🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.6

Radius: 9

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.92 AU - 1.04 AU

Year: 670 Days

Day: 14.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,118,996 km

• M1: 113,395 km (0.092 R)
• M2: 396,135 km (0.11 R)
• M3: 711,787 km (0.116 R)
• M4: 1,345,782 km (0.094 R)
• M5: 1,982,920 km (0.044 R)
• M6: 2,270,297 km (0.106 R)
• M7: 2,830,392 km (0.05 R)
• M8: 3,713,019 km (0.108 R)
• M9: 3,998,153 km (0.038 R)
• M10: 4,863,427 km (0.092 R)
• M11: 5,374,453 km (0.085 R)
• M12: 5,975,687 km (0.104 R)
• M13: 6,292,685 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.2

Radius: 11.3

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.97 AU - 1.05 AU

Year: 701 Days

Day: 12.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,118,996 km

• M1: 140,772 km (0.057 R)
• M2: 511,326 km (0.094 R)
• M3: 1,000,959 km (0.069 R)
• M4: 1,483,412 km (0.102 R)
• M5: 2,624,695 km (0.112 R)
• M6: 3,163,845 km (0.101 R)
• M7: 3,698,359 km (0.09 R)
• M8: 4,264,138 km (0.081 R)
• M9: 5,285,742 km (0.107 R)
• M10: 6,167,471 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.8

Radius: 13.1

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.03 AU - 3.38 AU

Year: 3062 Days

Day: 14.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,118,996 km

• M1: 162,912 km (0.027 R)
• M2: 774,618 km (0.109 R)
• M3: 1,460,225 km (0.079 R)
• M4: 2,029,146 km (0.044 R)
• M5: 2,712,509 km (0.044 R)
• M6: 3,303,869 km (0.035 R)
• M7: 3,838,083 km (0.103 R)
• M8: 4,960,366 km (0.106 R)
• M9: 5,637,596 km (0.058 R)
• M10: 6,724,125 km (0.056 R)
• M11: 8,626,860 km (0.054 R)
• M12: 9,495,575 km (0.081 R)
• M13: 10,906,882 km (0.075 R)
• M14: 12,098,129 km (0.119 R)
• M15: 12,771,021 km (0.078 R)
• M16: 13,327,226 km (0.092 R)
• M17: 13,851,117 km (0.078 R)
• M18: 14,587,737 km (0.076 R)
• M19: 17,121,775 km (0.082 R)
• M20: 18,847,088 km (0.075 R)
• M21: 20,622,515 km (0.077 R)
• M22: 21,844,580 km (0.032 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 539.6

Radius: 4.5

Gravity: 26.65 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.94 AU - 6.26 AU

Year: 9147 Days

Day: 22.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,118,996 km

• M1: 55,950 km (0.108 R)
• M2: 205,099 km (0.108 R)
• M3: 346,169 km (0.113 R)
• M4: 511,774 km (0.102 R)
• M5: 822,489 km (0.088 R)
• M6: 1,147,416 km (0.1 R)
• M7: 1,297,014 km (0.056 R)
• M8: 2,183,231 km (0.093 R)
• M9: 2,603,901 km (0.113 R)
• M10: 4,298,844 km (0.048 R)
• M11: 4,779,203 km (0.079 R)
• M12: 5,139,285 km (0.107 R)
• M13: 5,421,128 km (0.109 R)
• M14: 6,615,667 km (0.109 R)
• M15: 7,811,552 km (0.092 R)
• M16: 8,100,276 km (0.083 R)
• M17: 8,438,965 km (0.073 R)
• M18: 8,831,211 km (0.116 R)
• M19: 9,605,081 km (0.103 R)
• M20: 11,549,404 km (0.103 R)
• M21: 13,445,857 km (0.082 R)
• M22: 15,735,003 km (0.089 R)
• M23: 15,931,276 km (0.116 R)
• M24: 24,221,990 km (0.105 R)
• M25: 24,747,228 km (0.027 R)
• M26: 25,012,764 km (0.112 R)
• M27: 27,299,667 km (0.084 R)
• M28: 30,526,493 km (0.089 R)
• M29: 31,864,646 km (0.108 R)
• M30: 33,564,526 km (0.096 R)
• M31: 34,107,866 km (0.098 R)
• M32: 35,999,232 km (0.114 R)
• M33: 39,746,957 km (0.043 R)
• M34: 40,355,073 km (0.108 R)
• M35: 41,093,039 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.2

Radius: 3.4

Gravity: 17.66 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 6.05 AU - 9.29 AU

Year: 14662 Days

Day: 24.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 80,118,996 km

• M1: 42,336 km (0.093 R)
• M2: 307,872 km (0.061 R)
• M3: 702,960 km (0.062 R)
• M4: 968,048 km (0.098 R)
• M5: 1,156,990 km (0.09 R)
• M6: 1,708,258 km (0.074 R)
• M7: 1,858,305 km (0.065 R)
• M8: 2,236,787 km (0.117 R)
• M9: 2,510,103 km (0.084 R)
• M10: 2,929,426 km (0.082 R)
• M11: 3,256,446 km (0.073 R)
• M12: 5,747,251 km (0.108 R)
• M13: 6,506,909 km (0.076 R)
• M14: 6,762,123 km (0.025 R)
• M15: 9,645,323 km (0.069 R)
• M16: 10,966,422 km (0.072 R)
• M17: 11,120,208 km (0.069 R)
• M18: 11,379,910 km (0.09 R)
• M19: 17,319,993 km (0.097 R)
• M20: 21,258,905 km (0.055 R)
• M21: 21,820,046 km (0.119 R)
• M22: 23,055,575 km (0.095 R)
• M23: 23,223,873 km (0.101 R)
• M24: 25,039,542 km (0.062 R)
• M25: 25,755,368 km (0.074 R)
• M26: 29,441,459 km (0.063 R)
• M27: 32,294,440 km (0.078 R)
• M28: 35,214,890 km (0.112 R)
• M29: 40,709,919 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859.4

Radius: 6.7

Gravity: 19.14 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 8.57 AU - 9.85 AU

Year: 19293 Days

Day: 24.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 80,118,996 km

• M1: 83,924 km (0.074 R)
• M2: 733,329 km (0.076 R)
• M3: 1,175,989 km (0.104 R)
• M4: 1,623,885 km (0.029 R)
• M5: 2,138,053 km (0.11 R)
• M6: 2,561,116 km (0.091 R)
• M7: 3,341,418 km (0.115 R)
• M8: 6,140,993 km (0.12 R)
• M9: 7,183,839 km (0.119 R)
• M10: 8,182,555 km (0.12 R)
• M11: 9,731,940 km (0.048 R)
• M12: 12,756,210 km (0.1 R)
• M13: 13,254,521 km (0.086 R)
• M14: 13,472,036 km (0.117 R)
• M15: 15,618,616 km (0.097 R)
• M16: 18,071,872 km (0.099 R)
• M17: 19,250,553 km (0.109 R)
• M18: 19,529,703 km (0.118 R)
• M19: 20,000,787 km (0.045 R)
• M20: 21,162,713 km (0.096 R)
• M21: 21,659,827 km (0.042 R)
• M22: 22,164,720 km (0.12 R)
• M23: 22,884,734 km (0.062 R)
• M24: 31,862,701 km (0.076 R)
• M25: 32,515,696 km (0.052 R)
• M26: 36,196,850 km (0.079 R)
• M27: 36,622,307 km (0.094 R)
• M28: 45,188,281 km (0.082 R)
• M29: 46,012,266 km (0.119 R)
• M30: 48,544,509 km (0.044 R)
• M31: 50,636,186 km (0.096 R)
• M32: 54,254,361 km (0.057 R)
• M33: 60,197,286 km (0.109 R)
• M34: 68,271,382 km (0.12 R)
• M35: 68,703,869 km (0.104 R)
• M36: 70,232,012 km (0.04 R)
• M37: 75,412,287 km (0.098 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 10,421 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit