🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.86 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.6

Radius: 9.7

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.44 AU - 2 AU

Year: 1557 Days

Day: 14.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,756,984 km

• M1: 120,725 km (0.112 R)
• M2: 527,033 km (0.104 R)
• M3: 1,010,833 km (0.119 R)
• M4: 1,318,705 km (0.066 R)
• M5: 1,991,297 km (0.096 R)
• M6: 2,637,410 km (0.091 R)
• M7: 4,492,125 km (0.117 R)
• M8: 8,327,365 km (0.047 R)
• M9: 9,393,849 km (0.112 R)
• M10: 11,582,017 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.9

Radius: 10.4

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.71 AU - 1.79 AU

Year: 1598 Days

Day: 10.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,756,984 km

• M1: 129,402 km (0.074 R)
• M2: 475,123 km (0.074 R)
• M3: 1,009,486 km (0.086 R)
• M4: 1,396,347 km (0.105 R)
• M5: 1,739,524 km (0.094 R)
• M6: 2,215,694 km (0.083 R)
• M7: 2,895,616 km (0.1 R)
• M8: 3,227,275 km (0.074 R)
• M9: 3,615,332 km (0.05 R)
• M10: 4,017,900 km (0.111 R)
• M11: 4,780,550 km (0.11 R)
• M12: 5,594,960 km (0.084 R)
• M13: 5,980,624 km (0.093 R)
• M14: 7,270,606 km (0.076 R)
• M15: 7,914,775 km (0.089 R)
• M16: 8,291,761 km (0.085 R)
• M17: 10,360,700 km (0.042 R)
• M18: 11,412,672 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.7

Radius: 15

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.15 AU - 2.31 AU

Year: 2299 Days

Day: 5.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,756,984 km

• M1: 186,549 km (0.078 R)
• M2: 894,446 km (0.045 R)
• M3: 1,446,761 km (0.078 R)
• M4: 1,995,636 km (0.068 R)
• M5: 3,637,323 km (0.071 R)
• M6: 4,481,952 km (0.072 R)
• M7: 5,310,425 km (0.061 R)
• M8: 5,926,619 km (0.078 R)
• M9: 6,426,725 km (0.111 R)
• M10: 7,127,740 km (0.057 R)
• M11: 7,879,469 km (0.092 R)
• M12: 8,617,137 km (0.073 R)
• M13: 9,088,519 km (0.108 R)
• M14: 9,864,334 km (0.116 R)
• M15: 10,531,540 km (0.101 R)
• M16: 12,332,100 km (0.066 R)
• M17: 17,267,035 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.7

Radius: 9.7

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.05 AU - 4.41 AU

Year: 4972 Days

Day: 9.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,756,984 km

• M1: 121,623 km (0.116 R)
• M2: 534,663 km (0.083 R)
• M3: 1,072,168 km (0.108 R)
• M4: 1,495,081 km (0.117 R)
• M5: 1,850,526 km (0.088 R)
• M6: 2,450,264 km (0.114 R)
• M7: 2,985,973 km (0.088 R)
• M8: 3,535,446 km (0.099 R)
• M9: 4,862,080 km (0.097 R)
• M10: 5,566,836 km (0.088 R)
• M11: 6,003,512 km (0.096 R)
• M12: 6,685,230 km (0.082 R)
• M13: 7,045,013 km (0.119 R)
• M14: 11,575,734 km (0.095 R)
• M15: 13,644,822 km (0.057 R)
• M16: 14,012,234 km (0.103 R)
• M17: 14,548,543 km (0.067 R)
• M18: 15,662,149 km (0.036 R)
• M19: 16,239,896 km (0.025 R)
• M20: 18,058,557 km (0.031 R)
• M21: 27,025,753 km (0.102 R)
• M22: 27,605,893 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.1

Radius: 9.1

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.97 AU - 4.83 AU

Year: 5316 Days

Day: 12.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,756,984 km

• M1: 113,246 km (0.11 R)
• M2: 520,451 km (0.086 R)
• M3: 912,397 km (0.088 R)
• M4: 1,378,844 km (0.118 R)
• M5: 1,735,784 km (0.093 R)
• M6: 2,068,340 km (0.11 R)
• M7: 3,784,677 km (0.119 R)
• M8: 4,590,261 km (0.106 R)
• M9: 6,601,156 km (0.094 R)
• M10: 7,183,690 km (0.114 R)
• M11: 7,870,793 km (0.098 R)
• M12: 8,828,818 km (0.1 R)
• M13: 11,243,028 km (0.047 R)
• M14: 12,216,312 km (0.081 R)
• M15: 12,650,295 km (0.057 R)
• M16: 13,295,212 km (0.1 R)
• M17: 16,038,687 km (0.117 R)
• M18: 17,031,418 km (0.109 R)
• M19: 17,940,824 km (0.048 R)
• M20: 18,882,243 km (0.038 R)
• M21: 21,974,581 km (0.044 R)
• M22: 23,198,291 km (0.104 R)
• M23: 24,771,762 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.6

Radius: 10.3

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.04 AU - 6.12 AU

Year: 7903 Days

Day: 9.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,756,984 km

• M1: 128,205 km (0.066 R)
• M2: 544,835 km (0.057 R)
• M3: 1,346,231 km (0.113 R)
• M4: 3,009,311 km (0.087 R)
• M5: 3,738,451 km (0.081 R)
• M6: 5,748,149 km (0.043 R)
• M7: 7,239,191 km (0.109 R)
• M8: 7,587,155 km (0.093 R)
• M9: 8,698,667 km (0.1 R)
• M10: 12,734,369 km (0.067 R)
• M11: 15,016,485 km (0.077 R)
• M12: 16,048,112 km (0.113 R)
• M13: 17,310,718 km (0.06 R)
• M14: 19,762,028 km (0.119 R)
• M15: 21,000,250 km (0.116 R)
• M16: 22,582,995 km (0.072 R)
• M17: 24,321,173 km (0.106 R)
• M18: 26,720,124 km (0.115 R)
• M19: 27,385,685 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 731.4

Radius: 6.8

Gravity: 15.82 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.25 AU - 7.05 AU

Year: 9270 Days

Day: 15.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,756,984 km

• M1: 85,271 km (0.115 R)
• M2: 429,346 km (0.058 R)
• M3: 768,335 km (0.025 R)
• M4: 1,230,293 km (0.028 R)
• M5: 1,469,649 km (0.114 R)
• M6: 2,043,956 km (0.044 R)
• M7: 2,676,156 km (0.112 R)
• M8: 3,082,464 km (0.11 R)
• M9: 3,755,355 km (0.066 R)
• M10: 4,018,049 km (0.085 R)
• M11: 4,406,555 km (0.099 R)
• M12: 5,487,699 km (0.054 R)
• M13: 6,143,685 km (0.101 R)
• M14: 6,435,102 km (0.048 R)
• M15: 10,899,252 km (0.088 R)
• M16: 12,329,707 km (0.062 R)
• M17: 13,511,979 km (0.093 R)
• M18: 15,028,303 km (0.117 R)
• M19: 16,795,353 km (0.074 R)
• M20: 17,078,991 km (0.108 R)
• M21: 17,728,844 km (0.087 R)
• M22: 18,848,434 km (0.068 R)
• M23: 24,610,346 km (0.077 R)
• M24: 28,940,456 km (0.05 R)
• M25: 29,348,409 km (0.06 R)
• M26: 30,071,266 km (0.106 R)
• M27: 35,584,397 km (0.116 R)
• M28: 37,723,347 km (0.12 R)
• M29: 40,198,893 km (0.092 R)
• M30: 43,177,087 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775

Radius: 4.2

Gravity: 43.93 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.33 AU - 10.05 AU

Year: 17682 Days

Day: 20.1 Hours

Environment

Temp: -243 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 81,756,984 km

• M1: 52,210 km (0.105 R)
• M2: 256,860 km (0.072 R)
• M3: 499,507 km (0.118 R)
• M4: 777,610 km (0.047 R)
• M5: 940,223 km (0.119 R)
• M6: 1,637,199 km (0.108 R)
• M7: 1,964,220 km (0.11 R)
• M8: 2,466,270 km (0.09 R)
• M9: 2,920,749 km (0.073 R)
• M10: 3,689,383 km (0.072 R)
• M11: 4,516,061 km (0.071 R)
• M12: 6,101,200 km (0.089 R)
• M13: 6,354,319 km (0.119 R)
• M14: 7,249,214 km (0.115 R)
• M15: 7,581,321 km (0.054 R)
• M16: 7,923,451 km (0.06 R)
• M17: 8,275,754 km (0.103 R)
• M18: 10,196,292 km (0.051 R)
• M19: 12,461,652 km (0.109 R)
• M20: 13,854,708 km (0.096 R)
• M21: 15,737,846 km (0.095 R)
• M22: 19,184,281 km (0.065 R)
• M23: 19,910,729 km (0.111 R)
• M24: 20,467,382 km (0.1 R)
• M25: 20,844,369 km (0.059 R)
• M26: 21,129,951 km (0.088 R)
• M27: 23,510,353 km (0.077 R)
• M28: 24,236,800 km (0.067 R)
• M29: 26,394,899 km (0.045 R)
• M30: 30,230,139 km (0.117 R)
• M31: 31,337,164 km (0.093 R)
• M32: 33,762,295 km (0.116 R)
• M33: 45,668,340 km (0.072 R)
• M34: 46,311,611 km (0.104 R)
• M35: 48,944,983 km (0.097 R)
• M36: 53,256,692 km (0.1 R)
• M37: 63,021,843 km (0.039 R)
• M38: 63,419,624 km (0.071 R)
• M39: 64,421,181 km (0.034 R)
• M40: 66,045,515 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.7

Radius: 4.9

Gravity: 24.69 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.2 AU - 11.14 AU

Year: 20756 Days

Day: 17.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,756,984 km

• M1: 60,886 km (0.109 R)
• M2: 316,549 km (0.074 R)
• M3: 691,441 km (0.115 R)
• M4: 1,522,607 km (0.09 R)
• M5: 1,708,707 km (0.112 R)
• M6: 2,065,947 km (0.09 R)
• M7: 2,681,392 km (0.08 R)
• M8: 2,877,814 km (0.076 R)
• M9: 3,244,927 km (0.069 R)
• M10: 3,672,029 km (0.077 R)
• M11: 4,500,054 km (0.097 R)
• M12: 4,849,365 km (0.103 R)
• M13: 5,141,679 km (0.074 R)
• M14: 5,641,784 km (0.062 R)
• M15: 5,883,235 km (0.084 R)
• M16: 6,649,027 km (0.086 R)
• M17: 8,532,913 km (0.087 R)
• M18: 9,455,333 km (0.037 R)
• M19: 9,738,821 km (0.117 R)
• M20: 15,390,180 km (0.106 R)
• M21: 16,343,119 km (0.096 R)
• M22: 19,619,312 km (0.084 R)
• M23: 26,082,090 km (0.103 R)
• M24: 26,304,242 km (0.093 R)
• M25: 26,864,935 km (0.116 R)
• M26: 30,275,318 km (0.107 R)
• M27: 37,514,957 km (0.03 R)
• M28: 43,449,804 km (0.099 R)
• M29: 46,638,931 km (0.073 R)
• M30: 50,667,602 km (0.066 R)
• M31: 55,287,035 km (0.093 R)
• M32: 55,469,993 km (0.098 R)
• M33: 70,598,377 km (0.079 R)
• M34: 72,992,990 km (0.085 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.3

Radius: 4.3

Gravity: 37.12 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 8.09 AU - 12.17 AU

Year: 22255 Days

Day: 20.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,756,984 km

• M1: 53,406 km (0.062 R)
• M2: 687,701 km (0.037 R)
• M3: 935,435 km (0.061 R)
• M4: 1,211,444 km (0.055 R)
• M5: 1,361,041 km (0.097 R)
• M6: 1,643,781 km (0.112 R)
• M7: 2,607,192 km (0.105 R)
• M8: 2,781,324 km (0.036 R)
• M9: 3,125,100 km (0.064 R)
• M10: 4,293,459 km (0.117 R)
• M11: 5,204,510 km (0.03 R)
• M12: 6,150,118 km (0.091 R)
• M13: 6,825,253 km (0.115 R)
• M14: 7,108,592 km (0.097 R)
• M15: 9,963,069 km (0.101 R)
• M16: 10,144,381 km (0.09 R)
• M17: 16,919,070 km (0.077 R)
• M18: 18,236,130 km (0.099 R)
• M19: 20,580,628 km (0.085 R)
• M20: 20,776,451 km (0.102 R)
• M21: 20,973,472 km (0.03 R)
• M22: 22,594,963 km (0.097 R)
• M23: 25,743,699 km (0.084 R)
• M24: 27,838,219 km (0.114 R)
• M25: 30,169,552 km (0.102 R)
• M26: 31,188,912 km (0.105 R)
• M27: 35,076,662 km (0.118 R)
• M28: 43,958,287 km (0.095 R)
• M29: 47,962,424 km (0.107 R)
• M30: 48,306,798 km (0.044 R)
• M31: 49,174,615 km (0.036 R)
• M32: 50,584,725 km (0.078 R)
• M33: 59,615,350 km (0.103 R)
• M34: 61,420,099 km (0.025 R)
• M35: 76,716,930 km (0.118 R)
• M36: 77,897,556 km (0.104 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 15,021 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit