🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.2

Radius: 8.5

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.85 AU - 1.17 AU

Year: 688 Days

Day: 12.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,013,575 km

• M1: 105,766 km (0.07 R)
• M2: 661,223 km (0.08 R)
• M3: 970,441 km (0.103 R)
• M4: 1,265,448 km (0.05 R)
• M5: 1,770,192 km (0.071 R)
• M6: 2,124,589 km (0.087 R)
• M7: 2,851,036 km (0.107 R)
• M8: 3,871,742 km (0.065 R)
• M9: 4,836,798 km (0.028 R)
• M10: 5,288,883 km (0.117 R)
• M11: 6,258,427 km (0.103 R)
• M12: 7,044,265 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.5

Radius: 11.1

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.01 AU - 1.03 AU

Year: 699 Days

Day: 9.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,013,575 km

• M1: 138,976 km (0.095 R)
• M2: 598,391 km (0.117 R)
• M3: 1,051,075 km (0.097 R)
• M4: 1,732,044 km (0.051 R)
• M5: 2,236,039 km (0.08 R)
• M6: 2,721,634 km (0.105 R)
• M7: 3,447,333 km (0.103 R)
• M8: 4,422,861 km (0.108 R)
• M9: 4,780,550 km (0.045 R)
• M10: 5,481,116 km (0.055 R)
• M11: 6,472,202 km (0.118 R)
• M12: 6,978,142 km (0.097 R)
• M13: 7,856,581 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712

Radius: 14.9

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.7 AU - 2.28 AU

Year: 1904 Days

Day: 13.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,013,575 km

• M1: 185,352 km (0.096 R)
• M2: 761,304 km (0.042 R)
• M3: 1,448,257 km (0.119 R)
• M4: 2,100,205 km (0.11 R)
• M5: 2,700,391 km (0.079 R)
• M6: 3,365,354 km (0.069 R)
• M7: 3,880,120 km (0.051 R)
• M8: 4,669,548 km (0.049 R)
• M9: 5,224,107 km (0.117 R)
• M10: 5,774,927 km (0.112 R)
• M11: 8,226,985 km (0.114 R)
• M12: 9,433,043 km (0.096 R)
• M13: 11,195,755 km (0.036 R)
• M14: 13,336,650 km (0.101 R)
• M15: 15,319,420 km (0.115 R)
• M16: 16,022,231 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.7

Radius: 13

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.81 AU - 3.43 AU

Year: 3738 Days

Day: 8.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,013,575 km

• M1: 161,715 km (0.081 R)
• M2: 586,723 km (0.086 R)
• M3: 1,328,130 km (0.06 R)
• M4: 2,134,462 km (0.05 R)
• M5: 2,879,609 km (0.08 R)
• M6: 3,878,026 km (0.115 R)
• M7: 5,442,819 km (0.056 R)
• M8: 6,583,353 km (0.113 R)
• M9: 7,095,277 km (0.098 R)
• M10: 8,418,171 km (0.084 R)
• M11: 9,060,844 km (0.114 R)
• M12: 10,106,683 km (0.104 R)
• M13: 10,615,914 km (0.087 R)
• M14: 14,196,688 km (0.094 R)
• M15: 14,944,528 km (0.029 R)
• M16: 16,694,225 km (0.094 R)
• M17: 19,732,707 km (0.076 R)
• M18: 20,596,934 km (0.057 R)
• M19: 22,258,667 km (0.11 R)
• M20: 22,976,887 km (0.115 R)
• M21: 23,488,661 km (0.066 R)
• M22: 24,611,243 km (0.101 R)
• M23: 26,721,321 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.3

Radius: 14

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.71 AU - 4.09 AU

Year: 4252 Days

Day: 10.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,013,575 km

• M1: 174,132 km (0.116 R)
• M2: 611,107 km (0.112 R)
• M3: 1,115,551 km (0.106 R)
• M4: 1,643,033 km (0.069 R)
• M5: 3,909,142 km (0.062 R)
• M6: 4,842,932 km (0.106 R)
• M7: 6,069,934 km (0.098 R)
• M8: 8,779,899 km (0.103 R)
• M9: 10,422,932 km (0.093 R)
• M10: 11,089,092 km (0.107 R)
• M11: 11,926,092 km (0.116 R)
• M12: 13,106,868 km (0.109 R)
• M13: 13,569,424 km (0.096 R)
• M14: 15,134,218 km (0.092 R)
• M15: 15,700,895 km (0.084 R)
• M16: 16,816,596 km (0.088 R)
• M17: 17,984,357 km (0.09 R)
• M18: 18,878,952 km (0.111 R)
• M19: 20,481,444 km (0.1 R)
• M20: 21,105,118 km (0.038 R)
• M21: 26,806,592 km (0.11 R)
• M22: 27,637,159 km (0.111 R)
• M23: 29,088,259 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.8

Radius: 12.1

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.46 AU - 5.88 AU

Year: 7973 Days

Day: 11.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,013,575 km

• M1: 150,944 km (0.038 R)
• M2: 533,017 km (0.079 R)
• M3: 1,081,293 km (0.039 R)
• M4: 2,146,281 km (0.118 R)
• M5: 2,694,108 km (0.113 R)
• M6: 3,169,829 km (0.107 R)
• M7: 3,723,940 km (0.086 R)
• M8: 4,292,262 km (0.043 R)
• M9: 4,917,731 km (0.066 R)
• M10: 5,633,108 km (0.087 R)
• M11: 6,818,073 km (0.109 R)
• M12: 7,415,417 km (0.106 R)
• M13: 8,085,615 km (0.061 R)
• M14: 8,877,138 km (0.118 R)
• M15: 12,414,978 km (0.081 R)
• M16: 13,146,511 km (0.053 R)
• M17: 13,522,900 km (0.091 R)
• M18: 14,467,161 km (0.082 R)
• M19: 15,633,725 km (0.11 R)
• M20: 17,955,634 km (0.109 R)
• M21: 18,419,537 km (0.065 R)
• M22: 18,959,585 km (0.107 R)
• M23: 20,498,947 km (0.098 R)
• M24: 22,271,682 km (0.101 R)
• M25: 23,195,449 km (0.085 R)
• M26: 26,888,272 km (0.066 R)
• M27: 31,431,560 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 953.6

Radius: 5.3

Gravity: 33.95 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.85 AU - 7.41 AU

Year: 11579 Days

Day: 18.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,013,575 km

• M1: 65,973 km (0.101 R)
• M2: 307,424 km (0.112 R)
• M3: 496,366 km (0.048 R)
• M4: 1,114,055 km (0.118 R)
• M5: 1,689,558 km (0.095 R)
• M6: 2,052,483 km (0.082 R)
• M7: 3,782,433 km (0.041 R)
• M8: 4,371,250 km (0.099 R)
• M9: 4,884,819 km (0.102 R)
• M10: 5,225,603 km (0.082 R)
• M11: 6,463,825 km (0.079 R)
• M12: 6,667,128 km (0.062 R)
• M13: 7,302,770 km (0.058 R)
• M14: 8,450,784 km (0.088 R)
• M15: 9,348,371 km (0.108 R)
• M16: 11,272,798 km (0.107 R)
• M17: 12,358,579 km (0.055 R)
• M18: 13,845,133 km (0.087 R)
• M19: 15,374,772 km (0.062 R)
• M20: 15,884,152 km (0.044 R)
• M21: 16,329,804 km (0.085 R)
• M22: 16,555,697 km (0.051 R)
• M23: 21,075,647 km (0.077 R)
• M24: 21,613,452 km (0.078 R)
• M25: 22,437,437 km (0.059 R)
• M26: 24,245,477 km (0.081 R)
• M27: 30,135,145 km (0.093 R)
• M28: 32,687,883 km (0.106 R)
• M29: 42,754,323 km (0.074 R)
• M30: 45,373,184 km (0.071 R)
• M31: 52,383,938 km (0.103 R)
• M32: 55,040,797 km (0.04 R)
• M33: 56,918,699 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 645.8

Radius: 6.8

Gravity: 13.97 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.87 AU - 7.97 AU

Year: 12347 Days

Day: 20.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,013,575 km

• M1: 84,523 km (0.096 R)
• M2: 354,547 km (0.078 R)
• M3: 667,506 km (0.114 R)
• M4: 1,334,862 km (0.085 R)
• M5: 1,693,448 km (0.091 R)
• M6: 3,288,311 km (0.108 R)
• M7: 4,057,393 km (0.032 R)
• M8: 4,530,123 km (0.109 R)
• M9: 5,727,654 km (0.115 R)
• M10: 6,998,936 km (0.059 R)
• M11: 8,354,742 km (0.078 R)
• M12: 8,683,708 km (0.087 R)
• M13: 9,981,469 km (0.045 R)
• M14: 10,298,467 km (0.108 R)
• M15: 13,589,022 km (0.082 R)
• M16: 14,375,607 km (0.107 R)
• M17: 14,779,970 km (0.111 R)
• M18: 17,292,167 km (0.103 R)
• M19: 17,903,873 km (0.104 R)
• M20: 21,704,706 km (0.034 R)
• M21: 23,235,691 km (0.09 R)
• M22: 24,837,136 km (0.1 R)
• M23: 29,106,659 km (0.117 R)
• M24: 29,321,332 km (0.059 R)
• M25: 29,753,969 km (0.106 R)
• M26: 30,300,600 km (0.107 R)
• M27: 32,095,176 km (0.112 R)
• M28: 34,436,532 km (0.051 R)
• M29: 38,933,594 km (0.051 R)
• M30: 39,851,377 km (0.08 R)
• M31: 40,116,165 km (0.049 R)
• M32: 41,322,373 km (0.077 R)
• M33: 41,593,594 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 941.2

Radius: 5.1

Gravity: 36.19 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.43 AU - 12.39 AU

Year: 21159 Days

Day: 22 Hours

Environment

Temp: -227 °C

Axial Tilt: 76.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 59,013,575 km

• M1: 63,878 km (0.118 R)
• M2: 284,236 km (0.045 R)
• M3: 1,076,506 km (0.119 R)
• M4: 1,501,663 km (0.092 R)
• M5: 1,733,989 km (0.081 R)
• M6: 2,073,726 km (0.112 R)
• M7: 3,891,190 km (0.092 R)
• M8: 4,226,738 km (0.119 R)
• M9: 5,309,677 km (0.057 R)
• M10: 5,472,290 km (0.071 R)
• M11: 8,007,824 km (0.118 R)
• M12: 9,117,392 km (0.105 R)
• M13: 11,166,135 km (0.045 R)
• M14: 13,883,131 km (0.116 R)
• M15: 16,061,426 km (0.087 R)
• M16: 17,814,862 km (0.095 R)
• M17: 21,490,333 km (0.109 R)
• M18: 21,800,299 km (0.073 R)
• M19: 23,395,312 km (0.082 R)
• M20: 24,054,590 km (0.105 R)
• M21: 24,388,941 km (0.096 R)
• M22: 28,769,615 km (0.08 R)
• M23: 35,196,789 km (0.12 R)
• M24: 43,006,845 km (0.077 R)
• M25: 44,495,194 km (0.11 R)
• M26: 45,676,119 km (0.09 R)
• M27: 46,188,642 km (0.099 R)
• M28: 47,399,337 km (0.075 R)
• M29: 48,453,853 km (0.114 R)
• M30: 49,165,490 km (0.094 R)
• M31: 52,640,948 km (0.06 R)
• M32: 54,726,192 km (0.084 R)
• M33: 56,276,774 km (0.075 R)
• M34: 63,194,329 km (0.066 R)
• M35: 65,115,914 km (0.115 R)
• M36: 74,836,185 km (0.112 R)
• M37: 75,072,999 km (0.052 R)
• M38: 75,548,271 km (0.105 R)
• M39: 80,909,111 km (0.09 R)
• M40: 81,158,640 km (0.066 R)
• M41: 82,161,843 km (0.09 R)
• M42: 83,682,057 km (0.111 R)
• M43: 87,040,230 km (0.055 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.4

Radius: 5.8

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 8.64 AU - 11.3 AU

Year: 21352 Days

Day: 16.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,013,575 km

• M1: 173,982 km (0.102 R)
• M2: 410,197 km (0.099 R)
• M3: 610,210 km (0.099 R)
• M4: 928,404 km (0.032 R)
• M5: 2,114,267 km (0.119 R)
• M6: 2,450,563 km (0.086 R)
• M7: 7,844,912 km (0.117 R)
• M8: 13,715,582 km (0.06 R)
• M9: 15,235,346 km (0.099 R)
• M10: 20,202,594 km (0.087 R)
• M11: 21,616,743 km (0.11 R)
• M12: 28,258,589 km (0.085 R)
• M13: 30,819,555 km (0.088 R)
• M14: 51,894,454 km (0.107 R)
• M15: 52,546,402 km (0.118 R)
• M16: 53,866,453 km (0.048 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 20,257 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit