🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.9

Radius: 8.8

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.53 AU - 0.57 AU

Year: 282 Days

Day: 12.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,622,343 km

• M1: 109,506 km (0.118 R)
• M2: 413,489 km (0.057 R)
• M3: 877,840 km (0.098 R)
• M4: 1,293,274 km (0.099 R)
• M5: 1,754,185 km (0.093 R)
• M6: 2,268,502 km (0.114 R)
• M7: 2,573,831 km (0.112 R)
• M8: 2,889,034 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.7

Radius: 8.6

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.54 AU - 0.66 AU

Year: 321 Days

Day: 10.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,622,343 km

• M1: 106,962 km (0.116 R)
• M2: 454,179 km (0.11 R)
• M3: 743,801 km (0.104 R)
• M4: 1,197,980 km (0.093 R)
• M5: 1,558,511 km (0.062 R)
• M6: 1,908,570 km (0.075 R)
• M7: 2,203,128 km (0.06 R)
• M8: 2,537,030 km (0.029 R)
• M9: 3,025,019 km (0.107 R)
• M10: 3,340,371 km (0.088 R)
• M11: 4,012,963 km (0.083 R)
• M12: 4,355,542 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.3

Radius: 11.4

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.68 AU - 0.7 AU

Year: 396 Days

Day: 10.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,622,343 km

• M1: 141,819 km (0.118 R)
• M2: 522,845 km (0.09 R)
• M3: 891,304 km (0.077 R)
• M4: 1,375,702 km (0.075 R)
• M5: 1,847,683 km (0.074 R)
• M6: 2,372,772 km (0.1 R)
• M7: 2,790,000 km (0.097 R)
• M8: 3,267,666 km (0.08 R)
• M9: 3,737,553 km (0.069 R)
• M10: 4,292,711 km (0.062 R)
• M11: 4,902,472 km (0.027 R)
• M12: 5,298,457 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.1

Radius: 14.4

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.66 AU - 2.48 AU

Year: 2056 Days

Day: 5.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,622,343 km

• M1: 179,069 km (0.084 R)
• M2: 690,394 km (0.059 R)
• M3: 1,158,336 km (0.061 R)
• M4: 1,668,465 km (0.089 R)
• M5: 2,253,094 km (0.056 R)
• M6: 2,806,157 km (0.112 R)
• M7: 3,679,210 km (0.065 R)
• M8: 4,473,874 km (0.096 R)
• M9: 6,432,708 km (0.037 R)
• M10: 7,558,732 km (0.108 R)
• M11: 8,075,443 km (0.115 R)
• M12: 8,746,539 km (0.069 R)
• M13: 9,248,290 km (0.08 R)
• M14: 10,055,370 km (0.059 R)
• M15: 10,569,239 km (0.052 R)
• M16: 11,649,934 km (0.081 R)
• M17: 12,382,814 km (0.115 R)
• M18: 13,276,512 km (0.1 R)
• M19: 16,366,905 km (0.056 R)
• M20: 17,234,871 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.3

Radius: 9.5

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.67 AU - 3.67 AU

Year: 3896 Days

Day: 14.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,622,343 km

• M1: 118,182 km (0.074 R)
• M2: 586,424 km (0.068 R)
• M3: 1,064,239 km (0.095 R)
• M4: 1,587,981 km (0.084 R)
• M5: 2,091,079 km (0.07 R)
• M6: 2,457,444 km (0.107 R)
• M7: 2,849,241 km (0.117 R)
• M8: 3,759,544 km (0.046 R)
• M9: 5,774,029 km (0.039 R)
• M10: 6,291,338 km (0.108 R)
• M11: 6,808,049 km (0.111 R)
• M12: 9,316,357 km (0.101 R)
• M13: 9,628,568 km (0.068 R)
• M14: 11,077,722 km (0.102 R)
• M15: 11,606,551 km (0.054 R)
• M16: 16,236,007 km (0.026 R)
• M17: 18,585,591 km (0.045 R)
• M18: 20,555,795 km (0.062 R)
• M19: 22,312,522 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.3

Radius: 14.4

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.09 AU - 4.57 AU

Year: 6219 Days

Day: 13.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,622,343 km

• M1: 179,069 km (0.115 R)
• M2: 658,380 km (0.106 R)
• M3: 1,129,314 km (0.104 R)
• M4: 1,769,444 km (0.058 R)
• M5: 2,303,957 km (0.093 R)
• M6: 3,290,555 km (0.092 R)
• M7: 4,012,963 km (0.086 R)
• M8: 4,649,203 km (0.103 R)
• M9: 5,561,750 km (0.116 R)
• M10: 6,256,033 km (0.109 R)
• M11: 7,516,994 km (0.08 R)
• M12: 8,208,136 km (0.114 R)
• M13: 9,541,352 km (0.105 R)
• M14: 12,112,491 km (0.103 R)
• M15: 12,688,143 km (0.076 R)
• M16: 13,172,691 km (0.11 R)
• M17: 15,115,818 km (0.095 R)
• M18: 15,845,257 km (0.032 R)
• M19: 16,854,295 km (0.11 R)
• M20: 18,311,228 km (0.104 R)
• M21: 28,772,009 km (0.091 R)
• M22: 32,924,397 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.1

Radius: 8.7

Gravity: 10.72 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.39 AU - 6.63 AU

Year: 8928 Days

Day: 9.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,622,343 km

• M1: 108,159 km (0.1 R)
• M2: 400,473 km (0.03 R)
• M3: 971,339 km (0.043 R)
• M4: 2,977,297 km (0.117 R)
• M5: 3,436,712 km (0.049 R)
• M6: 7,052,343 km (0.112 R)
• M7: 7,331,642 km (0.085 R)
• M8: 7,785,672 km (0.105 R)
• M9: 9,403,423 km (0.101 R)
• M10: 9,939,582 km (0.086 R)
• M11: 10,291,286 km (0.117 R)
• M12: 10,966,422 km (0.062 R)
• M13: 11,287,907 km (0.113 R)
• M14: 12,754,116 km (0.104 R)
• M15: 13,169,699 km (0.118 R)
• M16: 14,153,455 km (0.119 R)
• M17: 15,053,884 km (0.086 R)
• M18: 15,451,216 km (0.112 R)
• M19: 16,968,438 km (0.047 R)
• M20: 18,281,608 km (0.117 R)
• M21: 19,739,888 km (0.06 R)
• M22: 22,973,595 km (0.036 R)
• M23: 27,911,223 km (0.092 R)
• M24: 28,612,089 km (0.041 R)
• M25: 30,468,150 km (0.119 R)
• M26: 31,857,764 km (0.071 R)
• M27: 32,513,003 km (0.087 R)
• M28: 36,516,391 km (0.1 R)
• M29: 37,113,885 km (0.083 R)
• M30: 42,393,045 km (0.098 R)
• M31: 43,452,347 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 959.2

Radius: 4.3

Gravity: 51.88 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6 AU - 8.42 AU

Year: 13363 Days

Day: 21.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,622,343 km

• M1: 56,249 km (0.11 R)
• M2: 499,358 km (0.043 R)
• M3: 929,900 km (0.102 R)
• M4: 1,093,710 km (0.079 R)
• M5: 1,347,278 km (0.103 R)
• M6: 1,542,504 km (0.038 R)
• M7: 2,104,692 km (0.104 R)
• M8: 2,519,378 km (0.085 R)
• M9: 3,481,591 km (0.099 R)
• M10: 4,371,848 km (0.043 R)
• M11: 5,820,704 km (0.104 R)
• M12: 6,631,823 km (0.084 R)
• M13: 7,197,902 km (0.081 R)
• M14: 7,561,873 km (0.06 R)
• M15: 8,984,699 km (0.115 R)
• M16: 13,472,485 km (0.106 R)
• M17: 16,935,377 km (0.116 R)
• M18: 31,021,362 km (0.108 R)
• M19: 35,374,212 km (0.099 R)
• M20: 38,171,841 km (0.1 R)
• M21: 40,399,952 km (0.093 R)
• M22: 41,690,533 km (0.082 R)
• M23: 46,971,039 km (0.095 R)
• M24: 61,612,631 km (0.043 R)
• M25: 64,865,487 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 771

Radius: 7.5

Gravity: 13.71 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 6.1 AU - 9.96 AU

Year: 15707 Days

Day: 22.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 77,622,343 km

• M1: 93,648 km (0.06 R)
• M2: 429,645 km (0.076 R)
• M3: 725,250 km (0.107 R)
• M4: 1,046,736 km (0.08 R)
• M5: 1,570,179 km (0.098 R)
• M6: 2,277,179 km (0.079 R)
• M7: 2,645,339 km (0.077 R)
• M8: 2,904,293 km (0.04 R)
• M9: 3,992,767 km (0.073 R)
• M10: 5,942,327 km (0.092 R)
• M11: 7,033,793 km (0.119 R)
• M12: 9,773,079 km (0.097 R)
• M13: 10,924,385 km (0.094 R)
• M14: 12,618,431 km (0.066 R)
• M15: 14,480,625 km (0.078 R)
• M16: 16,597,585 km (0.025 R)
• M17: 17,238,462 km (0.106 R)
• M18: 18,569,584 km (0.113 R)
• M19: 19,435,606 km (0.06 R)
• M20: 20,784,530 km (0.096 R)
• M21: 24,996,159 km (0.095 R)
• M22: 27,466,767 km (0.092 R)
• M23: 27,800,670 km (0.116 R)
• M24: 28,249,912 km (0.045 R)
• M25: 35,059,159 km (0.116 R)
• M26: 42,588,270 km (0.096 R)
• M27: 44,091,579 km (0.07 R)
• M28: 49,139,310 km (0.076 R)
• M29: 53,513,851 km (0.11 R)
• M30: 58,876,037 km (0.04 R)
• M31: 59,616,995 km (0.055 R)
• M32: 60,740,027 km (0.06 R)
• M33: 64,193,793 km (0.109 R)
• M34: 64,781,862 km (0.052 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599.7

Radius: 5.5

Gravity: 19.82 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.8 AU - 12.32 AU

Year: 22025 Days

Day: 20.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 77,622,343 km

• M1: 68,665 km (0.085 R)
• M2: 330,163 km (0.119 R)
• M3: 634,594 km (0.101 R)
• M4: 1,127,220 km (0.114 R)
• M5: 1,415,794 km (0.103 R)
• M6: 2,019,122 km (0.084 R)
• M7: 2,780,127 km (0.076 R)
• M8: 3,010,208 km (0.1 R)
• M9: 3,839,579 km (0.114 R)
• M10: 4,598,339 km (0.095 R)
• M11: 4,994,774 km (0.059 R)
• M12: 7,041,721 km (0.067 R)
• M13: 7,815,890 km (0.057 R)
• M14: 9,136,840 km (0.079 R)
• M15: 9,589,224 km (0.117 R)
• M16: 10,599,907 km (0.09 R)
• M17: 12,901,171 km (0.084 R)
• M18: 13,761,209 km (0.092 R)
• M19: 14,582,501 km (0.083 R)
• M20: 17,585,230 km (0.104 R)
• M21: 18,821,207 km (0.099 R)
• M22: 21,366,615 km (0.107 R)
• M23: 22,568,185 km (0.038 R)
• M24: 27,825,802 km (0.066 R)
• M25: 28,060,970 km (0.098 R)
• M26: 29,257,155 km (0.063 R)
• M27: 29,744,993 km (0.101 R)
• M28: 35,199,182 km (0.105 R)
• M29: 40,224,474 km (0.052 R)
• M30: 43,458,032 km (0.112 R)
• M31: 45,707,385 km (0.091 R)
• M32: 46,694,731 km (0.07 R)
• M33: 49,053,740 km (0.069 R)
• M34: 54,007,674 km (0.099 R)
• M35: 55,668,210 km (0.113 R)
• M36: 55,854,759 km (0.098 R)
• M37: 64,895,556 km (0.085 R)
• M38: 66,351,443 km (0.117 R)
• M39: 68,041,899 km (0.048 R)
• M40: 71,288,472 km (0.117 R)
• M41: 71,508,530 km (0.098 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: 473 - 20,258 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit