🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.4

Radius: 10.9

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.72 AU - 0.9 AU

Year: 503 Days

Day: 12.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,511,300 km

• M1: 135,685 km (0.051 R)
• M2: 584,030 km (0.106 R)
• M3: 1,017,714 km (0.095 R)
• M4: 1,393,953 km (0.085 R)
• M5: 1,771,239 km (0.089 R)
• M6: 2,382,496 km (0.061 R)
• M7: 2,738,239 km (0.114 R)
• M8: 3,256,596 km (0.107 R)
• M9: 3,633,732 km (0.076 R)
• M10: 4,108,406 km (0.089 R)
• M11: 4,520,399 km (0.098 R)
• M12: 4,882,276 km (0.083 R)
• M13: 5,613,511 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639

Radius: 13.1

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.26 AU - 1.28 AU

Year: 988 Days

Day: 5.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,511,300 km

• M1: 162,912 km (0.091 R)
• M2: 603,478 km (0.09 R)
• M3: 1,453,643 km (0.094 R)
• M4: 1,873,564 km (0.054 R)
• M5: 2,442,036 km (0.115 R)
• M6: 2,942,441 km (0.12 R)
• M7: 3,383,305 km (0.097 R)
• M8: 4,168,844 km (0.062 R)
• M9: 5,874,409 km (0.098 R)
• M10: 6,381,845 km (0.083 R)
• M11: 6,872,526 km (0.119 R)
• M12: 7,631,436 km (0.097 R)
• M13: 8,684,755 km (0.079 R)
• M14: 9,601,042 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.5

Radius: 10.1

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.7 AU - 2.88 AU

Year: 3217 Days

Day: 13.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 69.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,511,300 km

• M1: 125,662 km (0.086 R)
• M2: 649,554 km (0.066 R)
• M3: 1,358,648 km (0.087 R)
• M4: 1,800,111 km (0.071 R)
• M5: 2,146,281 km (0.116 R)
• M6: 2,551,092 km (0.109 R)
• M7: 3,930,235 km (0.118 R)
• M8: 5,144,372 km (0.115 R)
• M9: 8,203,050 km (0.116 R)
• M10: 10,060,457 km (0.066 R)
• M11: 11,239,587 km (0.074 R)
• M12: 11,744,181 km (0.065 R)
• M13: 12,385,806 km (0.078 R)
• M14: 13,914,846 km (0.096 R)
• M15: 15,235,197 km (0.096 R)
• M16: 16,389,644 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.9

Radius: 9.3

Gravity: 10.66 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.15 AU - 3.15 AU

Year: 3859 Days

Day: 10.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 83 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,511,300 km

• M1: 120,875 km (0.106 R)
• M2: 526,435 km (0.101 R)
• M3: 955,930 km (0.095 R)
• M4: 1,722,320 km (0.081 R)
• M5: 2,155,855 km (0.098 R)
• M6: 2,446,972 km (0.053 R)
• M7: 3,185,836 km (0.105 R)
• M8: 3,670,833 km (0.071 R)
• M9: 5,594,362 km (0.108 R)
• M10: 6,773,492 km (0.114 R)
• M11: 7,438,754 km (0.118 R)
• M12: 8,183,602 km (0.08 R)
• M13: 10,241,321 km (0.082 R)
• M14: 11,481,637 km (0.054 R)
• M15: 11,853,836 km (0.113 R)
• M16: 12,378,625 km (0.091 R)
• M17: 12,819,490 km (0.058 R)
• M18: 15,858,870 km (0.092 R)
• M19: 16,262,635 km (0.087 R)
• M20: 18,511,241 km (0.119 R)
• M21: 19,023,314 km (0.107 R)
• M22: 19,544,962 km (0.085 R)
• M23: 20,076,034 km (0.067 R)
• M24: 20,480,547 km (0.102 R)
• M25: 21,166,902 km (0.112 R)
• M26: 21,868,666 km (0.116 R)
• M27: 24,218,399 km (0.057 R)
• M28: 27,385,985 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.5

Radius: 10.9

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.21 AU - 3.69 AU

Year: 4423 Days

Day: 12.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,511,300 km

• M1: 135,685 km (0.113 R)
• M2: 594,352 km (0.052 R)
• M3: 1,059,003 km (0.102 R)
• M4: 1,893,311 km (0.092 R)
• M5: 2,885,743 km (0.096 R)
• M6: 3,479,347 km (0.025 R)
• M7: 4,048,717 km (0.03 R)
• M8: 4,817,650 km (0.116 R)
• M9: 7,120,111 km (0.052 R)
• M10: 8,273,211 km (0.063 R)
• M11: 9,216,575 km (0.038 R)
• M12: 11,316,780 km (0.082 R)
• M13: 11,695,412 km (0.1 R)
• M14: 15,393,471 km (0.074 R)
• M15: 15,963,589 km (0.116 R)
• M16: 16,333,694 km (0.047 R)
• M17: 19,265,513 km (0.091 R)
• M18: 19,867,046 km (0.1 R)
• M19: 21,489,734 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.4

Radius: 14.6

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.95 AU - 4.07 AU

Year: 4539 Days

Day: 11.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 67.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,511,300 km

• M1: 183,706 km (0.082 R)
• M2: 837,748 km (0.027 R)
• M3: 1,457,682 km (0.118 R)
• M4: 2,964,581 km (0.074 R)
• M5: 3,496,252 km (0.086 R)
• M6: 7,530,906 km (0.115 R)
• M7: 8,376,733 km (0.111 R)
• M8: 9,244,251 km (0.107 R)
• M9: 10,883,095 km (0.069 R)
• M10: 11,533,397 km (0.092 R)
• M11: 18,937,445 km (0.107 R)
• M12: 20,994,266 km (0.032 R)
• M13: 21,857,296 km (0.071 R)
• M14: 23,196,197 km (0.066 R)
• M15: 24,274,798 km (0.081 R)
• M16: 26,949,458 km (0.116 R)
• M17: 28,663,102 km (0.097 R)
• M18: 30,357,298 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.7

Radius: 6

Gravity: 18.27 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.19 AU - 9.39 AU

Year: 15008 Days

Day: 24.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,511,300 km

• M1: 74,649 km (0.099 R)
• M2: 400,773 km (0.107 R)
• M3: 664,514 km (0.111 R)
• M4: 867,817 km (0.063 R)
• M5: 1,101,190 km (0.116 R)
• M6: 1,477,877 km (0.085 R)
• M7: 1,814,024 km (0.119 R)
• M8: 3,607,702 km (0.109 R)
• M9: 3,832,548 km (0.077 R)
• M10: 4,248,580 km (0.114 R)
• M11: 4,499,605 km (0.101 R)
• M12: 4,962,760 km (0.118 R)
• M13: 5,384,476 km (0.098 R)
• M14: 6,100,751 km (0.026 R)
• M15: 8,432,982 km (0.114 R)
• M16: 10,375,061 km (0.055 R)
• M17: 11,122,901 km (0.12 R)
• M18: 14,972,952 km (0.086 R)
• M19: 17,234,423 km (0.112 R)
• M20: 17,472,283 km (0.114 R)
• M21: 21,128,605 km (0.091 R)
• M22: 21,676,133 km (0.069 R)
• M23: 25,881,180 km (0.09 R)
• M24: 26,507,995 km (0.116 R)
• M25: 26,931,506 km (0.099 R)
• M26: 29,567,720 km (0.12 R)
• M27: 33,220,900 km (0.099 R)
• M28: 38,095,696 km (0.077 R)
• M29: 40,144,289 km (0.115 R)
• M30: 41,125,053 km (0.088 R)
• M31: 47,191,845 km (0.101 R)
• M32: 48,915,512 km (0.06 R)
• M33: 54,507,929 km (0.105 R)
• M34: 59,964,960 km (0.107 R)
• M35: 60,328,932 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 330.4

Radius: 4

Gravity: 20.65 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.33 AU - 11.15 AU

Year: 19387 Days

Day: 19.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,511,300 km

• M1: 58,493 km (0.111 R)
• M2: 239,057 km (0.1 R)
• M3: 552,914 km (0.07 R)
• M4: 3,621,465 km (0.071 R)
• M5: 4,045,126 km (0.113 R)
• M6: 4,923,266 km (0.119 R)
• M7: 5,371,162 km (0.085 R)
• M8: 5,660,035 km (0.072 R)
• M9: 6,308,243 km (0.072 R)
• M10: 6,920,098 km (0.1 R)
• M11: 7,525,970 km (0.072 R)
• M12: 11,151,624 km (0.057 R)
• M13: 18,009,639 km (0.109 R)
• M14: 20,950,733 km (0.115 R)
• M15: 28,298,681 km (0.062 R)
• M16: 30,174,040 km (0.048 R)
• M17: 32,130,481 km (0.068 R)
• M18: 48,244,715 km (0.109 R)
• M19: 49,802,627 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.4

Radius: 6

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 9.26 AU - 9.68 AU

Year: 20116 Days

Day: 18.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,511,300 km

• M1: 79,885 km (0.101 R)
• M2: 1,504,655 km (0.079 R)
• M3: 2,332,081 km (0.038 R)
• M4: 2,687,975 km (0.116 R)
• M5: 3,429,531 km (0.119 R)
• M6: 3,890,143 km (0.033 R)
• M7: 4,150,144 km (0.101 R)
• M8: 4,641,274 km (0.057 R)
• M9: 7,693,669 km (0.034 R)
• M10: 8,011,714 km (0.109 R)
• M11: 13,631,358 km (0.111 R)
• M12: 15,343,954 km (0.095 R)
• M13: 16,889,450 km (0.095 R)
• M14: 20,029,809 km (0.112 R)
• M15: 22,235,330 km (0.093 R)
• M16: 24,597,630 km (0.065 R)
• M17: 29,043,230 km (0.073 R)
• M18: 31,975,647 km (0.027 R)
• M19: 32,679,356 km (0.074 R)
• M20: 32,916,169 km (0.104 R)
• M21: 37,119,720 km (0.118 R)
• M22: 38,817,207 km (0.096 R)
• M23: 52,010,692 km (0.118 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 19,432 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit