🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178

Radius: 11.5

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.65 AU - 0.89 AU

Year: 443 Days

Day: 7 Hours

Environment

Temp: -148 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,575,450 km

• M1: 143,016 km (0.066 R)
• M2: 530,773 km (0.108 R)
• M3: 908,209 km (0.083 R)
• M4: 1,370,466 km (0.115 R)
• M5: 1,926,970 km (0.114 R)
• M6: 2,321,011 km (0.115 R)
• M7: 3,071,394 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.7

Radius: 12.8

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.13 AU - 2.77 AU

Year: 2516 Days

Day: 11.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,575,450 km

• M1: 159,172 km (0.066 R)
• M2: 593,904 km (0.068 R)
• M3: 1,109,268 km (0.114 R)
• M4: 1,528,890 km (0.109 R)
• M5: 2,034,381 km (0.041 R)
• M6: 2,440,839 km (0.081 R)
• M7: 3,200,796 km (0.109 R)
• M8: 4,650,549 km (0.088 R)
• M9: 5,105,626 km (0.074 R)
• M10: 7,590,596 km (0.036 R)
• M11: 8,253,614 km (0.114 R)
• M12: 9,498,567 km (0.109 R)
• M13: 10,200,331 km (0.096 R)
• M14: 10,864,845 km (0.076 R)
• M15: 13,732,187 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.7

Radius: 8.8

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.12 AU - 3.48 AU

Year: 3074 Days

Day: 13.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,575,450 km

• M1: 109,655 km (0.092 R)
• M2: 472,280 km (0.038 R)
• M3: 1,427,612 km (0.088 R)
• M4: 1,715,140 km (0.097 R)
• M5: 5,027,685 km (0.12 R)
• M6: 5,702,970 km (0.09 R)
• M7: 6,194,698 km (0.077 R)
• M8: 7,903,704 km (0.087 R)
• M9: 9,089,118 km (0.071 R)
• M10: 9,473,884 km (0.094 R)
• M11: 9,833,068 km (0.033 R)
• M12: 11,202,188 km (0.068 R)
• M13: 12,140,765 km (0.119 R)
• M14: 16,168,837 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.7

Radius: 9.5

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.42 AU - 3.68 AU

Year: 3494 Days

Day: 10.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,575,450 km

• M1: 118,182 km (0.081 R)
• M2: 427,551 km (0.114 R)
• M3: 770,130 km (0.071 R)
• M4: 1,067,231 km (0.117 R)
• M5: 1,411,905 km (0.118 R)
• M6: 1,998,029 km (0.101 R)
• M7: 2,377,559 km (0.084 R)
• M8: 2,993,753 km (0.088 R)
• M9: 3,416,217 km (0.11 R)
• M10: 3,962,698 km (0.054 R)
• M11: 4,878,237 km (0.113 R)
• M12: 5,652,855 km (0.069 R)
• M13: 7,059,972 km (0.086 R)
• M14: 7,445,486 km (0.068 R)
• M15: 7,913,129 km (0.104 R)
• M16: 9,744,805 km (0.042 R)
• M17: 12,113,538 km (0.078 R)
• M18: 13,480,115 km (0.083 R)
• M19: 14,378,300 km (0.096 R)
• M20: 16,128,146 km (0.092 R)
• M21: 17,956,083 km (0.11 R)
• M22: 18,433,898 km (0.118 R)
• M23: 20,430,282 km (0.107 R)
• M24: 21,480,758 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.8

Radius: 10.9

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.37 AU - 5.85 AU

Year: 8717 Days

Day: 8.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,575,450 km

• M1: 135,536 km (0.043 R)
• M2: 1,567,486 km (0.065 R)
• M3: 2,009,698 km (0.12 R)
• M4: 2,554,384 km (0.054 R)
• M5: 3,104,156 km (0.066 R)
• M6: 3,480,694 km (0.101 R)
• M7: 4,269,972 km (0.117 R)
• M8: 4,890,654 km (0.113 R)
• M9: 7,239,340 km (0.061 R)
• M10: 14,473,145 km (0.035 R)
• M11: 15,062,262 km (0.092 R)
• M12: 17,214,825 km (0.107 R)
• M13: 19,328,494 km (0.099 R)
• M14: 21,779,356 km (0.078 R)
• M15: 23,793,541 km (0.102 R)
• M16: 24,799,587 km (0.112 R)
• M17: 33,777,703 km (0.048 R)
• M18: 36,349,590 km (0.069 R)
• M19: 37,683,255 km (0.105 R)
• M20: 38,176,180 km (0.065 R)
• M21: 39,301,006 km (0.112 R)
• M22: 42,276,059 km (0.066 R)
• M23: 43,345,085 km (0.115 R)
• M24: 44,982,285 km (0.077 R)
• M25: 47,658,441 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.8

Radius: 7.1

Gravity: 15.51 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.35 AU - 7.97 AU

Year: 11275 Days

Day: 19.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 71,575,450 km

• M1: 88,412 km (0.077 R)
• M2: 310,266 km (0.087 R)
• M3: 904,618 km (0.12 R)
• M4: 1,355,656 km (0.117 R)
• M5: 2,371,575 km (0.061 R)
• M6: 3,988,578 km (0.102 R)
• M7: 4,395,634 km (0.107 R)
• M8: 5,606,031 km (0.036 R)
• M9: 6,819,718 km (0.108 R)
• M10: 7,232,608 km (0.096 R)
• M11: 7,838,480 km (0.103 R)
• M12: 9,400,132 km (0.101 R)
• M13: 10,495,487 km (0.113 R)
• M14: 11,731,914 km (0.108 R)
• M15: 12,813,506 km (0.056 R)
• M16: 13,699,425 km (0.074 R)
• M17: 14,625,735 km (0.118 R)
• M18: 16,455,616 km (0.038 R)
• M19: 17,198,220 km (0.103 R)
• M20: 17,731,387 km (0.119 R)
• M21: 20,478,453 km (0.11 R)
• M22: 21,337,443 km (0.102 R)
• M23: 22,399,738 km (0.054 R)
• M24: 25,600,384 km (0.117 R)
• M25: 27,619,058 km (0.054 R)
• M26: 28,349,844 km (0.108 R)
• M27: 35,763,465 km (0.115 R)
• M28: 37,895,983 km (0.075 R)
• M29: 41,590,602 km (0.12 R)
• M30: 45,808,065 km (0.096 R)
• M31: 47,274,872 km (0.052 R)
• M32: 50,147,600 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 935.4

Radius: 4.9

Gravity: 38.96 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 7.62 AU - 9.54 AU

Year: 16487 Days

Day: 17 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 71,575,450 km

• M1: 60,886 km (0.102 R)
• M2: 486,193 km (0.118 R)
• M3: 1,098,946 km (0.112 R)
• M4: 1,334,413 km (0.043 R)
• M5: 1,569,730 km (0.07 R)
• M6: 1,723,966 km (0.091 R)
• M7: 2,630,080 km (0.091 R)
• M8: 2,823,959 km (0.081 R)
• M9: 3,105,951 km (0.079 R)
• M10: 4,129,948 km (0.064 R)
• M11: 5,360,989 km (0.092 R)
• M12: 5,633,706 km (0.09 R)
• M13: 5,834,167 km (0.083 R)
• M14: 7,278,834 km (0.072 R)
• M15: 7,468,823 km (0.082 R)
• M16: 7,710,873 km (0.116 R)
• M17: 8,838,691 km (0.093 R)
• M18: 9,109,613 km (0.094 R)
• M19: 10,013,782 km (0.098 R)
• M20: 10,308,340 km (0.094 R)
• M21: 14,983,124 km (0.117 R)
• M22: 15,213,505 km (0.119 R)
• M23: 16,078,330 km (0.08 R)
• M24: 17,142,270 km (0.118 R)
• M25: 18,869,228 km (0.039 R)
• M26: 19,228,114 km (0.1 R)
• M27: 19,683,041 km (0.057 R)
• M28: 20,994,864 km (0.08 R)
• M29: 21,672,244 km (0.074 R)
• M30: 24,105,154 km (0.055 R)
• M31: 33,000,093 km (0.074 R)
• M32: 45,120,812 km (0.116 R)
• M33: 47,227,599 km (0.116 R)
• M34: 51,986,158 km (0.106 R)
• M35: 54,300,138 km (0.086 R)
• M36: 55,208,197 km (0.056 R)
• M37: 59,323,933 km (0.106 R)
• M38: 67,113,943 km (0.115 R)
• M39: 71,578,093 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.3

Radius: 7.5

Gravity: 12.63 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 7.35 AU - 10.79 AU

Year: 17919 Days

Day: 17.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,575,450 km

• M1: 93,199 km (0.066 R)
• M2: 364,720 km (0.091 R)
• M3: 803,640 km (0.091 R)
• M4: 1,093,860 km (0.064 R)
• M5: 2,264,313 km (0.084 R)
• M6: 2,547,053 km (0.099 R)
• M7: 3,003,177 km (0.095 R)
• M8: 3,291,303 km (0.09 R)
• M9: 4,465,347 km (0.072 R)
• M10: 5,314,016 km (0.071 R)
• M11: 5,856,308 km (0.092 R)
• M12: 6,477,737 km (0.113 R)
• M13: 7,280,480 km (0.102 R)
• M14: 9,914,000 km (0.065 R)
• M15: 10,202,276 km (0.106 R)
• M16: 12,247,428 km (0.117 R)
• M17: 12,714,024 km (0.107 R)
• M18: 13,753,729 km (0.116 R)
• M19: 16,080,126 km (0.098 R)
• M20: 18,919,942 km (0.043 R)
• M21: 21,304,981 km (0.074 R)
• M22: 28,592,342 km (0.04 R)
• M23: 30,129,310 km (0.074 R)
• M24: 40,231,655 km (0.108 R)
• M25: 46,197,318 km (0.107 R)
• M26: 50,656,083 km (0.104 R)
• M27: 51,168,456 km (0.046 R)
• M28: 52,901,697 km (0.031 R)
• M29: 55,212,834 km (0.098 R)
• M30: 57,776,194 km (0.105 R)
• M31: 61,574,035 km (0.104 R)
• M32: 61,962,690 km (0.06 R)
• M33: 62,548,815 km (0.077 R)
• M34: 63,138,679 km (0.079 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: 435 - 12,877 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit