🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.6

Radius: 9.6

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.45 AU - 0.63 AU

Year: 269 Days

Day: 13.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,818,779 km

• M1: 119,379 km (0.097 R)
• M2: 431,440 km (0.109 R)
• M3: 755,020 km (0.082 R)
• M4: 1,085,482 km (0.105 R)
• M5: 1,405,771 km (0.091 R)
• M6: 1,755,531 km (0.101 R)
• M7: 2,268,951 km (0.11 R)
• M8: 2,812,141 km (0.112 R)
• M9: 3,320,325 km (0.065 R)
• M10: 3,758,198 km (0.104 R)
• M11: 4,071,306 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.1

Radius: 15

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.5 AU - 0.76 AU

Year: 339 Days

Day: 5.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 87,818,779 km

• M1: 186,549 km (0.118 R)
• M2: 1,038,658 km (0.096 R)
• M3: 1,554,471 km (0.083 R)
• M4: 2,297,075 km (0.096 R)
• M5: 3,269,162 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.2

Radius: 11.9

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.94 AU - 1.08 AU

Year: 688 Days

Day: 5.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,818,779 km

• M1: 149,299 km (0.085 R)
• M2: 537,505 km (0.113 R)
• M3: 921,373 km (0.105 R)
• M4: 1,329,177 km (0.066 R)
• M5: 1,791,584 km (0.1 R)
• M6: 3,289,657 km (0.108 R)
• M7: 3,866,955 km (0.049 R)
• M8: 4,430,790 km (0.103 R)
• M9: 5,261,507 km (0.058 R)
• M10: 5,648,068 km (0.063 R)
• M11: 6,901,997 km (0.101 R)
• M12: 7,922,554 km (0.088 R)
• M13: 8,333,349 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.6

Radius: 8

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.15 AU - 2.17 AU

Year: 2153 Days

Day: 13.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,818,779 km

• M1: 99,483 km (0.049 R)
• M2: 505,940 km (0.112 R)
• M3: 787,334 km (0.072 R)
• M4: 1,109,867 km (0.081 R)
• M5: 1,697,487 km (0.117 R)
• M6: 2,106,637 km (0.101 R)
• M7: 2,739,735 km (0.084 R)
• M8: 4,360,180 km (0.062 R)
• M9: 4,924,463 km (0.112 R)
• M10: 5,384,476 km (0.1 R)
• M11: 5,781,808 km (0.113 R)
• M12: 6,034,030 km (0.079 R)
• M13: 7,515,797 km (0.09 R)
• M14: 8,125,857 km (0.082 R)
• M15: 8,443,005 km (0.095 R)
• M16: 11,536,689 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.1

Radius: 13.8

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.55 AU - 4.85 AU

Year: 6911 Days

Day: 8 Hours

Environment

Temp: -213 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,818,779 km

• M1: 191,186 km (0.114 R)
• M2: 640,129 km (0.084 R)
• M3: 1,307,485 km (0.09 R)
• M4: 2,036,925 km (0.068 R)
• M5: 2,512,047 km (0.105 R)
• M6: 3,008,413 km (0.12 R)
• M7: 3,941,006 km (0.077 R)
• M8: 7,246,371 km (0.109 R)
• M9: 7,676,166 km (0.039 R)
• M10: 8,770,175 km (0.085 R)
• M11: 9,374,251 km (0.065 R)
• M12: 13,800,703 km (0.046 R)
• M13: 15,578,524 km (0.044 R)
• M14: 16,750,324 km (0.114 R)
• M15: 18,463,968 km (0.114 R)
• M16: 19,968,473 km (0.085 R)
• M17: 20,883,115 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 895.9

Radius: 6.9

Gravity: 18.82 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.08 AU - 9.8 AU

Year: 15175 Days

Day: 22.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 87,818,779 km

• M1: 85,869 km (0.082 R)
• M2: 374,294 km (0.065 R)
• M3: 606,320 km (0.12 R)
• M4: 894,446 km (0.108 R)
• M5: 1,860,698 km (0.109 R)
• M6: 2,105,740 km (0.104 R)
• M7: 2,755,443 km (0.081 R)
• M8: 3,338,276 km (0.1 R)
• M9: 4,000,397 km (0.109 R)
• M10: 4,781,298 km (0.11 R)
• M11: 7,636,373 km (0.057 R)
• M12: 10,495,338 km (0.078 R)
• M13: 12,227,083 km (0.101 R)
• M14: 23,294,632 km (0.044 R)
• M15: 28,101,062 km (0.082 R)
• M16: 35,482,969 km (0.036 R)
• M17: 37,926,501 km (0.087 R)
• M18: 39,902,838 km (0.099 R)
• M19: 41,062,521 km (0.12 R)
• M20: 42,393,793 km (0.037 R)
• M21: 43,906,377 km (0.093 R)
• M22: 50,653,540 km (0.066 R)
• M23: 52,355,964 km (0.088 R)
• M24: 52,701,086 km (0.082 R)
• M25: 54,096,236 km (0.1 R)
• M26: 62,599,977 km (0.113 R)
• M27: 67,984,004 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 340.9

Radius: 7.6

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 8.38 AU - 9.26 AU

Year: 17766 Days

Day: 23.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 122.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 87,818,779 km

• M1: 94,695 km (0.063 R)
• M2: 335,398 km (0.049 R)
• M3: 694,882 km (0.093 R)
• M4: 1,038,658 km (0.085 R)
• M5: 1,537,118 km (0.049 R)
• M6: 2,130,124 km (0.115 R)
• M7: 2,889,333 km (0.079 R)
• M8: 5,096,051 km (0.092 R)
• M9: 6,719,188 km (0.1 R)
• M10: 7,131,480 km (0.112 R)
• M11: 8,051,956 km (0.109 R)
• M12: 8,951,189 km (0.062 R)
• M13: 9,552,572 km (0.057 R)
• M14: 10,020,963 km (0.12 R)
• M15: 11,173,764 km (0.088 R)
• M16: 14,744,815 km (0.093 R)
• M17: 15,441,193 km (0.066 R)
• M18: 15,941,598 km (0.086 R)
• M19: 19,585,652 km (0.111 R)
• M20: 21,467,893 km (0.051 R)
• M21: 23,467,568 km (0.049 R)
• M22: 25,095,492 km (0.07 R)
• M23: 28,149,532 km (0.088 R)
• M24: 29,220,204 km (0.059 R)
• M25: 31,785,359 km (0.092 R)
• M26: 35,475,190 km (0.115 R)
• M27: 36,471,811 km (0.087 R)
• M28: 38,130,852 km (0.114 R)
• M29: 39,176,541 km (0.115 R)
• M30: 41,598,830 km (0.1 R)
• M31: 44,119,254 km (0.106 R)
• M32: 48,543,163 km (0.087 R)
• M33: 49,308,057 km (0.09 R)
• M34: 51,809,931 km (0.115 R)
• M35: 53,253,850 km (0.113 R)
• M36: 55,552,870 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.8

Radius: 5.6

Gravity: 26.11 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 8.94 AU - 11.82 AU

Year: 22682 Days

Day: 19.4 Hours

Environment

Temp: -244 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 87,818,779 km

• M1: 69,713 km (0.035 R)
• M2: 652,696 km (0.113 R)
• M3: 859,290 km (0.094 R)
• M4: 1,594,265 km (0.11 R)
• M5: 1,777,671 km (0.1 R)
• M6: 2,209,710 km (0.115 R)
• M7: 2,510,701 km (0.057 R)
• M8: 2,891,428 km (0.106 R)
• M9: 3,995,460 km (0.091 R)
• M10: 5,077,202 km (0.117 R)
• M11: 5,314,913 km (0.059 R)
• M12: 5,560,104 km (0.102 R)
• M13: 6,341,304 km (0.049 R)
• M14: 6,758,383 km (0.068 R)
• M15: 7,342,413 km (0.115 R)
• M16: 9,473,884 km (0.115 R)
• M17: 11,038,228 km (0.099 R)
• M18: 12,125,356 km (0.105 R)
• M19: 15,728,720 km (0.117 R)
• M20: 16,405,800 km (0.088 R)
• M21: 17,368,313 km (0.088 R)
• M22: 17,727,348 km (0.114 R)
• M23: 21,802,693 km (0.088 R)
• M24: 22,857,507 km (0.115 R)
• M25: 24,502,934 km (0.077 R)
• M26: 24,728,079 km (0.109 R)
• M27: 25,991,433 km (0.117 R)
• M28: 28,273,848 km (0.055 R)
• M29: 29,400,320 km (0.048 R)
• M30: 30,686,562 km (0.074 R)
• M31: 33,925,805 km (0.085 R)
• M32: 36,793,447 km (0.083 R)
• M33: 38,741,660 km (0.09 R)
• M34: 39,354,712 km (0.086 R)
• M35: 47,223,261 km (0.098 R)
• M36: 50,062,329 km (0.035 R)
• M37: 52,825,402 km (0.093 R)
• M38: 53,389,984 km (0.082 R)
• M39: 57,852,638 km (0.062 R)
• M40: 59,056,452 km (0.117 R)
• M41: 61,099,660 km (0.116 R)
• M42: 61,721,837 km (0.1 R)
• M43: 65,326,697 km (0.087 R)
• M44: 80,403,919 km (0.217 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 11,378 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit