🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.7

Radius: 9

Gravity: 9.59 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.76 AU - 1.02 AU

Year: 569 Days

Day: 8.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,168,025 km

• M1: 111,899 km (0.113 R)
• M2: 812,017 km (0.045 R)
• M3: 1,440,179 km (0.081 R)
• M4: 1,782,159 km (0.116 R)
• M5: 2,235,441 km (0.098 R)
• M6: 2,820,219 km (0.119 R)
• M7: 3,374,030 km (0.12 R)
• M8: 3,800,833 km (0.079 R)
• M9: 5,026,788 km (0.095 R)
• M10: 5,602,739 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537

Radius: 10.8

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.19 AU - 1.43 AU

Year: 1017 Days

Day: 7.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,168,025 km

• M1: 134,339 km (0.076 R)
• M2: 520,900 km (0.04 R)
• M3: 999,613 km (0.076 R)
• M4: 1,446,462 km (0.105 R)
• M5: 1,792,930 km (0.108 R)
• M6: 2,195,498 km (0.06 R)
• M7: 2,851,635 km (0.108 R)
• M8: 4,502,896 km (0.062 R)
• M9: 5,161,725 km (0.045 R)
• M10: 6,626,886 km (0.107 R)
• M11: 7,079,270 km (0.082 R)
• M12: 7,673,473 km (0.12 R)
• M13: 8,096,386 km (0.113 R)
• M14: 8,800,095 km (0.097 R)
• M15: 9,431,248 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.2

Radius: 11.2

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.72 AU - 2.1 AU

Year: 1790 Days

Day: 10.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,168,025 km

• M1: 139,276 km (0.094 R)
• M2: 977,173 km (0.076 R)
• M3: 1,387,371 km (0.106 R)
• M4: 1,824,346 km (0.059 R)
• M5: 2,500,678 km (0.092 R)
• M6: 2,936,157 km (0.095 R)
• M7: 3,738,900 km (0.083 R)
• M8: 4,514,714 km (0.096 R)
• M9: 4,897,535 km (0.113 R)
• M10: 7,007,912 km (0.084 R)
• M11: 7,670,332 km (0.069 R)
• M12: 8,758,058 km (0.096 R)
• M13: 9,153,744 km (0.05 R)
• M14: 9,595,806 km (0.116 R)
• M15: 10,087,983 km (0.092 R)
• M16: 12,226,784 km (0.088 R)
• M17: 12,763,690 km (0.113 R)
• M18: 14,062,649 km (0.084 R)
• M19: 16,026,719 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.6

Radius: 9.3

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.14 AU - 2.36 AU

Year: 2289 Days

Day: 12.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,168,025 km

• M1: 115,639 km (0.082 R)
• M2: 417,528 km (0.086 R)
• M3: 731,085 km (0.063 R)
• M4: 1,070,672 km (0.06 R)
• M5: 1,418,188 km (0.084 R)
• M6: 1,947,615 km (0.057 R)
• M7: 3,243,282 km (0.104 R)
• M8: 3,788,716 km (0.102 R)
• M9: 4,787,581 km (0.102 R)
• M10: 6,137,253 km (0.057 R)
• M11: 6,657,853 km (0.113 R)
• M12: 6,972,607 km (0.103 R)
• M13: 7,297,085 km (0.088 R)
• M14: 8,266,629 km (0.111 R)
• M15: 9,897,096 km (0.095 R)
• M16: 11,283,270 km (0.062 R)
• M17: 11,731,615 km (0.058 R)
• M18: 12,065,068 km (0.085 R)
• M19: 13,148,157 km (0.091 R)
• M20: 13,782,302 km (0.114 R)
• M21: 17,858,545 km (0.097 R)
• M22: 18,411,908 km (0.101 R)
• M23: 18,805,948 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.2

Radius: 9.4

Gravity: 10.6 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.79 AU - 4.01 AU

Year: 4252 Days

Day: 14.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,168,025 km

• M1: 118,033 km (0.09 R)
• M2: 1,018,163 km (0.068 R)
• M3: 1,347,278 km (0.09 R)
• M4: 1,773,932 km (0.081 R)
• M5: 2,197,144 km (0.104 R)
• M6: 2,532,542 km (0.112 R)
• M7: 3,368,794 km (0.054 R)
• M8: 4,628,259 km (0.106 R)
• M9: 4,993,876 km (0.086 R)
• M10: 5,435,339 km (0.075 R)
• M11: 5,902,683 km (0.052 R)
• M12: 6,396,506 km (0.095 R)
• M13: 6,719,039 km (0.1 R)
• M14: 7,257,741 km (0.078 R)
• M15: 9,455,184 km (0.109 R)
• M16: 10,088,731 km (0.069 R)
• M17: 12,013,906 km (0.085 R)
• M18: 16,277,146 km (0.056 R)
• M19: 18,066,636 km (0.041 R)
• M20: 19,041,864 km (0.091 R)
• M21: 20,465,886 km (0.114 R)
• M22: 21,168,248 km (0.116 R)
• M23: 21,741,657 km (0.047 R)
• M24: 23,372,124 km (0.088 R)
• M25: 25,643,917 km (0.049 R)
• M26: 27,293,832 km (0.089 R)
• M27: 29,013,460 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.5

Radius: 13.3

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.35 AU - 5.71 AU

Year: 7651 Days

Day: 5.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,168,025 km

• M1: 166,054 km (0.104 R)
• M2: 713,133 km (0.097 R)
• M3: 1,205,759 km (0.076 R)
• M4: 1,660,237 km (0.044 R)
• M5: 2,733,003 km (0.086 R)
• M6: 3,223,385 km (0.098 R)
• M7: 3,845,563 km (0.066 R)
• M8: 5,240,563 km (0.085 R)
• M9: 7,792,104 km (0.068 R)
• M10: 10,196,740 km (0.04 R)
• M11: 11,284,766 km (0.117 R)
• M12: 12,070,005 km (0.101 R)
• M13: 12,668,696 km (0.036 R)
• M14: 20,860,077 km (0.095 R)
• M15: 22,692,052 km (0.113 R)
• M16: 24,456,559 km (0.117 R)
• M17: 32,434,314 km (0.073 R)
• M18: 36,104,549 km (0.106 R)
• M19: 38,039,597 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.1

Radius: 5.5

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.49 AU - 6.05 AU

Year: 9401 Days

Day: 19.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,168,025 km

• M1: 68,516 km (0.07 R)
• M2: 260,599 km (0.102 R)
• M3: 479,910 km (0.1 R)
• M4: 693,237 km (0.114 R)
• M5: 1,569,730 km (0.09 R)
• M6: 3,005,272 km (0.097 R)
• M7: 3,179,553 km (0.089 R)
• M8: 3,591,097 km (0.045 R)
• M9: 3,877,128 km (0.074 R)
• M10: 5,094,256 km (0.027 R)
• M11: 5,484,258 km (0.064 R)
• M12: 6,450,361 km (0.065 R)
• M13: 10,023,207 km (0.094 R)
• M14: 10,502,070 km (0.105 R)
• M15: 11,458,299 km (0.111 R)
• M16: 11,837,380 km (0.107 R)
• M17: 13,912,752 km (0.103 R)
• M18: 22,812,179 km (0.107 R)
• M19: 23,110,777 km (0.082 R)
• M20: 26,569,629 km (0.06 R)
• M21: 27,654,064 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809.6

Radius: 3.1

Gravity: 84.25 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.82 AU - 8.44 AU

Year: 12913 Days

Day: 22.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,168,025 km

• M1: 38,596 km (0.036 R)
• M2: 450,439 km (0.089 R)
• M3: 858,393 km (0.104 R)
• M4: 976,874 km (0.068 R)
• M5: 1,385,426 km (0.109 R)
• M6: 1,862,643 km (0.106 R)
• M7: 2,157,800 km (0.09 R)
• M8: 2,378,307 km (0.061 R)
• M9: 2,547,801 km (0.102 R)
• M10: 2,817,227 km (0.036 R)
• M11: 3,601,120 km (0.088 R)
• M12: 4,424,806 km (0.107 R)
• M13: 4,846,971 km (0.118 R)
• M14: 5,547,837 km (0.05 R)
• M15: 6,313,778 km (0.047 R)
• M16: 7,681,701 km (0.082 R)
• M17: 12,123,860 km (0.075 R)
• M18: 14,421,235 km (0.039 R)
• M19: 15,782,127 km (0.11 R)
• M20: 16,761,245 km (0.069 R)
• M21: 17,620,535 km (0.095 R)
• M22: 19,767,863 km (0.081 R)
• M23: 27,243,567 km (0.041 R)
• M24: 27,456,595 km (0.115 R)
• M25: 28,979,501 km (0.072 R)
• M26: 34,007,486 km (0.096 R)
• M27: 34,130,904 km (0.077 R)
• M28: 35,761,969 km (0.08 R)
• M29: 36,532,099 km (0.027 R)
• M30: 39,722,872 km (0.113 R)
• M31: 41,808,715 km (0.119 R)
• M32: 43,674,500 km (0.099 R)
• M33: 49,603,363 km (0.087 R)
• M34: 49,762,086 km (0.094 R)
• M35: 59,199,468 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 478.1

Radius: 4.1

Gravity: 28.44 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 9.28 AU - 10 AU

Year: 20301 Days

Day: 20.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 68,168,025 km

• M1: 52,509 km (0.074 R)
• M2: 190,588 km (0.077 R)
• M3: 409,898 km (0.118 R)
• M4: 681,867 km (0.06 R)
• M5: 934,987 km (0.049 R)
• M6: 1,141,133 km (0.102 R)
• M7: 1,347,578 km (0.066 R)
• M8: 1,498,671 km (0.096 R)
• M9: 1,983,668 km (0.103 R)
• M10: 2,543,762 km (0.054 R)
• M11: 3,282,327 km (0.086 R)
• M12: 4,677,327 km (0.11 R)
• M13: 4,884,370 km (0.106 R)
• M14: 6,094,168 km (0.079 R)
• M15: 6,467,415 km (0.117 R)
• M16: 11,077,722 km (0.112 R)
• M17: 11,383,949 km (0.103 R)
• M18: 12,732,275 km (0.098 R)
• M19: 13,272,772 km (0.064 R)
• M20: 13,548,780 km (0.035 R)
• M21: 15,060,466 km (0.077 R)
• M22: 15,973,013 km (0.105 R)
• M23: 16,522,038 km (0.057 R)
• M24: 19,280,473 km (0.112 R)
• M25: 27,990,659 km (0.071 R)
• M26: 29,250,124 km (0.107 R)
• M27: 30,070,967 km (0.038 R)
• M28: 30,666,516 km (0.074 R)
• M29: 31,635,761 km (0.079 R)
• M30: 34,019,453 km (0.102 R)
• M31: 34,536,015 km (0.12 R)
• M32: 37,334,393 km (0.116 R)
• M33: 38,858,795 km (0.117 R)
• M34: 44,290,394 km (0.119 R)
• M35: 46,947,253 km (0.072 R)
• M36: 59,379,883 km (0.095 R)
• M37: 61,263,170 km (0.095 R)
• M38: 62,604,914 km (0.102 R)
• M39: 64,950,459 km (0.096 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: 238 - 12,210 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit