🌌 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: 360.5

Radius: 11.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.42 AU - 0.66 AU

Year: 265 Days

Day: 14 Hours

Environment

Temp: -153 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,680,476 km

• M1: 141,819 km (0.109 R)
• M2: 512,971 km (0.118 R)
• M3: 919,429 km (0.119 R)
• M4: 1,361,341 km (0.083 R)
• M5: 1,899,295 km (0.074 R)
• M6: 2,303,957 km (0.059 R)
• M7: 2,791,945 km (0.108 R)
• M8: 3,280,831 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.7

Radius: 8.8

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.52 AU - 0.82 AU

Year: 366 Days

Day: 11.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,680,476 km

• M1: 109,506 km (0.098 R)
• M2: 431,440 km (0.112 R)
• M3: 731,833 km (0.119 R)
• M4: 1,079,349 km (0.119 R)
• M5: 1,609,224 km (0.069 R)
• M6: 2,023,461 km (0.081 R)
• M7: 2,417,502 km (0.053 R)
• M8: 2,963,534 km (0.071 R)
• M9: 3,338,276 km (0.076 R)
• M10: 3,613,237 km (0.064 R)
• M11: 4,196,071 km (0.091 R)
• M12: 4,985,499 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.7

Radius: 13.5

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.47 AU - 1.93 AU

Year: 1478 Days

Day: 9.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,680,476 km

• M1: 167,998 km (0.113 R)
• M2: 811,568 km (0.091 R)
• M3: 1,693,747 km (0.072 R)
• M4: 2,144,037 km (0.046 R)
• M5: 2,950,070 km (0.072 R)
• M6: 3,481,741 km (0.113 R)
• M7: 3,950,132 km (0.068 R)
• M8: 5,198,676 km (0.036 R)
• M9: 7,189,973 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.9

Radius: 12.3

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.72 AU - 2.16 AU

Year: 1802 Days

Day: 13.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,680,476 km

• M1: 153,039 km (0.104 R)
• M2: 580,440 km (0.117 R)
• M3: 1,149,959 km (0.105 R)
• M4: 2,354,072 km (0.048 R)
• M5: 2,836,824 km (0.076 R)
• M6: 3,324,663 km (0.089 R)
• M7: 4,341,629 km (0.059 R)
• M8: 4,794,761 km (0.075 R)
• M9: 5,620,542 km (0.109 R)
• M10: 6,183,478 km (0.063 R)
• M11: 6,933,413 km (0.047 R)
• M12: 8,073,049 km (0.066 R)
• M13: 8,879,830 km (0.054 R)
• M14: 10,857,365 km (0.1 R)
• M15: 11,482,833 km (0.062 R)
• M16: 12,058,785 km (0.073 R)
• M17: 12,958,916 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.8

Radius: 11.3

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.88 AU - 4.3 AU

Year: 5516 Days

Day: 13.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,680,476 km

• M1: 142,866 km (0.104 R)
• M2: 538,104 km (0.062 R)
• M3: 956,828 km (0.114 R)
• M4: 1,344,735 km (0.073 R)
• M5: 2,612,278 km (0.073 R)
• M6: 3,535,147 km (0.076 R)
• M7: 4,092,399 km (0.06 R)
• M8: 4,531,918 km (0.106 R)
• M9: 5,310,575 km (0.113 R)
• M10: 6,671,317 km (0.091 R)
• M11: 9,412,548 km (0.115 R)
• M12: 11,804,020 km (0.031 R)
• M13: 12,611,400 km (0.06 R)
• M14: 13,546,386 km (0.069 R)
• M15: 15,958,054 km (0.073 R)
• M16: 17,862,584 km (0.094 R)
• M17: 18,869,827 km (0.116 R)
• M18: 19,679,001 km (0.027 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 760.7

Radius: 7.2

Gravity: 14.67 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.29 AU - 9.21 AU

Year: 17260 Days

Day: 24.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,680,476 km

• M1: 89,609 km (0.117 R)
• M2: 498,610 km (0.117 R)
• M3: 828,623 km (0.083 R)
• M4: 1,447,359 km (0.104 R)
• M5: 2,699,942 km (0.119 R)
• M6: 3,821,178 km (0.108 R)
• M7: 4,552,862 km (0.104 R)
• M8: 4,934,336 km (0.083 R)
• M9: 5,526,893 km (0.079 R)
• M10: 6,503,468 km (0.08 R)
• M11: 8,127,204 km (0.1 R)
• M12: 9,006,241 km (0.038 R)
• M13: 10,649,424 km (0.058 R)
• M14: 11,074,132 km (0.049 R)
• M15: 11,828,554 km (0.109 R)
• M16: 13,023,691 km (0.054 R)
• M17: 15,807,708 km (0.112 R)
• M18: 19,860,763 km (0.118 R)
• M19: 24,452,071 km (0.104 R)
• M20: 26,163,620 km (0.103 R)
• M21: 42,671,596 km (0.113 R)
• M22: 44,362,351 km (0.097 R)
• M23: 46,417,676 km (0.114 R)
• M24: 59,148,754 km (0.041 R)
• M25: 63,397,932 km (0.071 R)
• M26: 63,793,918 km (0.075 R)
• M27: 66,612,940 km (0.104 R)
• M28: 68,468,402 km (0.097 R)
• M29: 69,513,942 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.6

Radius: 3.6

Gravity: 22.42 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 8.37 AU - 10.77 AU

Year: 19742 Days

Day: 18.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,680,476 km

• M1: 44,879 km (0.049 R)
• M2: 532,718 km (0.118 R)
• M3: 689,945 km (0.119 R)
• M4: 1,147,116 km (0.111 R)
• M5: 2,080,158 km (0.028 R)
• M6: 2,643,394 km (0.066 R)
• M7: 2,867,342 km (0.076 R)
• M8: 3,588,554 km (0.088 R)
• M9: 4,836,350 km (0.101 R)
• M10: 5,035,614 km (0.119 R)
• M11: 5,557,411 km (0.074 R)
• M12: 6,707,969 km (0.071 R)
• M13: 7,252,355 km (0.028 R)
• M14: 7,646,246 km (0.038 R)
• M15: 11,209,817 km (0.103 R)
• M16: 15,101,307 km (0.094 R)
• M17: 16,850,854 km (0.102 R)
• M18: 18,569,284 km (0.041 R)
• M19: 24,613,188 km (0.04 R)
• M20: 24,906,549 km (0.099 R)
• M21: 26,921,334 km (0.093 R)
• M22: 30,591,418 km (0.111 R)
• M23: 35,319,459 km (0.11 R)
• M24: 36,955,012 km (0.088 R)
• M25: 38,116,490 km (0.1 R)
• M26: 46,935,584 km (0.037 R)
• M27: 49,064,212 km (0.103 R)
• M28: 49,996,057 km (0.107 R)
• M29: 50,309,166 km (0.064 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: 380 - 14,039 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit