R)
• M6: 4,218,510 km (0.117 R)
• M7: 5,098,146 km (0.108 R)
• M8: 5,744,558 km (0.053 R)
• M9: 7,059,075 km (0.092 R)
• M10: 9,102,432 km (0.097 R)
• M11: 10,318,364 km (0.039 R)
• M12: 10,992,003 km (0.099 R)
• M13: 11,386,642 km (0.099 R)
• M14: 11,864,458 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.4

Radius: 8.5

Gravity: 12.14 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.91 AU - 2.65 AU

Year: 2258 Days

Day: 11.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,172,855 km

• M1: 106,364 km (0.11 R)
• M2: 309,368 km (0.109 R)
• M3: 482,004 km (0.101 R)
• M4: 660,624 km (0.11 R)
• M5: 843,283 km (0.083 R)
• M6: 2,209,261 km (0.08 R)
• M7: 2,791,347 km (0.109 R)
• M8: 3,086,204 km (0.108 R)
• M9: 3,286,067 km (0.113 R)
• M10: 3,639,267 km (0.118 R)
• M11: 3,805,919 km (0.079 R)
• M12: 4,621,976 km (0.041 R)
• M13: 4,848,168 km (0.109 R)
• M14: 6,191,407 km (0.112 R)
• M15: 6,497,784 km (0.116 R)
• M16: 6,994,598 km (0.112 R)
• M17: 7,509,813 km (0.089 R)
• M18: 7,847,456 km (0.04 R)
• M19: 8,192,578 km (0.12 R)
• M20: 8,931,442 km (0.074 R)
• M21: 10,534,383 km (0.102 R)
• M22: 11,548,357 km (0.116 R)
• M23: 12,485,737 km (0.069 R)
• M24: 12,889,951 km (0.085 R)
• M25: 13,652,900 km (0.087 R)
• M26: 14,805,402 km (0.115 R)
• M27: 14,973,849 km (0.097 R)
• M28: 15,382,102 km (0.087 R)
• M29: 15,622,805 km (0.097 R)
• M30: 15,935,165 km (0.099 R)
• M31: 16,427,043 km (0.088 R)
• M32: 16,854,594 km (0.082 R)
• M33: 17,910,904 km (0.111 R)
• M34: 18,133,356 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951.3

Radius: 6.7

Gravity: 21.19 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.91 AU - 7.03 AU

Year: 12071 Days

Day: 16.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 58,172,855 km

• M1: 83,326 km (0.115 R)
• M2: 397,182 km (0.074 R)
• M3: 618,288 km (0.105 R)
• M4: 842,834 km (0.09 R)
• M5: 1,059,901 km (0.115 R)
• M6: 1,427,463 km (0.049 R)
• M7: 2,652,669 km (0.111 R)
• M8: 3,067,205 km (0.113 R)
• M9: 3,258,391 km (0.117 R)
• M10: 3,958,808 km (0.118 R)
• M11: 4,464,449 km (0.073 R)
• M12: 4,796,257 km (0.113 R)
• M13: 5,789,737 km (0.071 R)
• M14: 6,636,910 km (0.1 R)
• M15: 6,918,752 km (0.034 R)
• M16: 7,542,575 km (0.117 R)
• M17: 8,061,380 km (0.069 R)
• M18: 11,330,393 km (0.088 R)
• M19: 12,453,125 km (0.102 R)
• M20: 13,514,821 km (0.1 R)
• M21: 13,686,560 km (0.079 R)
• M22: 14,325,193 km (0.056 R)
• M23: 14,620,350 km (0.117 R)
• M24: 16,266,524 km (0.102 R)
• M25: 17,413,043 km (0.045 R)
• M26: 18,732,945 km (0.091 R)
• M27: 20,101,316 km (0.113 R)
• M28: 20,874,588 km (0.1 R)
• M29: 22,686,367 km (0.088 R)
• M30: 23,057,819 km (0.07 R)
• M31: 24,573,844 km (0.092 R)
• M32: 25,821,640 km (0.077 R)
• M33: 29,244,439 km (0.097 R)
• M34: 31,907,730 km (0.119 R)
• M35: 40,993,108 km (0.032 R)
• M36: 45,280,583 km (0.119 R)
• M37: 52,224,467 km (0.069 R)
• M38: 54,037,892 km (0.116 R)
• M39: 54,841,083 km (0.099 R)
• M40: 59,304,485 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.8

Radius: 4

Gravity: 18.86 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.9 AU - 8.46 AU

Year: 13962 Days

Day: 23.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,172,855 km

• M1: 85,420 km (0.117 R)
• M2: 187,446 km (0.067 R)
• M3: 1,259,016 km (0.103 R)
• M4: 1,658,292 km (0.051 R)
• M5: 2,095,268 km (0.039 R)
• M6: 2,804,062 km (0.066 R)
• M7: 3,694,768 km (0.048 R)
• M8: 7,295,439 km (0.096 R)
• M9: 8,309,264 km (0.1 R)
• M10: 9,103,030 km (0.102 R)
• M11: 10,232,345 km (0.04 R)
• M12: 11,201,589 km (0.116 R)
• M13: 12,690,088 km (0.119 R)
• M14: 13,419,827 km (0.097 R)
• M15: 14,220,923 km (0.11 R)
• M16: 15,839,123 km (0.106 R)
• M17: 17,714,632 km (0.091 R)
• M18: 18,517,524 km (0.106 R)
• M19: 20,971,378 km (0.097 R)
• M20: 21,281,045 km (0.037 R)
• M21: 21,718,469 km (0.103 R)
• M22: 23,578,270 km (0.095 R)
• M23: 24,636,974 km (0.095 R)
• M24: 25,175,227 km (0.113 R)
• M25: 33,398,772 km (0.045 R)
• M26: 37,491,022 km (0.087 R)
• M27: 38,991,787 km (0.098 R)
• M28: 43,493,337 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 518.6

Radius: 6.1

Gravity: 13.94 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 10.13 AU - 11.33 AU

Year: 23057 Days

Day: 15.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 58,172,855 km

• M1: 127,308 km (0.081 R)
• M2: 837,598 km (0.105 R)
• M3: 1,343,389 km (0.082 R)
• M4: 2,225,717 km (0.084 R)
• M5: 3,531,707 km (0.077 R)
• M6: 4,035,552 km (0.091 R)
• M7: 4,282,389 km (0.092 R)
• M8: 5,067,777 km (0.113 R)
• M9: 6,570,488 km (0.103 R)
• M10: 7,254,898 km (0.105 R)
• M11: 7,538,237 km (0.12 R)
• M12: 9,300,500 km (0.086 R)
• M13: 13,640,633 km (0.087 R)
• M14: 15,091,882 km (0.044 R)
• M15: 17,919,282 km (0.09 R)
• M16: 18,364,485 km (0.032 R)
• M17: 19,655,515 km (0.1 R)
• M18: 19,965,631 km (0.118 R)
• M19: 22,617,552 km (0.098 R)
• M20: 22,866,783 km (0.07 R)
• M21: 23,538,327 km (0.096 R)
• M22: 25,084,870 km (0.107 R)
• M23: 25,347,414 km (0.074 R)
• M24: 29,829,965 km (0.11 R)
• M25: 35,608,632 km (0.086 R)
• M26: 36,974,161 km (0.051 R)
• M27: 38,257,411 km (0.086 R)
• M28: 38,581,740 km (0.077 R)
• M29: 40,556,132 km (0.117 R)
• M30: 44,303,858 km (0.054 R)
• M31: 45,120,214 km (0.087 R)
• M32: 45,590,101 km (0.106 R)
• M33: 50,298,544 km (0.115 R)
• M34: 53,183,988 km (0.097 R)
• M35: 58,394,033 km (0.081 R)
• M36: 58,928,396 km (0.068 R)
• M37: 60,139,840 km (0.101 R)
• M38: 63,152,741 km (0.101 R)
• M39: 64,546,694 km (0.112 R)
• M40: 65,390,426 km (0.118 R)
• M41: 65,531,497 km (0.106 R)
• M42: 66,097,575 km (0.098 R)
• M43: 67,523,542 km (0.058 R)
• M44: 70,567,560 km (0.05 R)
• M45: 72,040,650 km (0.116 R)
• M46: 72,634,254 km (0.101 R)
• M47: 73,080,953 km (0.116 R)
• M48: 74,429,429 km (0.069 R)
• M49: 74,579,924 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.5

Radius: 3.5

Gravity: 18.49 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 8.31 AU - 13.27 AU

Year: 23251 Days

Day: 24.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 58,172,855 km

• M1: 99,333 km (0.069 R)
• M2: 245,939 km (0.066 R)
• M3: 370,554 km (0.094 R)
• M4: 483,500 km (0.114 R)
• M5: 908,657 km (0.063 R)
• M6: 1,664,725 km (0.111 R)
• M7: 2,098,110 km (0.103 R)
• M8: 2,534,338 km (0.102 R)
• M9: 2,755,593 km (0.077 R)
• M10: 3,065,260 km (0.118 R)
• M11: 3,942,951 km (0.11 R)
• M12: 4,187,544 km (0.042 R)
• M13: 4,503,793 km (0.119 R)
• M14: 8,481,601 km (0.075 R)
• M15: 8,794,560 km (0.096 R)
• M16: 13,886,722 km (0.102 R)
• M17: 14,575,919 km (0.082 R)
• M18: 17,182,961 km (0.11 R)
• M19: 18,142,931 km (0.11 R)
• M20: 18,338,006 km (0.082 R)
• M21: 20,900,319 km (0.098 R)
• M22: 21,673,440 km (0.09 R)
• M23: 23,115,115 km (0.089 R)
• M24: 26,137,740 km (0.097 R)
• M25: 30,261,555 km (0.09 R)
• M26: 31,617,510 km (0.074 R)
• M27: 36,598,072 km (0.098 R)
• M28: 40,282,069 km (0.077 R)
• M29: 40,669,827 km (0.088 R)
• M30: 42,041,938 km (0.078 R)
• M31: 44,244,169 km (0.118 R)
• M32: 44,752,502 km (0.108 R)
• M33: 46,295,006 km (0.111 R)
• M34: 47,863,540 km (0.107 R)
• M35: 48,923,889 km (0.114 R)
• M36: 50,644,414 km (0.079 R)
• M37: 52,284,605 km (0.059 R)
• M38: 54,737,412 km (0.071 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 20,052 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit