🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.1

Radius: 13.4

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.04 AU - 1.24 AU

Year: 840 Days

Day: 6.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,355,130 km

• M1: 170,093 km (0.086 R)
• M2: 646,562 km (0.094 R)
• M3: 1,228,049 km (0.109 R)
• M4: 1,763,161 km (0.056 R)
• M5: 2,562,612 km (0.076 R)
• M6: 4,260,547 km (0.104 R)
• M7: 4,818,697 km (0.069 R)
• M8: 5,846,135 km (0.082 R)
• M9: 6,713,653 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.6

Radius: 12.4

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.92 AU - 1.42 AU

Year: 874 Days

Day: 10.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,355,130 km

• M1: 158,424 km (0.079 R)
• M2: 549,473 km (0.069 R)
• M3: 940,522 km (0.062 R)
• M4: 1,455,288 km (0.106 R)
• M5: 1,862,344 km (0.046 R)
• M6: 2,681,243 km (0.106 R)
• M7: 3,073,339 km (0.091 R)
• M8: 5,063,439 km (0.106 R)
• M9: 5,783,005 km (0.114 R)
• M10: 6,218,335 km (0.095 R)
• M11: 7,634,428 km (0.105 R)
• M12: 8,331,554 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.5

Radius: 12.5

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.48 AU - 5.28 AU

Year: 7441 Days

Day: 11.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,355,130 km

• M1: 161,117 km (0.119 R)
• M2: 574,007 km (0.102 R)
• M3: 1,036,713 km (0.11 R)
• M4: 1,427,164 km (0.033 R)
• M5: 2,191,459 km (0.102 R)
• M6: 3,463,640 km (0.041 R)
• M7: 3,961,202 km (0.079 R)
• M8: 4,506,337 km (0.095 R)
• M9: 7,370,388 km (0.06 R)
• M10: 9,202,363 km (0.119 R)
• M11: 9,594,459 km (0.107 R)
• M12: 10,752,497 km (0.077 R)
• M13: 11,499,738 km (0.088 R)
• M14: 12,902,517 km (0.118 R)
• M15: 15,821,920 km (0.113 R)
• M16: 17,022,143 km (0.089 R)
• M17: 24,096,627 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.2

Radius: 8

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.98 AU - 6.12 AU

Year: 7833 Days

Day: 7.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,355,130 km

• M1: 99,632 km (0.106 R)
• M2: 474,674 km (0.052 R)
• M3: 859,739 km (0.106 R)
• M4: 1,235,828 km (0.043 R)
• M5: 1,578,258 km (0.114 R)
• M6: 2,849,241 km (0.115 R)
• M7: 4,487,338 km (0.117 R)
• M8: 4,910,700 km (0.086 R)
• M9: 5,868,575 km (0.113 R)
• M10: 6,440,787 km (0.111 R)
• M11: 7,119,662 km (0.099 R)
• M12: 8,861,280 km (0.118 R)
• M13: 11,781,132 km (0.039 R)
• M14: 12,280,938 km (0.068 R)
• M15: 12,847,016 km (0.107 R)
• M16: 17,244,147 km (0.084 R)
• M17: 22,857,358 km (0.111 R)
• M18: 23,399,800 km (0.062 R)
• M19: 27,614,271 km (0.073 R)
• M20: 29,396,580 km (0.087 R)
• M21: 32,308,503 km (0.083 R)
• M22: 32,600,218 km (0.042 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 512.6

Radius: 6.1

Gravity: 13.78 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.14 AU - 8.1 AU

Year: 11757 Days

Day: 24.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,355,130 km

• M1: 153,338 km (0.064 R)
• M2: 505,192 km (0.055 R)
• M3: 841,189 km (0.114 R)
• M4: 1,408,913 km (0.095 R)
• M5: 1,722,021 km (0.098 R)
• M6: 2,669,275 km (0.081 R)
• M7: 2,859,414 km (0.089 R)
• M8: 3,897,174 km (0.087 R)
• M9: 4,486,291 km (0.111 R)
• M10: 5,230,390 km (0.114 R)
• M11: 5,910,761 km (0.11 R)
• M12: 6,999,834 km (0.106 R)
• M13: 7,322,367 km (0.076 R)
• M14: 7,570,849 km (0.111 R)
• M15: 9,568,280 km (0.097 R)
• M16: 16,253,958 km (0.081 R)
• M17: 16,677,171 km (0.098 R)
• M18: 17,252,823 km (0.055 R)
• M19: 18,904,384 km (0.113 R)
• M20: 20,089,049 km (0.084 R)
• M21: 20,413,228 km (0.039 R)
• M22: 22,605,435 km (0.071 R)
• M23: 24,303,371 km (0.109 R)
• M24: 31,947,672 km (0.072 R)
• M25: 36,189,370 km (0.097 R)
• M26: 39,765,358 km (0.048 R)
• M27: 42,099,534 km (0.096 R)
• M28: 43,840,853 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.2

Radius: 3.8

Gravity: 61.79 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.71 AU - 8.59 AU

Year: 13197 Days

Day: 20.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 58,355,130 km

• M1: 64,477 km (0.096 R)
• M2: 185,501 km (0.075 R)
• M3: 305,030 km (0.105 R)
• M4: 513,869 km (0.106 R)
• M5: 646,861 km (0.082 R)
• M6: 885,021 km (0.065 R)
• M7: 1,780,663 km (0.092 R)
• M8: 2,308,894 km (0.058 R)
• M9: 2,839,068 km (0.107 R)
• M10: 4,810,469 km (0.109 R)
• M11: 5,444,764 km (0.111 R)
• M12: 6,133,064 km (0.115 R)
• M13: 7,094,529 km (0.115 R)
• M14: 7,405,992 km (0.051 R)
• M15: 8,104,165 km (0.116 R)
• M16: 8,947,299 km (0.027 R)
• M17: 9,902,033 km (0.091 R)
• M18: 10,574,924 km (0.091 R)
• M19: 11,701,994 km (0.068 R)
• M20: 12,136,726 km (0.117 R)
• M21: 15,708,674 km (0.069 R)
• M22: 18,554,624 km (0.048 R)
• M23: 18,806,098 km (0.114 R)
• M24: 22,954,447 km (0.056 R)
• M25: 23,930,573 km (0.04 R)
• M26: 28,443,791 km (0.113 R)
• M27: 30,957,933 km (0.073 R)
• M28: 32,511,208 km (0.119 R)
• M29: 32,754,753 km (0.079 R)
• M30: 38,288,229 km (0.068 R)
• M31: 40,637,364 km (0.084 R)
• M32: 40,778,435 km (0.098 R)
• M33: 41,775,205 km (0.102 R)
• M34: 42,497,165 km (0.073 R)
• M35: 45,468,178 km (0.06 R)
• M36: 46,078,538 km (0.071 R)
• M37: 46,694,283 km (0.077 R)
• M38: 52,485,366 km (0.098 R)
• M39: 56,425,175 km (0.087 R)
• M40: 58,917,326 km (0.071 R)
• M41: 62,980,255 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829

Radius: 4.8

Gravity: 35.98 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.53 AU - 9.95 AU

Year: 17835 Days

Day: 19.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 58,355,130 km

• M1: 59,690 km (0.093 R)
• M2: 274,662 km (0.099 R)
• M3: 512,223 km (0.114 R)
• M4: 687,701 km (0.089 R)
• M5: 1,059,003 km (0.12 R)
• M6: 1,440,777 km (0.084 R)
• M7: 1,928,616 km (0.08 R)
• M8: 2,781,772 km (0.114 R)
• M9: 3,223,236 km (0.091 R)
• M10: 3,532,754 km (0.106 R)
• M11: 3,770,166 km (0.096 R)
• M12: 3,923,803 km (0.073 R)
• M13: 4,081,778 km (0.072 R)
• M14: 4,512,321 km (0.119 R)
• M15: 4,899,929 km (0.067 R)
• M16: 6,899,903 km (0.076 R)
• M17: 7,461,792 km (0.086 R)
• M18: 8,999,359 km (0.064 R)
• M19: 9,163,917 km (0.094 R)
• M20: 10,134,508 km (0.064 R)
• M21: 14,629,774 km (0.082 R)
• M22: 14,857,462 km (0.078 R)
• M23: 16,517,849 km (0.075 R)
• M24: 18,123,034 km (0.103 R)
• M25: 19,553,190 km (0.101 R)
• M26: 20,960,756 km (0.113 R)
• M27: 22,334,065 km (0.112 R)
• M28: 22,737,231 km (0.075 R)
• M29: 23,247,958 km (0.085 R)
• M30: 37,350,699 km (0.034 R)
• M31: 38,492,131 km (0.045 R)
• M32: 39,363,389 km (0.091 R)
• M33: 49,149,034 km (0.11 R)
• M34: 52,621,201 km (0.104 R)
• M35: 56,253,138 km (0.081 R)
• M36: 58,701,456 km (0.072 R)
• M37: 60,437,540 km (0.091 R)
• M38: 62,009,065 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 662.1

Radius: 6

Gravity: 18.39 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9.25 AU - 9.45 AU

Year: 19735 Days

Day: 19.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 58,355,130 km

• M1: 74,649 km (0.09 R)
• M2: 292,464 km (0.117 R)
• M3: 569,519 km (0.098 R)
• M4: 794,514 km (0.088 R)
• M5: 1,197,082 km (0.068 R)
• M6: 1,798,914 km (0.112 R)
• M7: 2,875,121 km (0.079 R)
• M8: 3,133,477 km (0.094 R)
• M9: 4,392,044 km (0.119 R)
• M10: 6,080,106 km (0.111 R)
• M11: 7,372,482 km (0.068 R)
• M12: 8,007,525 km (0.111 R)
• M13: 8,467,987 km (0.072 R)
• M14: 9,274,470 km (0.069 R)
• M15: 13,797,112 km (0.071 R)
• M16: 17,486,196 km (0.057 R)
• M17: 17,913,597 km (0.111 R)
• M18: 18,348,029 km (0.119 R)
• M19: 19,785,216 km (0.073 R)
• M20: 20,155,920 km (0.049 R)
• M21: 23,290,444 km (0.117 R)
• M22: 32,773,752 km (0.101 R)
• M23: 33,162,557 km (0.093 R)
• M24: 33,554,354 km (0.096 R)
• M25: 36,107,989 km (0.117 R)
• M26: 37,785,879 km (0.11 R)
• M27: 40,547,605 km (0.09 R)
• M28: 41,296,193 km (0.112 R)
• M29: 44,224,871 km (0.119 R)
• M30: 45,337,879 km (0.038 R)
• M31: 49,465,284 km (0.04 R)
• M32: 53,836,235 km (0.111 R)
• M33: 54,377,480 km (0.107 R)
• M34: 59,797,710 km (0.062 R)
• M35: 61,944,439 km (0.029 R)
• M36: 64,344,288 km (0.072 R)
• M37: 74,564,216 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.1

Radius: 3.6

Gravity: 19.84 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 9.71 AU - 10.35 AU

Year: 21926 Days

Day: 24.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 52.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,355,130 km

• M1: 44,879 km (0.107 R)
• M2: 167,101 km (0.097 R)
• M3: 321,187 km (0.075 R)
• M4: 700,118 km (0.071 R)
• M5: 1,366,427 km (0.091 R)
• M6: 1,511,537 km (0.099 R)
• M7: 2,102,448 km (0.104 R)
• M8: 2,236,937 km (0.091 R)
• M9: 2,765,317 km (0.074 R)
• M10: 3,219,197 km (0.064 R)
• M11: 3,611,143 km (0.107 R)
• M12: 4,811,367 km (0.114 R)
• M13: 8,291,013 km (0.098 R)
• M14: 10,230,250 km (0.095 R)
• M15: 10,730,206 km (0.091 R)
• M16: 12,514,311 km (0.119 R)
• M17: 14,144,479 km (0.111 R)
• M18: 14,975,046 km (0.115 R)
• M19: 16,058,284 km (0.07 R)
• M20: 17,661,076 km (0.048 R)
• M21: 17,977,924 km (0.091 R)
• M22: 24,841,774 km (0.106 R)
• M23: 25,040,140 km (0.081 R)
• M24: 25,641,673 km (0.072 R)
• M25: 27,609,783 km (0.104 R)
• M26: 34,482,309 km (0.087 R)
• M27: 40,737,445 km (0.108 R)
• M28: 41,290,508 km (0.055 R)
• M29: 50,832,160 km (0.066 R)
• M30: 52,281,613 km (0.111 R)
• M31: 53,592,988 km (0.052 R)
• M32: 56,623,243 km (0.118 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 17,739 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit