🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.2

Radius: 12.9

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.53 AU - 0.77 AU

Year: 349 Days

Day: 11.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 89,436,403 km

• M1: 162,613 km (0.102 R)
• M2: 588,518 km (0.041 R)
• M3: 1,065,885 km (0.113 R)
• M4: 1,535,473 km (0.112 R)
• M5: 2,450,413 km (0.096 R)
• M6: 2,938,551 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.1

Radius: 11.7

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.6 AU - 0.78 AU

Year: 382 Days

Day: 14.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 89,436,403 km

• M1: 145,559 km (0.08 R)
• M2: 522,845 km (0.032 R)
• M3: 1,154,148 km (0.11 R)
• M4: 1,691,204 km (0.096 R)
• M5: 2,189,215 km (0.077 R)
• M6: 2,587,146 km (0.117 R)
• M7: 3,242,384 km (0.117 R)
• M8: 3,776,000 km (0.102 R)
• M9: 4,478,960 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.9

Radius: 12.5

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.03 AU - 1.31 AU

Year: 844 Days

Day: 12.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 138.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,436,403 km

• M1: 156,330 km (0.117 R)
• M2: 569,220 km (0.074 R)
• M3: 969,245 km (0.026 R)
• M4: 1,418,487 km (0.083 R)
• M5: 1,931,009 km (0.11 R)
• M6: 2,673,015 km (0.115 R)
• M7: 3,567,760 km (0.096 R)
• M8: 4,061,133 km (0.109 R)
• M9: 4,850,412 km (0.098 R)
• M10: 5,617,550 km (0.089 R)
• M11: 6,137,103 km (0.113 R)
• M12: 7,369,640 km (0.074 R)
• M13: 7,840,574 km (0.088 R)
• M14: 9,176,633 km (0.117 R)
• M15: 9,693,044 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.2

Radius: 8

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.03 AU - 2.33 AU

Year: 2146 Days

Day: 12.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,436,403 km

• M1: 99,632 km (0.093 R)
• M2: 368,609 km (0.088 R)
• M3: 724,203 km (0.078 R)
• M4: 1,084,734 km (0.071 R)
• M5: 1,373,608 km (0.118 R)
• M6: 1,668,615 km (0.11 R)
• M7: 2,120,999 km (0.108 R)
• M8: 2,578,918 km (0.099 R)
• M9: 2,910,726 km (0.109 R)
• M10: 3,583,467 km (0.105 R)
• M11: 3,964,942 km (0.094 R)
• M12: 4,999,710 km (0.094 R)
• M13: 6,898,257 km (0.111 R)
• M14: 7,239,340 km (0.075 R)
• M15: 7,668,686 km (0.082 R)
• M16: 9,001,453 km (0.052 R)
• M17: 9,379,637 km (0.098 R)
• M18: 9,920,732 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.7

Radius: 9.9

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.16 AU - 3.24 AU

Year: 3817 Days

Day: 9.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,436,403 km

• M1: 123,119 km (0.075 R)
• M2: 449,242 km (0.088 R)
• M3: 969,095 km (0.068 R)
• M4: 1,319,004 km (0.118 R)
• M5: 1,648,419 km (0.084 R)
• M6: 2,432,162 km (0.032 R)
• M7: 3,466,332 km (0.091 R)
• M8: 4,486,590 km (0.114 R)
• M9: 4,966,500 km (0.078 R)
• M10: 6,259,325 km (0.045 R)
• M11: 6,675,506 km (0.12 R)
• M12: 8,001,841 km (0.098 R)
• M13: 8,421,313 km (0.098 R)
• M14: 9,266,391 km (0.07 R)
• M15: 12,141,962 km (0.106 R)
• M16: 13,171,644 km (0.059 R)
• M17: 14,258,472 km (0.075 R)
• M18: 15,835,383 km (0.084 R)
• M19: 17,467,347 km (0.105 R)
• M20: 17,877,544 km (0.113 R)
• M21: 23,883,150 km (0.072 R)
• M22: 24,315,937 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.5

Radius: 14.8

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.18 AU - 3.98 AU

Year: 4517 Days

Day: 5.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 89,436,403 km

• M1: 185,202 km (0.096 R)
• M2: 807,679 km (0.037 R)
• M3: 1,340,397 km (0.102 R)
• M4: 2,029,594 km (0.093 R)
• M5: 2,687,376 km (0.105 R)
• M6: 3,404,848 km (0.035 R)
• M7: 4,178,418 km (0.095 R)
• M8: 4,807,926 km (0.117 R)
• M9: 5,389,712 km (0.1 R)
• M10: 7,423,346 km (0.046 R)
• M11: 8,240,150 km (0.096 R)
• M12: 10,222,920 km (0.11 R)
• M13: 10,787,054 km (0.08 R)
• M14: 12,752,919 km (0.09 R)
• M15: 13,407,260 km (0.106 R)
• M16: 14,728,509 km (0.104 R)
• M17: 16,309,758 km (0.079 R)
• M18: 16,901,119 km (0.111 R)
• M19: 18,189,755 km (0.114 R)
• M20: 18,890,322 km (0.08 R)
• M21: 19,741,533 km (0.062 R)
• M22: 20,549,661 km (0.075 R)
• M23: 21,591,012 km (0.038 R)
• M24: 23,329,788 km (0.041 R)
• M25: 24,233,359 km (0.09 R)
• M26: 26,271,331 km (0.039 R)
• M27: 27,166,973 km (0.096 R)
• M28: 28,167,334 km (0.025 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.6

Radius: 8.7

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.11 AU - 4.71 AU

Year: 5156 Days

Day: 8.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 62.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,436,403 km

• M1: 111,450 km (0.042 R)
• M2: 500,704 km (0.12 R)
• M3: 1,516,324 km (0.111 R)
• M4: 2,906,687 km (0.062 R)
• M5: 3,479,646 km (0.088 R)
• M6: 5,332,566 km (0.095 R)
• M7: 7,911,035 km (0.116 R)
• M8: 9,155,539 km (0.088 R)
• M9: 9,927,763 km (0.116 R)
• M10: 11,297,781 km (0.058 R)
• M11: 12,146,300 km (0.046 R)
• M12: 13,497,917 km (0.101 R)
• M13: 13,883,281 km (0.106 R)
• M14: 15,129,431 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 625

Radius: 7.7

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.41 AU - 6.49 AU

Year: 9678 Days

Day: 19.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,436,403 km

• M1: 102,475 km (0.087 R)
• M2: 343,178 km (0.112 R)
• M3: 605,871 km (0.093 R)
• M4: 1,081,593 km (0.043 R)
• M5: 3,936,219 km (0.112 R)
• M6: 6,368,531 km (0.034 R)
• M7: 7,565,912 km (0.112 R)
• M8: 7,813,946 km (0.092 R)
• M9: 8,370,150 km (0.107 R)
• M10: 9,230,039 km (0.06 R)
• M11: 10,298,018 km (0.11 R)
• M12: 11,554,491 km (0.102 R)
• M13: 12,219,603 km (0.094 R)
• M14: 12,851,654 km (0.092 R)
• M15: 14,685,873 km (0.07 R)
• M16: 15,400,054 km (0.114 R)
• M17: 19,399,403 km (0.085 R)
• M18: 27,192,704 km (0.084 R)
• M19: 28,767,072 km (0.118 R)
• M20: 35,097,755 km (0.091 R)
• M21: 37,199,605 km (0.102 R)
• M22: 41,396,274 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989.8

Radius: 3.8

Gravity: 68.55 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 8.44 AU - 9.28 AU

Year: 17587 Days

Day: 19.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 89,436,403 km

• M1: 53,107 km (0.052 R)
• M2: 176,974 km (0.086 R)
• M3: 492,327 km (0.049 R)
• M4: 809,773 km (0.099 R)
• M5: 1,310,029 km (0.096 R)
• M6: 1,482,664 km (0.045 R)
• M7: 2,072,978 km (0.091 R)
• M8: 2,731,059 km (0.098 R)
• M9: 3,667,691 km (0.08 R)
• M10: 4,411,342 km (0.106 R)
• M11: 5,485,604 km (0.07 R)
• M12: 6,061,855 km (0.111 R)
• M13: 6,814,781 km (0.082 R)
• M14: 8,557,297 km (0.085 R)
• M15: 9,502,008 km (0.039 R)
• M16: 11,014,592 km (0.099 R)
• M17: 12,266,277 km (0.08 R)
• M18: 12,610,801 km (0.095 R)
• M19: 13,830,323 km (0.111 R)
• M20: 16,335,489 km (0.07 R)
• M21: 21,517,559 km (0.09 R)
• M22: 23,992,507 km (0.115 R)
• M23: 26,765,752 km (0.108 R)
• M24: 30,996,230 km (0.052 R)
• M25: 34,006,139 km (0.068 R)
• M26: 35,512,141 km (0.097 R)
• M27: 37,205,140 km (0.111 R)
• M28: 38,217,170 km (0.074 R)
• M29: 38,951,246 km (0.118 R)
• M30: 39,396,150 km (0.03 R)
• M31: 44,839,568 km (0.067 R)
• M32: 49,539,185 km (0.067 R)
• M33: 51,828,481 km (0.066 R)
• M34: 55,113,202 km (0.115 R)
• M35: 55,486,598 km (0.059 R)
• M36: 64,960,183 km (0.064 R)
• M37: 66,215,159 km (0.076 R)
• M38: 67,486,292 km (0.105 R)
• M39: 70,955,168 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897.3

Radius: 6.6

Gravity: 20.6 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 9.16 AU - 11.58 AU

Year: 22269 Days

Day: 22.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 89,436,403 km

• M1: 82,129 km (0.054 R)
• M2: 301,889 km (0.083 R)
• M3: 851,810 km (0.078 R)
• M4: 1,821,354 km (0.063 R)
• M5: 2,423,037 km (0.12 R)
• M6: 3,121,210 km (0.09 R)
• M7: 5,221,115 km (0.093 R)
• M8: 5,630,864 km (0.089 R)
• M9: 6,702,134 km (0.088 R)
• M10: 6,941,491 km (0.095 R)
• M11: 8,836,297 km (0.082 R)
• M12: 9,598,050 km (0.06 R)
• M13: 15,690,273 km (0.109 R)
• M14: 18,904,085 km (0.091 R)
• M15: 19,382,648 km (0.098 R)
• M16: 23,396,209 km (0.085 R)
• M17: 25,191,683 km (0.072 R)
• M18: 25,771,076 km (0.113 R)
• M19: 30,730,544 km (0.115 R)
• M20: 31,126,380 km (0.104 R)
• M21: 32,606,501 km (0.114 R)
• M22: 35,706,618 km (0.11 R)
• M23: 36,880,961 km (0.116 R)
• M24: 42,648,707 km (0.103 R)
• M25: 46,003,290 km (0.061 R)
• M26: 47,217,726 km (0.109 R)
• M27: 52,853,825 km (0.071 R)
• M28: 53,802,874 km (0.115 R)
• M29: 54,956,872 km (0.072 R)
• M30: 60,767,253 km (0.076 R)
• M31: 64,141,733 km (0.075 R)
• M32: 71,261,544 km (0.064 R)
• M33: 72,419,581 km (0.043 R)
• M34: 73,354,867 km (0.068 R)
• M35: 74,773,055 km (0.042 R)
• M36: 75,728,537 km (0.111 R)
• M37: 82,646,391 km (0.091 R)
• M38: 84,956,332 km (0.115 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 13,942 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit