🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.2

Radius: 10

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.48 AU - 0.58 AU

Year: 266 Days

Day: 12.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,176,707 km

• M1: 124,316 km (0.038 R)
• M2: 748,737 km (0.088 R)
• M3: 1,069,475 km (0.113 R)
• M4: 1,406,669 km (0.082 R)
• M5: 2,039,318 km (0.105 R)
• M6: 2,436,949 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.5

Radius: 10.1

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.59 AU - 0.63 AU

Year: 329 Days

Day: 13.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 55,176,707 km

• M1: 125,662 km (0.086 R)
• M2: 489,035 km (0.065 R)
• M3: 1,035,217 km (0.065 R)
• M4: 2,742,129 km (0.088 R)
• M5: 3,137,217 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.6

Radius: 14.6

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.71 AU - 0.81 AU

Year: 457 Days

Day: 10.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,176,707 km

• M1: 181,612 km (0.09 R)
• M2: 688,001 km (0.067 R)
• M3: 1,164,619 km (0.073 R)
• M4: 1,640,490 km (0.106 R)
• M5: 2,120,999 km (0.116 R)
• M6: 3,069,300 km (0.079 R)
• M7: 3,612,938 km (0.098 R)
• M8: 4,182,308 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.4

Radius: 12

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.37 AU - 3.73 AU

Year: 4617 Days

Day: 7.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,176,707 km

• M1: 157,078 km (0.04 R)
• M2: 606,470 km (0.049 R)
• M3: 1,830,480 km (0.066 R)
• M4: 2,370,378 km (0.052 R)
• M5: 3,564,917 km (0.086 R)
• M6: 4,414,035 km (0.107 R)
• M7: 5,309,827 km (0.04 R)
• M8: 5,889,967 km (0.08 R)
• M9: 6,299,866 km (0.105 R)
• M10: 7,050,697 km (0.107 R)
• M11: 7,672,276 km (0.095 R)
• M12: 8,500,301 km (0.099 R)
• M13: 10,966,422 km (0.1 R)
• M14: 11,344,156 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496.4

Radius: 5.6

Gravity: 15.83 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.37 AU - 6.87 AU

Year: 11757 Days

Day: 16.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,176,707 km

• M1: 70,461 km (0.059 R)
• M2: 470,336 km (0.041 R)
• M3: 652,396 km (0.094 R)
• M4: 1,054,815 km (0.042 R)
• M5: 1,336,956 km (0.068 R)
• M6: 1,524,103 km (0.043 R)
• M7: 2,122,943 km (0.076 R)
• M8: 2,976,549 km (0.093 R)
• M9: 3,745,931 km (0.112 R)
• M10: 4,233,171 km (0.061 R)
• M11: 4,978,617 km (0.048 R)
• M12: 5,365,926 km (0.053 R)
• M13: 5,807,988 km (0.072 R)
• M14: 7,485,728 km (0.079 R)
• M15: 8,985,297 km (0.112 R)
• M16: 9,365,425 km (0.095 R)
• M17: 9,608,222 km (0.104 R)
• M18: 10,833,279 km (0.116 R)
• M19: 11,263,822 km (0.03 R)
• M20: 11,987,577 km (0.072 R)
• M21: 13,040,297 km (0.118 R)
• M22: 19,712,960 km (0.097 R)
• M23: 20,031,903 km (0.082 R)
• M24: 23,951,517 km (0.087 R)
• M25: 27,551,889 km (0.086 R)
• M26: 38,715,031 km (0.114 R)
• M27: 39,846,590 km (0.059 R)
• M28: 40,228,663 km (0.03 R)
• M29: 42,044,033 km (0.106 R)
• M30: 42,838,397 km (0.04 R)
• M31: 47,530,235 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.7

Radius: 3.6

Gravity: 66.26 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.18 AU - 8.32 AU

Year: 12105 Days

Day: 16.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 55,176,707 km

• M1: 44,879 km (0.078 R)
• M2: 205,697 km (0.071 R)
• M3: 580,290 km (0.096 R)
• M4: 983,456 km (0.067 R)
• M5: 1,264,700 km (0.082 R)
• M6: 1,692,700 km (0.037 R)
• M7: 2,269,848 km (0.12 R)
• M8: 2,453,555 km (0.058 R)
• M9: 3,040,128 km (0.046 R)
• M10: 3,162,948 km (0.108 R)
• M11: 4,708,593 km (0.102 R)
• M12: 7,333,138 km (0.043 R)
• M13: 8,876,838 km (0.028 R)
• M14: 9,332,813 km (0.044 R)
• M15: 10,680,839 km (0.095 R)
• M16: 11,728,174 km (0.069 R)
• M17: 13,098,939 km (0.113 R)
• M18: 13,359,090 km (0.1 R)
• M19: 14,572,927 km (0.071 R)
• M20: 15,421,745 km (0.119 R)
• M21: 16,832,304 km (0.081 R)
• M22: 17,139,877 km (0.059 R)
• M23: 22,398,242 km (0.093 R)
• M24: 23,814,635 km (0.06 R)
• M25: 27,561,313 km (0.098 R)
• M26: 34,317,602 km (0.083 R)
• M27: 35,185,718 km (0.088 R)
• M28: 43,235,729 km (0.054 R)
• M29: 50,975,026 km (0.112 R)
• M30: 51,618,296 km (0.051 R)
• M31: 52,757,035 km (0.111 R)
• M32: 54,079,032 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.1

Radius: 4.6

Gravity: 19.14 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.52 AU - 9.78 AU

Year: 16060 Days

Day: 21 Hours

Environment

Temp: -242 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,176,707 km

• M1: 57,595 km (0.092 R)
• M2: 300,393 km (0.064 R)
• M3: 644,168 km (0.068 R)
• M4: 981,960 km (0.092 R)
• M5: 1,142,180 km (0.107 R)
• M6: 1,575,415 km (0.063 R)
• M7: 2,281,517 km (0.073 R)
• M8: 3,940,109 km (0.119 R)
• M9: 4,111,847 km (0.031 R)
• M10: 7,071,940 km (0.112 R)
• M11: 7,897,272 km (0.119 R)
• M12: 8,170,737 km (0.117 R)
• M13: 9,789,086 km (0.055 R)
• M14: 10,318,812 km (0.114 R)
• M15: 11,148,931 km (0.099 R)
• M16: 12,691,734 km (0.061 R)
• M17: 25,123,167 km (0.075 R)
• M18: 25,714,528 km (0.106 R)
• M19: 26,214,334 km (0.034 R)
• M20: 32,031,746 km (0.119 R)
• M21: 34,750,688 km (0.118 R)
• M22: 37,109,697 km (0.11 R)
• M23: 38,914,745 km (0.037 R)
• M24: 41,320,428 km (0.116 R)
• M25: 42,282,043 km (0.093 R)
• M26: 52,573,030 km (0.113 R)
• M27: 54,353,993 km (0.113 R)
• M28: 54,682,061 km (0.105 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: 213 - 16,724 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit