🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.9

Radius: 8.4

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.74 AU - 0.9 AU

Year: 479 Days

Day: 7.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,091,776 km

• M1: 104,569 km (0.034 R)
• M2: 384,915 km (0.117 R)
• M3: 661,073 km (0.094 R)
• M4: 925,412 km (0.081 R)
• M5: 1,250,937 km (0.084 R)
• M6: 1,820,157 km (0.095 R)
• M7: 3,408,737 km (0.118 R)
• M8: 3,696,264 km (0.117 R)
• M9: 4,672,390 km (0.09 R)
• M10: 5,012,875 km (0.115 R)
• M11: 5,433,843 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.2

Radius: 13.2

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.2 AU - 2.9 AU

Year: 2629 Days

Day: 10.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,091,776 km

• M1: 164,109 km (0.091 R)
• M2: 600,486 km (0.04 R)
• M3: 1,232,537 km (0.103 R)
• M4: 1,991,896 km (0.065 R)
• M5: 2,526,110 km (0.111 R)
• M6: 2,984,777 km (0.051 R)
• M7: 3,689,831 km (0.104 R)
• M8: 4,750,929 km (0.069 R)
• M9: 5,251,184 km (0.11 R)
• M10: 5,907,919 km (0.029 R)
• M11: 6,886,140 km (0.042 R)
• M12: 8,334,546 km (0.092 R)
• M13: 9,530,880 km (0.07 R)
• M14: 10,152,759 km (0.104 R)
• M15: 10,582,254 km (0.086 R)
• M16: 11,516,343 km (0.085 R)
• M17: 13,420,575 km (0.094 R)
• M18: 14,740,925 km (0.101 R)
• M19: 15,246,117 km (0.083 R)
• M20: 16,097,778 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.4

Radius: 10.5

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.03 AU - 4.15 AU

Year: 5341 Days

Day: 8.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,091,776 km

• M1: 131,497 km (0.102 R)
• M2: 625,319 km (0.054 R)
• M3: 1,153,250 km (0.081 R)
• M4: 1,793,379 km (0.098 R)
• M5: 2,530,897 km (0.058 R)
• M6: 3,080,071 km (0.059 R)
• M7: 4,339,685 km (0.101 R)
• M8: 5,071,368 km (0.072 R)
• M9: 5,883,385 km (0.042 R)
• M10: 7,352,436 km (0.094 R)
• M11: 9,137,288 km (0.115 R)
• M12: 9,570,225 km (0.085 R)
• M13: 9,971,596 km (0.098 R)
• M14: 13,766,744 km (0.103 R)
• M15: 14,510,395 km (0.088 R)
• M16: 14,862,548 km (0.11 R)
• M17: 15,645,095 km (0.059 R)
• M18: 16,391,738 km (0.068 R)
• M19: 17,423,814 km (0.032 R)
• M20: 18,567,489 km (0.068 R)
• M21: 23,484,173 km (0.092 R)
• M22: 24,711,623 km (0.101 R)
• M23: 26,763,807 km (0.076 R)
• M24: 28,012,052 km (0.046 R)
• M25: 30,624,180 km (0.07 R)
• M26: 32,888,194 km (0.118 R)
• M27: 34,423,517 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.7

Radius: 12.7

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.65 AU - 5.33 AU

Year: 7197 Days

Day: 5.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,091,776 km

• M1: 157,975 km (0.066 R)
• M2: 681,568 km (0.07 R)
• M3: 1,493,884 km (0.106 R)
• M4: 3,287,264 km (0.105 R)
• M5: 3,954,021 km (0.117 R)
• M6: 4,738,213 km (0.107 R)
• M7: 5,953,247 km (0.101 R)
• M8: 6,579,913 km (0.118 R)
• M9: 7,059,374 km (0.094 R)
• M10: 7,522,828 km (0.105 R)
• M11: 8,214,120 km (0.096 R)
• M12: 9,630,213 km (0.111 R)
• M13: 11,835,286 km (0.099 R)
• M14: 12,269,718 km (0.113 R)
• M15: 15,745,924 km (0.102 R)
• M16: 19,229,310 km (0.063 R)
• M17: 24,925,848 km (0.059 R)
• M18: 26,646,822 km (0.085 R)
• M19: 28,060,521 km (0.062 R)
• M20: 31,552,884 km (0.111 R)
• M21: 35,549,391 km (0.094 R)
• M22: 36,000,728 km (0.116 R)
• M23: 37,261,538 km (0.083 R)
• M24: 40,849,793 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436

Radius: 5.8

Gravity: 12.96 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 6.62 AU - 8.08 AU

Year: 12866 Days

Day: 16.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 86,091,776 km

• M1: 74,949 km (0.102 R)
• M2: 1,453,942 km (0.108 R)
• M3: 1,728,603 km (0.115 R)
• M4: 3,863,814 km (0.086 R)
• M5: 4,053,354 km (0.115 R)
• M6: 4,569,617 km (0.077 R)
• M7: 6,570,638 km (0.091 R)
• M8: 6,999,385 km (0.075 R)
• M9: 7,241,135 km (0.101 R)
• M10: 7,783,727 km (0.108 R)
• M11: 9,186,805 km (0.106 R)
• M12: 9,922,827 km (0.045 R)
• M13: 11,848,600 km (0.105 R)
• M14: 13,695,535 km (0.094 R)
• M15: 15,863,657 km (0.057 R)
• M16: 16,071,449 km (0.109 R)
• M17: 16,281,035 km (0.081 R)
• M18: 17,137,633 km (0.065 R)
• M19: 17,651,053 km (0.084 R)
• M20: 18,708,560 km (0.071 R)
• M21: 19,174,408 km (0.059 R)
• M22: 24,821,428 km (0.054 R)
• M23: 25,383,916 km (0.086 R)
• M24: 27,122,244 km (0.111 R)
• M25: 29,666,155 km (0.084 R)
• M26: 34,175,185 km (0.04 R)
• M27: 34,406,014 km (0.058 R)
• M28: 36,051,890 km (0.099 R)
• M29: 39,373,112 km (0.104 R)
• M30: 39,881,745 km (0.119 R)
• M31: 41,303,374 km (0.106 R)
• M32: 43,161,230 km (0.083 R)
• M33: 43,431,104 km (0.062 R)
• M34: 47,328,428 km (0.085 R)
• M35: 48,628,882 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97.4

Radius: 3.4

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.1 AU - 8.88 AU

Year: 13235 Days

Day: 24 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,091,776 km

• M1: 44,580 km (0.078 R)
• M2: 317,297 km (0.078 R)
• M3: 1,926,671 km (0.105 R)
• M4: 2,714,154 km (0.06 R)
• M5: 5,503,107 km (0.047 R)
• M6: 5,827,735 km (0.057 R)
• M7: 6,227,610 km (0.117 R)
• M8: 7,359,766 km (0.106 R)
• M9: 9,140,879 km (0.105 R)
• M10: 9,304,539 km (0.053 R)
• M11: 10,685,327 km (0.107 R)
• M12: 15,003,918 km (0.071 R)
• M13: 16,047,513 km (0.097 R)
• M14: 17,449,993 km (0.062 R)
• M15: 17,956,382 km (0.107 R)
• M16: 20,988,581 km (0.054 R)
• M17: 24,266,719 km (0.12 R)
• M18: 28,301,075 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.8

Radius: 7.7

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.03 AU - 8.95 AU

Year: 13235 Days

Day: 17 Hours

Environment

Temp: -220 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,091,776 km

• M1: 95,892 km (0.1 R)
• M2: 1,245,701 km (0.043 R)
• M3: 1,883,437 km (0.039 R)
• M4: 2,828,746 km (0.111 R)
• M5: 5,929,910 km (0.093 R)
• M6: 7,443,392 km (0.071 R)
• M7: 7,869,596 km (0.111 R)
• M8: 8,631,648 km (0.071 R)
• M9: 10,939,344 km (0.077 R)
• M10: 15,262,274 km (0.069 R)
• M11: 17,836,554 km (0.098 R)
• M12: 22,658,991 km (0.031 R)
• M13: 25,415,332 km (0.077 R)
• M14: 35,367,031 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751.2

Radius: 6

Gravity: 20.87 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.47 AU - 9.99 AU

Year: 18106 Days

Day: 20.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 86,091,776 km

• M1: 152,440 km (0.05 R)
• M2: 347,815 km (0.115 R)
• M3: 793,467 km (0.087 R)
• M4: 1,114,205 km (0.085 R)
• M5: 1,455,288 km (0.108 R)
• M6: 1,667,717 km (0.117 R)
• M7: 2,015,831 km (0.087 R)
• M8: 2,616,018 km (0.097 R)
• M9: 2,882,153 km (0.053 R)
• M10: 3,192,867 km (0.115 R)
• M11: 4,068,015 km (0.099 R)
• M12: 4,629,905 km (0.074 R)
• M13: 6,029,692 km (0.095 R)
• M14: 12,146,300 km (0.03 R)
• M15: 14,610,177 km (0.101 R)
• M16: 16,078,181 km (0.114 R)
• M17: 19,849,842 km (0.112 R)
• M18: 21,744,051 km (0.095 R)
• M19: 25,559,993 km (0.047 R)
• M20: 32,786,468 km (0.089 R)
• M21: 33,824,827 km (0.044 R)
• M22: 41,564,422 km (0.094 R)
• M23: 42,169,396 km (0.107 R)
• M24: 44,964,482 km (0.032 R)
• M25: 46,569,518 km (0.065 R)
• M26: 49,384,950 km (0.049 R)
• M27: 72,770,687 km (0.085 R)
• M28: 72,989,699 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 731.1

Radius: 3.6

Gravity: 56.41 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 9.95 AU - 11.89 AU

Year: 23300 Days

Day: 15.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,091,776 km

• M1: 44,730 km (0.113 R)
• M2: 208,839 km (0.083 R)
• M3: 505,940 km (0.113 R)
• M4: 899,981 km (0.063 R)
• M5: 1,325,736 km (0.06 R)
• M6: 1,610,122 km (0.048 R)
• M7: 5,227,997 km (0.114 R)
• M8: 9,266,541 km (0.097 R)
• M9: 14,914,459 km (0.074 R)
• M10: 20,552,204 km (0.098 R)
• M11: 22,181,175 km (0.046 R)
• M12: 24,004,175 km (0.108 R)
• M13: 31,629,328 km (0.109 R)
• M14: 31,761,872 km (0.114 R)
• M15: 33,656,230 km (0.115 R)
• M16: 40,253,496 km (0.117 R)
• M17: 51,777,169 km (0.091 R)
• M18: 53,449,823 km (0.112 R)
• M19: 58,483,792 km (0.111 R)
• M20: 69,704,829 km (0.118 R)
• M21: 78,092,781 km (0.074 R)
• M22: 85,063,294 km (0.077 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 15,290 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit