🌌 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: 510.9

Radius: 11

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.75 AU - 0.81 AU

Year: 438 Days

Day: 8 Hours

Environment

Temp: -153 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,140,641 km

• M1: 136,882 km (0.105 R)
• M2: 626,217 km (0.036 R)
• M3: 1,373,308 km (0.053 R)
• M4: 1,814,173 km (0.065 R)
• M5: 2,997,193 km (0.055 R)
• M6: 3,615,481 km (0.065 R)
• M7: 4,852,955 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.6

Radius: 14.2

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.67 AU - 0.91 AU

Year: 446 Days

Day: 14.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 23,140,641 km

• M1: 176,525 km (0.057 R)
• M2: 771,626 km (0.08 R)
• M3: 1,331,122 km (0.085 R)
• M4: 2,374,268 km (0.047 R)
• M5: 3,564,618 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.7

Radius: 9.8

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.88 AU - 1.24 AU

Year: 694 Days

Day: 5.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,140,641 km

• M1: 121,922 km (0.049 R)
• M2: 438,471 km (0.101 R)
• M3: 743,501 km (0.09 R)
• M4: 1,300,005 km (0.043 R)
• M5: 1,707,959 km (0.105 R)
• M6: 2,017,626 km (0.052 R)
• M7: 2,465,971 km (0.081 R)
• M8: 2,991,658 km (0.097 R)
• M9: 3,433,720 km (0.105 R)
• M10: 4,511,273 km (0.114 R)
• M11: 4,944,060 km (0.031 R)
• M12: 5,474,983 km (0.115 R)
• M13: 6,371,673 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.4

Radius: 10.2

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.41 AU - 1.89 AU

Year: 1348 Days

Day: 7.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,140,641 km

• M1: 127,158 km (0.109 R)
• M2: 1,025,493 km (0.05 R)
• M3: 1,790,986 km (0.078 R)
• M4: 2,926,434 km (0.118 R)
• M5: 4,049,764 km (0.085 R)
• M6: 4,557,798 km (0.045 R)
• M7: 7,195,209 km (0.097 R)
• M8: 8,045,523 km (0.104 R)
• M9: 8,441,359 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.9

Radius: 10.8

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.58 AU - 1.92 AU

Year: 1472 Days

Day: 7.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,140,641 km

• M1: 134,339 km (0.091 R)
• M2: 543,489 km (0.101 R)
• M3: 1,009,486 km (0.067 R)
• M4: 1,488,648 km (0.071 R)
• M5: 1,921,136 km (0.083 R)
• M6: 3,375,826 km (0.097 R)
• M7: 3,748,923 km (0.115 R)
• M8: 4,185,748 km (0.061 R)
• M9: 5,931,556 km (0.098 R)
• M10: 6,332,029 km (0.074 R)
• M11: 6,725,471 km (0.114 R)
• M12: 7,808,710 km (0.099 R)
• M13: 8,290,564 km (0.113 R)
• M14: 9,439,775 km (0.063 R)
• M15: 10,152,011 km (0.049 R)
• M16: 10,761,024 km (0.09 R)
• M17: 11,538,185 km (0.103 R)
• M18: 13,443,762 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.7

Radius: 12.3

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.84 AU - 2.78 AU

Year: 2232 Days

Day: 13.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,140,641 km

• M1: 157,377 km (0.078 R)
• M2: 753,076 km (0.101 R)
• M3: 1,139,637 km (0.102 R)
• M4: 1,590,525 km (0.062 R)
• M5: 2,116,211 km (0.101 R)
• M6: 2,611,081 km (0.1 R)
• M7: 3,273,201 km (0.067 R)
• M8: 3,905,252 km (0.083 R)
• M9: 4,296,750 km (0.047 R)
• M10: 4,994,624 km (0.087 R)
• M11: 6,088,035 km (0.056 R)
• M12: 7,202,838 km (0.095 R)
• M13: 8,018,595 km (0.08 R)
• M14: 9,419,430 km (0.111 R)
• M15: 10,462,576 km (0.104 R)
• M16: 12,095,137 km (0.07 R)
• M17: 13,326,926 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.3

Radius: 11

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.84 AU - 5.02 AU

Year: 5928 Days

Day: 14.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,140,641 km

• M1: 136,732 km (0.064 R)
• M2: 491,878 km (0.084 R)
• M3: 1,025,045 km (0.086 R)
• M4: 1,828,984 km (0.102 R)
• M5: 2,261,172 km (0.075 R)
• M6: 2,696,801 km (0.096 R)
• M7: 3,639,716 km (0.113 R)
• M8: 4,241,848 km (0.094 R)
• M9: 4,742,253 km (0.101 R)
• M10: 5,834,167 km (0.078 R)
• M11: 6,720,236 km (0.052 R)
• M12: 7,243,080 km (0.099 R)
• M13: 9,919,386 km (0.1 R)
• M14: 11,179,748 km (0.086 R)
• M15: 13,006,936 km (0.104 R)
• M16: 13,385,419 km (0.085 R)
• M17: 17,414,688 km (0.085 R)
• M18: 19,304,408 km (0.099 R)
• M19: 22,593,018 km (0.057 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 19,559 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit