🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.3

Radius: 8.9

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.68 AU - 0.88 AU

Year: 445 Days

Day: 9.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,348,431 km

• M1: 111,002 km (0.12 R)
• M2: 434,133 km (0.084 R)
• M3: 873,352 km (0.083 R)
• M4: 1,162,375 km (0.049 R)
• M5: 1,614,460 km (0.09 R)
• M6: 1,935,198 km (0.081 R)
• M7: 2,761,726 km (0.082 R)
• M8: 3,045,214 km (0.088 R)
• M9: 3,507,172 km (0.108 R)
• M10: 3,909,890 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.3

Radius: 9.4

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.56 AU - 2.62 AU

Year: 2691 Days

Day: 11.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,348,431 km

• M1: 116,986 km (0.117 R)
• M2: 531,671 km (0.111 R)
• M3: 901,926 km (0.066 R)
• M4: 1,223,112 km (0.111 R)
• M5: 1,642,435 km (0.116 R)
• M6: 2,131,171 km (0.098 R)
• M7: 2,759,034 km (0.096 R)
• M8: 3,181,947 km (0.041 R)
• M9: 3,593,939 km (0.079 R)
• M10: 4,442,159 km (0.108 R)
• M11: 5,513,430 km (0.098 R)
• M12: 5,831,325 km (0.073 R)
• M13: 6,370,775 km (0.073 R)
• M14: 9,969,950 km (0.08 R)
• M15: 11,993,560 km (0.112 R)
• M16: 12,696,820 km (0.102 R)
• M17: 12,994,221 km (0.058 R)
• M18: 14,322,351 km (0.039 R)
• M19: 15,738,743 km (0.073 R)
• M20: 17,559,050 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.9

Radius: 11.6

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.27 AU - 3.71 AU

Year: 3338 Days

Day: 7.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,348,431 km

• M1: 144,212 km (0.092 R)
• M2: 640,129 km (0.11 R)
• M3: 1,270,236 km (0.086 R)
• M4: 1,868,477 km (0.114 R)
• M5: 2,431,863 km (0.102 R)
• M6: 2,877,665 km (0.08 R)
• M7: 4,040,489 km (0.088 R)
• M8: 4,592,804 km (0.101 R)
• M9: 5,894,754 km (0.08 R)
• M10: 9,589,972 km (0.05 R)
• M11: 10,140,492 km (0.101 R)
• M12: 10,541,564 km (0.117 R)
• M13: 11,340,117 km (0.117 R)
• M14: 12,029,913 km (0.094 R)
• M15: 12,747,384 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.5

Radius: 11.1

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.11 AU - 4.79 AU

Year: 5069 Days

Day: 5.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,348,431 km

• M1: 141,220 km (0.11 R)
• M2: 852,259 km (0.068 R)
• M3: 1,245,253 km (0.051 R)
• M4: 1,785,600 km (0.064 R)
• M5: 2,195,798 km (0.118 R)
• M6: 2,870,035 km (0.081 R)
• M7: 3,496,850 km (0.028 R)
• M8: 3,992,618 km (0.06 R)
• M9: 5,767,746 km (0.069 R)
• M10: 6,955,553 km (0.117 R)
• M11: 7,309,202 km (0.096 R)
• M12: 8,515,560 km (0.05 R)
• M13: 9,730,444 km (0.115 R)
• M14: 10,214,692 km (0.104 R)
• M15: 12,833,702 km (0.066 R)
• M16: 16,037,341 km (0.087 R)
• M17: 16,656,676 km (0.105 R)
• M18: 18,305,394 km (0.092 R)
• M19: 18,795,925 km (0.11 R)
• M20: 20,845,865 km (0.094 R)
• M21: 21,246,189 km (0.101 R)
• M22: 23,111,674 km (0.115 R)
• M23: 24,120,861 km (0.073 R)
• M24: 24,562,325 km (0.106 R)
• M25: 24,934,225 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.2

Radius: 11.8

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.05 AU - 4.39 AU

Year: 5597 Days

Day: 10.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,348,431 km

• M1: 164,408 km (0.031 R)
• M2: 560,394 km (0.103 R)
• M3: 2,349,883 km (0.06 R)
• M4: 3,104,455 km (0.032 R)
• M5: 3,567,012 km (0.106 R)
• M6: 4,178,568 km (0.104 R)
• M7: 5,022,599 km (0.114 R)
• M8: 6,385,286 km (0.11 R)
• M9: 8,681,464 km (0.066 R)
• M10: 10,244,013 km (0.057 R)
• M11: 12,727,188 km (0.087 R)
• M12: 13,498,066 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.5

Radius: 5.2

Gravity: 11.56 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.57 AU - 10.05 AU

Year: 18342 Days

Day: 15.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 66,348,431 km

• M1: 64,925 km (0.047 R)
• M2: 365,767 km (0.079 R)
• M3: 685,308 km (0.062 R)
• M4: 1,175,989 km (0.059 R)
• M5: 1,600,996 km (0.056 R)
• M6: 3,240,739 km (0.118 R)
• M7: 3,652,432 km (0.065 R)
• M8: 3,870,845 km (0.072 R)
• M9: 4,394,437 km (0.086 R)
• M10: 5,030,228 km (0.115 R)
• M11: 5,798,264 km (0.113 R)
• M12: 7,607,949 km (0.095 R)
• M13: 7,829,803 km (0.079 R)
• M14: 8,379,874 km (0.12 R)
• M15: 10,078,259 km (0.086 R)
• M16: 11,291,797 km (0.039 R)
• M17: 14,138,345 km (0.091 R)
• M18: 15,371,331 km (0.062 R)
• M19: 17,124,618 km (0.076 R)
• M20: 17,892,953 km (0.088 R)
• M21: 20,335,736 km (0.114 R)
• M22: 30,402,925 km (0.084 R)
• M23: 31,187,416 km (0.101 R)
• M24: 35,683,431 km (0.064 R)
• M25: 36,055,780 km (0.038 R)
• M26: 40,056,176 km (0.074 R)
• M27: 48,164,979 km (0.086 R)
• M28: 49,077,377 km (0.097 R)
• M29: 51,408,411 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491

Radius: 3.2

Gravity: 47.95 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.6 AU - 11.62 AU

Year: 19235 Days

Day: 22.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,348,431 km

• M1: 40,242 km (0.1 R)
• M2: 172,486 km (0.086 R)
• M3: 311,463 km (0.078 R)
• M4: 531,521 km (0.088 R)
• M5: 867,817 km (0.082 R)
• M6: 967,898 km (0.067 R)
• M7: 1,866,233 km (0.069 R)
• M8: 2,192,357 km (0.081 R)
• M9: 2,510,402 km (0.117 R)
• M10: 2,738,987 km (0.11 R)
• M11: 2,858,516 km (0.09 R)
• M12: 3,159,357 km (0.097 R)
• M13: 3,508,668 km (0.049 R)
• M14: 4,034,056 km (0.079 R)
• M15: 4,543,287 km (0.105 R)
• M16: 6,968,119 km (0.11 R)
• M17: 11,132,176 km (0.098 R)
• M18: 14,650,867 km (0.097 R)
• M19: 19,451,912 km (0.092 R)
• M20: 19,627,989 km (0.117 R)
• M21: 22,203,765 km (0.077 R)
• M22: 22,395,998 km (0.115 R)
• M23: 22,686,367 km (0.107 R)
• M24: 23,672,217 km (0.114 R)
• M25: 23,872,828 km (0.107 R)
• M26: 24,996,159 km (0.099 R)
• M27: 28,125,746 km (0.094 R)
• M28: 30,548,334 km (0.057 R)
• M29: 30,786,045 km (0.031 R)
• M30: 30,905,424 km (0.11 R)
• M31: 33,989,833 km (0.111 R)
• M32: 39,061,201 km (0.099 R)
• M33: 44,613,825 km (0.079 R)
• M34: 62,448,883 km (0.092 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 17,865 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit