🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866

Radius: 8.8

Gravity: 11.18 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.09 AU - 1.63 AU

Year: 1076 Days

Day: 12.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,895,241 km

• M1: 109,506 km (0.081 R)
• M2: 416,780 km (0.082 R)
• M3: 702,512 km (0.091 R)
• M4: 1,013,675 km (0.116 R)
• M5: 1,459,178 km (0.098 R)
• M6: 2,105,590 km (0.115 R)
• M7: 2,605,397 km (0.08 R)
• M8: 3,524,825 km (0.07 R)
• M9: 4,969,791 km (0.113 R)
• M10: 6,419,544 km (0.115 R)
• M11: 6,773,941 km (0.062 R)
• M12: 7,678,260 km (0.072 R)
• M13: 9,572,020 km (0.032 R)
• M14: 10,288,444 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446

Radius: 14.4

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.52 AU - 1.64 AU

Year: 1347 Days

Day: 7 Hours

Environment

Temp: -199 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,895,241 km

• M1: 179,069 km (0.04 R)
• M2: 718,519 km (0.07 R)
• M3: 1,210,696 km (0.095 R)
• M4: 1,907,822 km (0.075 R)
• M5: 2,545,109 km (0.116 R)
• M6: 3,047,009 km (0.082 R)
• M7: 3,645,551 km (0.085 R)
• M8: 4,425,255 km (0.075 R)
• M9: 5,138,836 km (0.119 R)
• M10: 5,656,295 km (0.059 R)
• M11: 6,296,724 km (0.107 R)
• M12: 7,249,962 km (0.116 R)
• M13: 8,351,152 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.7

Radius: 8.8

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.42 AU - 1.86 AU

Year: 1424 Days

Day: 11.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,895,241 km

• M1: 109,506 km (0.106 R)
• M2: 401,670 km (0.096 R)
• M3: 735,124 km (0.084 R)
• M4: 1,038,957 km (0.083 R)
• M5: 1,573,022 km (0.099 R)
• M6: 1,932,206 km (0.09 R)
• M7: 2,893,821 km (0.094 R)
• M8: 3,337,678 km (0.11 R)
• M9: 4,161,663 km (0.079 R)
• M10: 4,533,863 km (0.035 R)
• M11: 5,404,223 km (0.076 R)
• M12: 5,704,167 km (0.095 R)
• M13: 6,228,956 km (0.113 R)
• M14: 6,900,950 km (0.084 R)
• M15: 7,998,250 km (0.114 R)
• M16: 8,309,713 km (0.072 R)
• M17: 8,929,048 km (0.115 R)
• M18: 9,812,424 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677

Radius: 8.5

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.68 AU - 3.78 AU

Year: 3937 Days

Day: 6.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,895,241 km

• M1: 105,915 km (0.091 R)
• M2: 666,459 km (0.077 R)
• M3: 1,172,997 km (0.033 R)
• M4: 1,971,251 km (0.101 R)
• M5: 3,241,487 km (0.079 R)
• M6: 4,263,390 km (0.098 R)
• M7: 5,989,450 km (0.078 R)
• M8: 6,523,066 km (0.069 R)
• M9: 8,533,362 km (0.1 R)
• M10: 9,639,488 km (0.051 R)
• M11: 11,903,652 km (0.099 R)
• M12: 12,795,255 km (0.094 R)
• M13: 14,035,272 km (0.082 R)
• M14: 15,029,799 km (0.074 R)
• M15: 15,353,379 km (0.066 R)
• M16: 17,042,040 km (0.079 R)
• M17: 20,387,347 km (0.033 R)
• M18: 21,388,905 km (0.105 R)
• M19: 21,661,472 km (0.104 R)
• M20: 22,213,638 km (0.088 R)
• M21: 22,988,106 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.5

Radius: 14.2

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.86 AU - 4.46 AU

Year: 4749 Days

Day: 12.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 170.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,895,241 km

• M1: 176,525 km (0.095 R)
• M2: 745,596 km (0.1 R)
• M3: 1,598,902 km (0.105 R)
• M4: 2,229,906 km (0.1 R)
• M5: 2,822,762 km (0.05 R)
• M6: 3,583,168 km (0.066 R)
• M7: 6,609,384 km (0.116 R)
• M8: 7,522,230 km (0.095 R)
• M9: 8,064,821 km (0.103 R)
• M10: 8,672,338 km (0.106 R)
• M11: 9,893,954 km (0.114 R)
• M12: 11,937,611 km (0.112 R)
• M13: 12,427,544 km (0.058 R)
• M14: 13,343,532 km (0.074 R)
• M15: 16,785,031 km (0.065 R)
• M16: 18,223,863 km (0.071 R)
• M17: 18,808,791 km (0.116 R)
• M18: 20,709,132 km (0.119 R)
• M19: 22,437,287 km (0.098 R)
• M20: 23,718,443 km (0.035 R)
• M21: 25,852,606 km (0.102 R)
• M22: 28,544,321 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.6

Radius: 11.2

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.36 AU - 5.86 AU

Year: 9012 Days

Day: 8.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 86,895,241 km

• M1: 141,370 km (0.109 R)
• M2: 491,130 km (0.07 R)
• M3: 1,045,240 km (0.045 R)
• M4: 1,407,118 km (0.107 R)
• M5: 1,885,232 km (0.116 R)
• M6: 4,168,096 km (0.117 R)
• M7: 4,948,698 km (0.115 R)
• M8: 5,390,460 km (0.076 R)
• M9: 5,997,079 km (0.073 R)
• M10: 6,463,077 km (0.103 R)
• M11: 7,881,115 km (0.1 R)
• M12: 8,353,246 km (0.119 R)
• M13: 11,056,180 km (0.091 R)
• M14: 12,955,774 km (0.07 R)
• M15: 15,591,240 km (0.084 R)
• M16: 15,994,855 km (0.106 R)
• M17: 18,640,343 km (0.102 R)
• M18: 20,827,165 km (0.076 R)
• M19: 23,617,764 km (0.092 R)
• M20: 24,150,631 km (0.098 R)
• M21: 26,936,443 km (0.082 R)
• M22: 28,908,442 km (0.106 R)
• M23: 32,807,262 km (0.091 R)
• M24: 37,642,564 km (0.104 R)
• M25: 38,492,131 km (0.117 R)
• M26: 39,106,679 km (0.089 R)
• M27: 41,759,797 km (0.091 R)
• M28: 43,593,867 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.9

Radius: 7.9

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.32 AU - 6.8 AU

Year: 10118 Days

Day: 24.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 86,895,241 km

• M1: 98,585 km (0.119 R)
• M2: 379,530 km (0.088 R)
• M3: 1,079,199 km (0.073 R)
• M4: 1,997,431 km (0.058 R)
• M5: 2,461,483 km (0.047 R)
• M6: 2,781,473 km (0.076 R)
• M7: 3,313,742 km (0.117 R)
• M8: 3,756,103 km (0.09 R)
• M9: 4,018,498 km (0.049 R)
• M10: 5,098,295 km (0.061 R)
• M11: 5,587,181 km (0.088 R)
• M12: 6,250,797 km (0.106 R)
• M13: 7,083,459 km (0.096 R)
• M14: 8,921,568 km (0.088 R)
• M15: 9,438,578 km (0.072 R)
• M16: 10,075,267 km (0.078 R)
• M17: 11,163,741 km (0.084 R)
• M18: 12,792,862 km (0.068 R)
• M19: 14,832,778 km (0.109 R)
• M20: 16,032,404 km (0.12 R)
• M21: 17,080,337 km (0.052 R)
• M22: 19,312,188 km (0.111 R)
• M23: 20,740,698 km (0.099 R)
• M24: 22,494,882 km (0.091 R)
• M25: 24,345,707 km (0.098 R)
• M26: 25,822,238 km (0.077 R)
• M27: 30,398,736 km (0.08 R)
• M28: 34,909,411 km (0.09 R)
• M29: 38,972,788 km (0.049 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774

Radius: 7.9

Gravity: 12.4 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.8 AU - 11.42 AU

Year: 20206 Days

Day: 21.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 86,895,241 km

• M1: 98,286 km (0.119 R)
• M2: 406,607 km (0.09 R)
• M3: 1,018,163 km (0.118 R)
• M4: 1,581,399 km (0.11 R)
• M5: 2,661,047 km (0.107 R)
• M6: 3,094,432 km (0.087 R)
• M7: 3,456,908 km (0.107 R)
• M8: 3,754,907 km (0.089 R)
• M9: 4,037,647 km (0.097 R)
• M10: 4,436,923 km (0.112 R)
• M11: 6,613,123 km (0.115 R)
• M12: 8,372,394 km (0.116 R)
• M13: 9,078,197 km (0.113 R)
• M14: 9,589,523 km (0.103 R)
• M15: 13,722,463 km (0.111 R)
• M16: 15,890,286 km (0.118 R)
• M17: 18,636,005 km (0.118 R)
• M18: 21,682,865 km (0.101 R)
• M19: 23,853,680 km (0.111 R)
• M20: 28,381,708 km (0.076 R)
• M21: 35,498,528 km (0.083 R)
• M22: 36,340,165 km (0.116 R)
• M23: 42,294,908 km (0.112 R)
• M24: 50,965,900 km (0.03 R)
• M25: 54,038,940 km (0.077 R)
• M26: 60,352,568 km (0.06 R)
• M27: 61,550,847 km (0.104 R)
• M28: 63,173,386 km (0.054 R)
• M29: 64,616,257 km (0.089 R)
• M30: 76,029,079 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 786.4

Radius: 4.3

Gravity: 42.53 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 9.31 AU - 11.51 AU

Year: 22781 Days

Day: 24.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 86,895,241 km

• M1: 53,556 km (0.102 R)
• M2: 291,716 km (0.117 R)
• M3: 697,425 km (0.111 R)
• M4: 1,137,841 km (0.116 R)
• M5: 1,362,089 km (0.12 R)
• M6: 1,651,411 km (0.12 R)
• M7: 2,716,398 km (0.091 R)
• M8: 2,899,057 km (0.04 R)
• M9: 3,377,172 km (0.12 R)
• M10: 5,125,971 km (0.1 R)
• M11: 6,487,461 km (0.069 R)
• M12: 8,287,722 km (0.05 R)
• M13: 9,069,670 km (0.054 R)
• M14: 9,360,488 km (0.109 R)
• M15: 13,501,357 km (0.11 R)
• M16: 13,652,152 km (0.07 R)
• M17: 15,060,466 km (0.118 R)
• M18: 15,222,780 km (0.052 R)
• M19: 19,861,960 km (0.097 R)
• M20: 22,394,352 km (0.07 R)
• M21: 23,682,989 km (0.116 R)
• M22: 25,476,817 km (0.053 R)
• M23: 27,966,125 km (0.08 R)
• M24: 35,243,912 km (0.104 R)
• M25: 35,529,943 km (0.118 R)
• M26: 37,131,239 km (0.112 R)
• M27: 40,790,702 km (0.117 R)
• M28: 46,891,901 km (0.071 R)
• M29: 49,171,923 km (0.118 R)
• M30: 52,449,612 km (0.118 R)
• M31: 53,197,152 km (0.111 R)
• M32: 53,385,197 km (0.05 R)
• M33: 57,634,375 km (0.045 R)
• M34: 59,841,093 km (0.077 R)
• M35: 63,572,363 km (0.036 R)
• M36: 67,236,015 km (0.103 R)
• M37: 68,339,748 km (0.106 R)
• M38: 71,494,468 km (0.1 R)
• M39: 72,182,917 km (0.035 R)
• M40: 79,802,835 km (0.072 R)
• M41: 82,541,224 km (0.116 R)
• M42: 82,793,146 km (0.092 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 12,962 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit