🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.3

Radius: 13.1

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.47 AU - 0.67 AU

Year: 287 Days

Day: 7.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 84,553,336 km

• M1: 168,447 km (0.083 R)
• M2: 872,904 km (0.11 R)
• M3: 1,483,263 km (0.116 R)
• M4: 2,613,475 km (0.111 R)
• M5: 3,029,955 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.4

Radius: 9

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.63 AU - 1.89 AU

Year: 1557 Days

Day: 14 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,553,336 km

• M1: 112,049 km (0.089 R)
• M2: 464,950 km (0.101 R)
• M3: 762,351 km (0.119 R)
• M4: 1,046,736 km (0.078 R)
• M5: 1,438,533 km (0.085 R)
• M6: 2,778,930 km (0.108 R)
• M7: 3,174,018 km (0.111 R)
• M8: 3,741,742 km (0.098 R)
• M9: 4,708,443 km (0.063 R)
• M10: 6,634,516 km (0.078 R)
• M11: 8,014,407 km (0.095 R)
• M12: 9,066,080 km (0.091 R)
• M13: 9,905,025 km (0.088 R)
• M14: 10,275,279 km (0.082 R)
• M15: 11,331,889 km (0.079 R)
• M16: 12,890,849 km (0.046 R)
• M17: 13,170,746 km (0.03 R)
• M18: 13,577,503 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849

Radius: 11

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.46 AU - 5.38 AU

Year: 6197 Days

Day: 11.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 156.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 84,553,336 km

• M1: 137,032 km (0.05 R)
• M2: 487,091 km (0.069 R)
• M3: 990,936 km (0.09 R)
• M4: 1,476,830 km (0.096 R)
• M5: 1,833,322 km (0.074 R)
• M6: 3,557,288 km (0.11 R)
• M7: 4,209,086 km (0.09 R)
• M8: 5,289,482 km (0.072 R)
• M9: 6,442,432 km (0.074 R)
• M10: 7,336,878 km (0.108 R)
• M11: 7,755,902 km (0.088 R)
• M12: 8,600,232 km (0.105 R)
• M13: 9,196,380 km (0.087 R)
• M14: 9,865,680 km (0.075 R)
• M15: 10,759,528 km (0.089 R)
• M16: 11,301,222 km (0.105 R)
• M17: 11,706,482 km (0.059 R)
• M18: 13,595,305 km (0.12 R)
• M19: 15,063,309 km (0.088 R)
• M20: 16,311,853 km (0.093 R)
• M21: 18,105,082 km (0.074 R)
• M22: 20,695,669 km (0.076 R)
• M23: 21,766,789 km (0.077 R)
• M24: 28,607,302 km (0.058 R)
• M25: 29,266,579 km (0.098 R)
• M26: 30,128,862 km (0.113 R)
• M27: 37,423,852 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.8

Radius: 9.7

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.47 AU - 4.87 AU

Year: 6730 Days

Day: 8 Hours

Environment

Temp: -218 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,553,336 km

• M1: 120,725 km (0.1 R)
• M2: 625,170 km (0.045 R)
• M3: 959,521 km (0.073 R)
• M4: 1,357,750 km (0.094 R)
• M5: 1,690,606 km (0.084 R)
• M6: 2,585,799 km (0.051 R)
• M7: 4,776,959 km (0.12 R)
• M8: 5,482,912 km (0.115 R)
• M9: 5,847,781 km (0.08 R)
• M10: 6,173,455 km (0.06 R)
• M11: 6,655,460 km (0.093 R)
• M12: 7,101,561 km (0.116 R)
• M13: 8,491,923 km (0.045 R)
• M14: 11,048,401 km (0.073 R)
• M15: 12,412,734 km (0.106 R)
• M16: 13,320,793 km (0.053 R)
• M17: 18,075,163 km (0.077 R)
• M18: 18,535,475 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.1

Radius: 14.3

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.4 AU - 6.44 AU

Year: 8415 Days

Day: 7 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,553,336 km

• M1: 178,769 km (0.1 R)
• M2: 953,387 km (0.052 R)
• M3: 1,415,495 km (0.071 R)
• M4: 2,264,313 km (0.082 R)
• M5: 3,340,820 km (0.099 R)
• M6: 5,001,954 km (0.111 R)
• M7: 6,708,866 km (0.12 R)
• M8: 7,675,418 km (0.058 R)
• M9: 8,557,447 km (0.103 R)
• M10: 10,423,680 km (0.111 R)
• M11: 11,399,657 km (0.113 R)
• M12: 13,238,664 km (0.117 R)
• M13: 14,014,927 km (0.111 R)
• M14: 16,256,501 km (0.076 R)
• M15: 18,506,902 km (0.055 R)
• M16: 23,018,026 km (0.117 R)
• M17: 24,671,531 km (0.083 R)
• M18: 25,119,577 km (0.093 R)
• M19: 25,756,116 km (0.094 R)
• M20: 32,189,871 km (0.065 R)
• M21: 33,049,162 km (0.107 R)
• M22: 38,290,323 km (0.114 R)
• M23: 39,621,146 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.6

Radius: 11.2

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.46 AU - 5.48 AU

Year: 8531 Days

Day: 5.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,553,336 km

• M1: 139,276 km (0.087 R)
• M2: 549,623 km (0.089 R)
• M3: 1,198,429 km (0.081 R)
• M4: 2,297,375 km (0.064 R)
• M5: 3,622,512 km (0.082 R)
• M6: 4,145,357 km (0.048 R)
• M7: 6,585,897 km (0.104 R)
• M8: 8,090,702 km (0.101 R)
• M9: 11,073,534 km (0.107 R)
• M10: 11,667,138 km (0.05 R)
• M11: 14,487,955 km (0.118 R)
• M12: 20,030,556 km (0.119 R)
• M13: 22,127,919 km (0.062 R)
• M14: 22,753,238 km (0.075 R)
• M15: 23,309,891 km (0.074 R)
• M16: 24,866,756 km (0.046 R)
• M17: 26,230,790 km (0.093 R)
• M18: 28,736,853 km (0.089 R)
• M19: 29,107,407 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.2

Radius: 5.5

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.46 AU - 9.44 AU

Year: 14948 Days

Day: 17.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 84,553,336 km

• M1: 68,516 km (0.101 R)
• M2: 277,803 km (0.077 R)
• M3: 504,594 km (0.09 R)
• M4: 775,067 km (0.106 R)
• M5: 1,105,827 km (0.119 R)
• M6: 1,568,384 km (0.051 R)
• M7: 1,867,580 km (0.061 R)
• M8: 2,721,484 km (0.089 R)
• M9: 3,632,236 km (0.095 R)
• M10: 4,075,046 km (0.03 R)
• M11: 6,104,790 km (0.089 R)
• M12: 6,504,665 km (0.027 R)
• M13: 7,851,644 km (0.087 R)
• M14: 9,565,587 km (0.095 R)
• M15: 10,820,264 km (0.113 R)
• M16: 12,011,811 km (0.093 R)
• M17: 14,398,047 km (0.115 R)
• M18: 16,039,884 km (0.04 R)
• M19: 16,800,290 km (0.087 R)
• M20: 18,096,106 km (0.078 R)
• M21: 20,083,365 km (0.07 R)
• M22: 20,401,410 km (0.112 R)
• M23: 22,042,648 km (0.061 R)
• M24: 23,505,117 km (0.12 R)
• M25: 25,771,824 km (0.064 R)
• M26: 29,900,575 km (0.054 R)
• M27: 31,582,803 km (0.115 R)
• M28: 33,997,612 km (0.046 R)
• M29: 35,829,139 km (0.102 R)
• M30: 37,846,167 km (0.066 R)
• M31: 39,438,786 km (0.078 R)
• M32: 41,075,536 km (0.081 R)
• M33: 41,331,199 km (0.058 R)
• M34: 42,364,920 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431.3

Radius: 5.7

Gravity: 13.27 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 9.63 AU - 9.81 AU

Year: 20208 Days

Day: 22.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,553,336 km

• M1: 76,445 km (0.073 R)
• M2: 266,733 km (0.072 R)
• M3: 722,857 km (0.101 R)
• M4: 2,811,692 km (0.096 R)
• M5: 3,260,635 km (0.108 R)
• M6: 3,447,782 km (0.062 R)
• M7: 4,460,859 km (0.082 R)
• M8: 6,372,869 km (0.11 R)
• M9: 11,902,007 km (0.076 R)
• M10: 15,033,389 km (0.117 R)
• M11: 16,473,119 km (0.089 R)
• M12: 18,335,912 km (0.058 R)
• M13: 20,879,076 km (0.112 R)
• M14: 29,785,086 km (0.105 R)
• M15: 34,417,533 km (0.032 R)
• M16: 35,320,207 km (0.094 R)
• M17: 36,238,588 km (0.093 R)
• M18: 37,172,827 km (0.111 R)
• M19: 44,620,706 km (0.032 R)
• M20: 46,626,814 km (0.116 R)
• M21: 52,663,836 km (0.108 R)
• M22: 64,883,289 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 902.4

Radius: 3.2

Gravity: 88.13 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 8.59 AU - 11.59 AU

Year: 21373 Days

Day: 24 Hours

Environment

Temp: -245 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 84,553,336 km

• M1: 41,887 km (0.11 R)
• M2: 190,438 km (0.102 R)
• M3: 514,916 km (0.073 R)
• M4: 881,879 km (0.099 R)
• M5: 1,045,689 km (0.097 R)
• M6: 1,170,753 km (0.074 R)
• M7: 1,337,106 km (0.088 R)
• M8: 1,589,178 km (0.12 R)
• M9: 2,763,671 km (0.109 R)
• M10: 3,003,776 km (0.098 R)
• M11: 3,114,927 km (0.054 R)
• M12: 3,316,136 km (0.111 R)
• M13: 3,464,986 km (0.109 R)
• M14: 3,905,701 km (0.091 R)
• M15: 4,105,714 km (0.118 R)
• M16: 5,958,483 km (0.064 R)
• M17: 7,065,657 km (0.099 R)
• M18: 7,981,046 km (0.112 R)
• M19: 8,801,890 km (0.077 R)
• M20: 8,972,581 km (0.118 R)
• M21: 13,161,321 km (0.084 R)
• M22: 13,838,551 km (0.11 R)
• M23: 19,723,282 km (0.08 R)
• M24: 21,418,077 km (0.108 R)
• M25: 21,623,624 km (0.07 R)
• M26: 21,830,518 km (0.068 R)
• M27: 26,603,887 km (0.113 R)
• M28: 28,050,349 km (0.111 R)
• M29: 32,838,827 km (0.109 R)
• M30: 33,802,088 km (0.099 R)
• M31: 36,219,589 km (0.11 R)
• M32: 44,826,254 km (0.11 R)
• M33: 55,663,273 km (0.09 R)
• M34: 57,425,835 km (0.102 R)
• M35: 68,788,542 km (0.095 R)
• M36: 77,141,189 km (0.057 R)
• M37: 78,352,184 km (0.116 R)
• M38: 81,810,288 km (0.116 R)
• M39: 84,597,745 km (0.094 R)
• M40: 85,111,315 km (0.112 R)
• M41: 85,368,773 km (0.063 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.2

Radius: 7.6

Gravity: 11.62 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 9.57 AU - 12.03 AU

Year: 23668 Days

Day: 19 Hours

Environment

Temp: -241 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 84,553,336 km

• M1: 94,546 km (0.063 R)
• M2: 379,530 km (0.09 R)
• M3: 629,209 km (0.092 R)
• M4: 1,095,505 km (0.061 R)
• M5: 1,684,173 km (0.033 R)
• M6: 2,420,793 km (0.051 R)
• M7: 3,047,757 km (0.079 R)
• M8: 5,788,690 km (0.116 R)
• M9: 9,261,006 km (0.094 R)
• M10: 10,092,022 km (0.098 R)
• M11: 10,338,260 km (0.094 R)
• M12: 16,234,810 km (0.074 R)
• M13: 16,488,378 km (0.117 R)
• M14: 18,155,796 km (0.06 R)
• M15: 21,213,128 km (0.057 R)
• M16: 21,822,290 km (0.112 R)
• M17: 22,234,881 km (0.11 R)
• M18: 24,376,075 km (0.044 R)
• M19: 25,839,292 km (0.044 R)
• M20: 26,301,101 km (0.109 R)
• M21: 27,004,061 km (0.092 R)
• M22: 28,570,052 km (0.085 R)
• M23: 32,014,244 km (0.042 R)
• M24: 32,546,962 km (0.115 R)
• M25: 34,597,500 km (0.095 R)
• M26: 37,610,700 km (0.062 R)
• M27: 40,950,323 km (0.1 R)
• M28: 48,212,701 km (0.07 R)
• M29: 49,796,942 km (0.112 R)
• M30: 51,415,591 km (0.038 R)
• M31: 65,007,456 km (0.112 R)
• M32: 79,100,772 km (0.082 R)
• M33: 79,586,516 km (0.101 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 18,013 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit