🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.55 AU - 0.79 AU

Year: 360 Days

Day: 38.8 Hours

Environment

Temp: -129 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232

Radius: 9.1

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.78 AU - 0.84 AU

Year: 478 Days

Day: 9.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,704,719 km

• M1: 115,938 km (0.06 R)
• M2: 451,786 km (0.055 R)
• M3: 1,012,030 km (0.087 R)
• M4: 1,936,993 km (0.073 R)
• M5: 2,728,516 km (0.071 R)
• M6: 3,398,714 km (0.084 R)
• M7: 3,698,209 km (0.104 R)
• M8: 4,274,759 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.7

Radius: 14.3

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.95 AU - 1.01 AU

Year: 636 Days

Day: 10.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,704,719 km

• M1: 177,872 km (0.105 R)
• M2: 632,799 km (0.043 R)
• M3: 1,147,266 km (0.079 R)
• M4: 1,854,714 km (0.056 R)
• M5: 2,300,666 km (0.1 R)
• M6: 3,221,141 km (0.101 R)
• M7: 3,962,848 km (0.084 R)
• M8: 4,749,134 km (0.079 R)
• M9: 6,022,661 km (0.112 R)
• M10: 7,152,424 km (0.083 R)
• M11: 7,721,344 km (0.093 R)
• M12: 8,394,236 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.1

Radius: 11.8

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.64 AU - 2.22 AU

Year: 1759 Days

Day: 8.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,704,719 km

• M1: 146,756 km (0.094 R)
• M2: 625,469 km (0.105 R)
• M3: 1,257,221 km (0.036 R)
• M4: 1,992,943 km (0.116 R)
• M5: 4,470,134 km (0.066 R)
• M6: 6,006,953 km (0.065 R)
• M7: 7,192,965 km (0.109 R)
• M8: 9,288,831 km (0.113 R)
• M9: 10,231,447 km (0.083 R)
• M10: 11,917,266 km (0.096 R)
• M11: 13,029,975 km (0.112 R)
• M12: 14,037,815 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.5

Radius: 13

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.48 AU - 3.86 AU

Year: 3703 Days

Day: 14.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,704,719 km

• M1: 162,613 km (0.09 R)
• M2: 574,905 km (0.09 R)
• M3: 992,432 km (0.088 R)
• M4: 1,489,995 km (0.089 R)
• M5: 1,921,734 km (0.109 R)
• M6: 2,376,362 km (0.086 R)
• M7: 3,527,967 km (0.116 R)
• M8: 4,620,181 km (0.071 R)
• M9: 5,231,886 km (0.073 R)
• M10: 5,839,852 km (0.106 R)
• M11: 6,280,867 km (0.04 R)
• M12: 9,414,493 km (0.051 R)
• M13: 11,500,037 km (0.105 R)
• M14: 12,148,693 km (0.057 R)
• M15: 13,167,305 km (0.056 R)
• M16: 13,620,886 km (0.095 R)
• M17: 15,319,121 km (0.085 R)
• M18: 17,696,082 km (0.094 R)
• M19: 20,644,955 km (0.074 R)
• M20: 21,603,877 km (0.104 R)
• M21: 23,170,466 km (0.059 R)
• M22: 24,887,999 km (0.119 R)
• M23: 26,688,859 km (0.026 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.4

Radius: 9

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.78 AU - 3.66 AU

Year: 3790 Days

Day: 14.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,704,719 km

• M1: 114,891 km (0.055 R)
• M2: 478,863 km (0.039 R)
• M3: 922,720 km (0.105 R)
• M4: 1,479,224 km (0.09 R)
• M5: 2,171,712 km (0.071 R)
• M6: 2,493,946 km (0.118 R)
• M7: 4,232,722 km (0.107 R)
• M8: 4,664,462 km (0.072 R)
• M9: 5,758,321 km (0.076 R)
• M10: 6,319,612 km (0.058 R)
• M11: 7,689,630 km (0.071 R)
• M12: 8,859,186 km (0.073 R)
• M13: 9,526,841 km (0.078 R)
• M14: 10,568,940 km (0.082 R)
• M15: 11,229,564 km (0.113 R)
• M16: 12,536,302 km (0.111 R)
• M17: 13,276,661 km (0.063 R)
• M18: 13,734,581 km (0.118 R)
• M19: 14,521,316 km (0.067 R)
• M20: 15,062,411 km (0.087 R)
• M21: 16,473,718 km (0.11 R)
• M22: 16,766,181 km (0.116 R)
• M23: 18,281,159 km (0.069 R)
• M24: 19,492,004 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.1

Radius: 12.2

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.11 AU - 4.63 AU

Year: 5993 Days

Day: 12.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,704,719 km

• M1: 151,692 km (0.032 R)
• M2: 590,612 km (0.119 R)
• M3: 975,378 km (0.114 R)
• M4: 1,692,550 km (0.115 R)
• M5: 2,429,320 km (0.079 R)
• M6: 2,872,578 km (0.077 R)
• M7: 4,122,469 km (0.049 R)
• M8: 4,813,910 km (0.108 R)
• M9: 5,769,691 km (0.101 R)
• M10: 8,752,672 km (0.12 R)
• M11: 10,939,344 km (0.073 R)
• M12: 11,437,056 km (0.056 R)
• M13: 15,981,541 km (0.06 R)
• M14: 16,950,336 km (0.025 R)
• M15: 20,018,888 km (0.036 R)
• M16: 20,764,783 km (0.119 R)
• M17: 21,297,800 km (0.071 R)
• M18: 22,871,420 km (0.112 R)
• M19: 25,635,091 km (0.088 R)
• M20: 26,514,876 km (0.104 R)
• M21: 31,416,899 km (0.045 R)
• M22: 33,453,076 km (0.085 R)
• M23: 34,822,794 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.1

Radius: 4.8

Gravity: 31.56 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.78 AU - 6.42 AU

Year: 9883 Days

Day: 17.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,704,719 km

• M1: 59,690 km (0.102 R)
• M2: 273,465 km (0.113 R)
• M3: 521,349 km (0.105 R)
• M4: 798,703 km (0.094 R)
• M5: 1,056,460 km (0.109 R)
• M6: 1,278,463 km (0.096 R)
• M7: 1,559,857 km (0.115 R)
• M8: 4,131,295 km (0.099 R)
• M9: 5,865,733 km (0.106 R)
• M10: 7,479,594 km (0.078 R)
• M11: 8,523,638 km (0.063 R)
• M12: 8,986,045 km (0.113 R)
• M13: 9,223,457 km (0.104 R)
• M14: 9,810,180 km (0.045 R)
• M15: 12,060,580 km (0.051 R)
• M16: 14,309,186 km (0.076 R)
• M17: 14,502,915 km (0.063 R)
• M18: 14,763,963 km (0.03 R)
• M19: 16,466,836 km (0.11 R)
• M20: 19,535,986 km (0.085 R)
• M21: 19,774,445 km (0.113 R)
• M22: 20,665,450 km (0.076 R)
• M23: 20,830,307 km (0.1 R)
• M24: 21,414,187 km (0.102 R)
• M25: 22,180,876 km (0.108 R)
• M26: 23,678,650 km (0.09 R)
• M27: 24,040,527 km (0.047 R)
• M28: 27,565,652 km (0.117 R)
• M29: 28,269,210 km (0.109 R)
• M30: 28,472,364 km (0.103 R)
• M31: 29,607,363 km (0.108 R)
• M32: 31,529,247 km (0.091 R)
• M33: 33,988,935 km (0.091 R)
• M34: 42,130,500 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.3

Radius: 4.9

Gravity: 38.5 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.61 AU - 9.45 AU

Year: 16343 Days

Day: 20.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 75,704,719 km

• M1: 61,186 km (0.081 R)
• M2: 222,302 km (0.115 R)
• M3: 409,150 km (0.117 R)
• M4: 832,213 km (0.03 R)
• M5: 1,458,579 km (0.094 R)
• M6: 1,926,970 km (0.075 R)
• M7: 2,269,699 km (0.051 R)
• M8: 2,604,948 km (0.11 R)
• M9: 3,515,550 km (0.063 R)
• M10: 4,058,441 km (0.073 R)
• M11: 4,938,824 km (0.118 R)
• M12: 5,196,132 km (0.105 R)
• M13: 7,161,699 km (0.115 R)
• M14: 8,806,079 km (0.085 R)
• M15: 11,431,820 km (0.077 R)
• M16: 11,817,185 km (0.057 R)
• M17: 13,731,289 km (0.117 R)
• M18: 14,462,075 km (0.117 R)
• M19: 15,763,576 km (0.082 R)
• M20: 17,308,324 km (0.112 R)
• M21: 17,902,078 km (0.103 R)
• M22: 19,400,301 km (0.113 R)
• M23: 19,581,912 km (0.117 R)
• M24: 19,948,577 km (0.071 R)
• M25: 22,145,721 km (0.037 R)
• M26: 22,744,411 km (0.104 R)
• M27: 24,711,324 km (0.101 R)
• M28: 26,010,283 km (0.053 R)
• M29: 26,901,288 km (0.067 R)
• M30: 28,043,168 km (0.117 R)
• M31: 30,058,102 km (0.033 R)
• M32: 30,915,148 km (0.117 R)
• M33: 31,788,351 km (0.052 R)
• M34: 32,549,804 km (0.117 R)
• M35: 33,323,225 km (0.056 R)
• M36: 35,445,869 km (0.109 R)
• M37: 43,272,680 km (0.051 R)
• M38: 45,314,990 km (0.045 R)
• M39: 46,441,013 km (0.048 R)
• M40: 49,930,533 km (0.101 R)
• M41: 60,855,666 km (0.04 R)
• M42: 61,635,968 km (0.07 R)
• M43: 63,017,355 km (0.059 R)
• M44: 65,026,454 km (0.107 R)
• M45: 69,383,792 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 537.1

Radius: 7.3

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 9.3 AU - 11.76 AU

Year: 22416 Days

Day: 18.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 75,704,719 km

• M1: 96,790 km (0.079 R)
• M2: 335,847 km (0.094 R)
• M3: 801,097 km (0.094 R)
• M4: 1,579,155 km (0.085 R)
• M5: 2,343,451 km (0.095 R)
• M6: 2,662,543 km (0.086 R)
• M7: 4,966,500 km (0.035 R)
• M8: 5,264,199 km (0.028 R)
• M9: 7,260,433 km (0.114 R)
• M10: 8,194,523 km (0.105 R)
• M11: 9,261,754 km (0.1 R)
• M12: 9,542,549 km (0.117 R)
• M13: 13,369,861 km (0.053 R)
• M14: 15,699,399 km (0.067 R)
• M15: 16,918,322 km (0.097 R)
• M16: 22,327,333 km (0.113 R)
• M17: 24,930,635 km (0.102 R)
• M18: 25,584,228 km (0.091 R)
• M19: 26,699,031 km (0.055 R)
• M20: 30,237,170 km (0.086 R)
• M21: 34,476,774 km (0.098 R)
• M22: 37,088,902 km (0.074 R)
• M23: 38,227,342 km (0.093 R)
• M24: 47,850,674 km (0.089 R)
• M25: 50,054,700 km (0.083 R)
• M26: 50,399,672 km (0.11 R)
• M27: 50,746,141 km (0.096 R)
• M28: 58,205,839 km (0.1 R)
• M29: 69,743,874 km (0.076 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: 212 - 14,421 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit