🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.1

Radius: 14.9

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.87 AU - 1.29 AU

Year: 748 Days

Day: 9.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 25,091,618 km

• M1: 185,352 km (0.082 R)
• M2: 714,180 km (0.105 R)
• M3: 1,276,070 km (0.033 R)
• M4: 1,763,161 km (0.116 R)
• M5: 2,235,291 km (0.096 R)
• M6: 3,280,382 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.4

Radius: 13.6

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.29 AU - 1.55 AU

Year: 1128 Days

Day: 13.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,091,618 km

• M1: 169,195 km (0.116 R)
• M2: 659,128 km (0.093 R)
• M3: 1,098,647 km (0.042 R)
• M4: 1,524,253 km (0.095 R)
• M5: 1,958,835 km (0.077 R)
• M6: 2,477,640 km (0.06 R)
• M7: 3,179,254 km (0.078 R)
• M8: 3,635,677 km (0.073 R)
• M9: 4,378,430 km (0.048 R)
• M10: 4,857,144 km (0.101 R)
• M11: 5,920,635 km (0.109 R)
• M12: 6,704,827 km (0.098 R)
• M13: 8,148,147 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.2

Radius: 10.8

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.2 AU - 1.76 AU

Year: 1201 Days

Day: 11.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,091,618 km

• M1: 134,339 km (0.055 R)
• M2: 472,430 km (0.082 R)
• M3: 1,251,386 km (0.069 R)
• M4: 1,865,037 km (0.044 R)
• M5: 2,658,504 km (0.09 R)
• M6: 3,028,459 km (0.096 R)
• M7: 3,418,910 km (0.079 R)
• M8: 3,767,473 km (0.036 R)
• M9: 4,269,374 km (0.081 R)
• M10: 4,851,160 km (0.107 R)
• M11: 5,465,708 km (0.098 R)
• M12: 7,312,793 km (0.07 R)
• M13: 8,045,673 km (0.056 R)
• M14: 9,291,225 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.2

Radius: 11.7

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.16 AU - 1.92 AU

Year: 1274 Days

Day: 9.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 61.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,091,618 km

• M1: 236,963 km (0.104 R)
• M2: 781,798 km (0.109 R)
• M3: 1,413,550 km (0.091 R)
• M4: 1,944,024 km (0.041 R)
• M5: 2,376,362 km (0.037 R)
• M6: 3,534,848 km (0.071 R)
• M7: 4,138,625 km (0.103 R)
• M8: 6,454,849 km (0.109 R)
• M9: 6,841,859 km (0.081 R)
• M10: 7,359,018 km (0.044 R)
• M11: 8,121,968 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.3

Radius: 13.3

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.53 AU - 1.57 AU

Year: 1287 Days

Day: 5.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,091,618 km

• M1: 165,455 km (0.071 R)
• M2: 852,409 km (0.102 R)
• M3: 1,483,562 km (0.098 R)
• M4: 2,309,193 km (0.03 R)
• M5: 2,923,292 km (0.115 R)
• M6: 4,426,152 km (0.084 R)
• M7: 5,047,731 km (0.088 R)
• M8: 8,654,985 km (0.1 R)
• M9: 10,375,211 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.9

Radius: 13.9

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.09 AU - 3.09 AU

Year: 2780 Days

Day: 6.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,091,618 km

• M1: 172,935 km (0.093 R)
• M2: 637,137 km (0.069 R)
• M3: 1,069,774 km (0.083 R)
• M4: 1,733,989 km (0.1 R)
• M5: 2,513,693 km (0.084 R)
• M6: 2,952,464 km (0.095 R)
• M7: 3,669,785 km (0.113 R)
• M8: 4,175,277 km (0.113 R)
• M9: 5,952,350 km (0.027 R)
• M10: 6,771,398 km (0.064 R)
• M11: 7,254,749 km (0.108 R)
• M12: 9,204,159 km (0.114 R)
• M13: 11,780,234 km (0.104 R)
• M14: 14,407,173 km (0.062 R)
• M15: 16,795,203 km (0.106 R)
• M16: 18,025,945 km (0.102 R)
• M17: 21,948,850 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.9

Radius: 13.6

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.23 AU - 4.43 AU

Year: 4998 Days

Day: 7.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 149.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,091,618 km

• M1: 169,195 km (0.065 R)
• M2: 647,908 km (0.062 R)
• M3: 1,128,566 km (0.06 R)
• M4: 1,656,647 km (0.085 R)
• M5: 2,654,913 km (0.113 R)
• M6: 3,802,030 km (0.079 R)
• M7: 4,836,649 km (0.043 R)
• M8: 5,962,373 km (0.051 R)
• M9: 6,730,558 km (0.074 R)
• M10: 7,880,068 km (0.072 R)
• M11: 8,960,613 km (0.081 R)
• M12: 10,265,107 km (0.032 R)
• M13: 11,052,590 km (0.112 R)
• M14: 11,880,016 km (0.11 R)
• M15: 12,946,948 km (0.045 R)
• M16: 16,414,926 km (0.049 R)
• M17: 19,066,249 km (0.059 R)
• M18: 21,566,328 km (0.097 R)
• M19: 22,277,816 km (0.073 R)
• M20: 23,300,317 km (0.084 R)
• M21: 25,438,968 km (0.078 R)
• M22: 27,126,582 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826

Radius: 11.5

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.89 AU - 5.43 AU

Year: 7816 Days

Day: 14 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,091,618 km

• M1: 143,165 km (0.09 R)
• M2: 514,766 km (0.104 R)
• M3: 973,583 km (0.066 R)
• M4: 1,367,175 km (0.115 R)
• M5: 2,073,426 km (0.055 R)
• M6: 2,967,124 km (0.119 R)
• M7: 5,065,533 km (0.056 R)
• M8: 6,002,465 km (0.032 R)
• M9: 6,975,150 km (0.08 R)
• M10: 7,479,594 km (0.098 R)
• M11: 8,133,786 km (0.117 R)
• M12: 10,426,373 km (0.068 R)
• M13: 11,243,327 km (0.069 R)
• M14: 14,441,131 km (0.091 R)
• M15: 16,180,954 km (0.073 R)
• M16: 19,384,742 km (0.104 R)
• M17: 21,905,167 km (0.053 R)
• M18: 23,415,059 km (0.116 R)
• M19: 25,992,032 km (0.095 R)
• M20: 35,981,130 km (0.12 R)
• M21: 42,391,399 km (0.057 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.7

Radius: 10.5

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.14 AU - 6.36 AU

Year: 8022 Days

Day: 11.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,091,618 km

• M1: 148,251 km (0.118 R)
• M2: 764,894 km (0.057 R)
• M3: 1,129,015 km (0.085 R)
• M4: 2,315,326 km (0.105 R)
• M5: 2,738,688 km (0.102 R)
• M6: 3,085,306 km (0.109 R)
• M7: 3,540,084 km (0.096 R)
• M8: 4,171,237 km (0.091 R)
• M9: 4,514,116 km (0.094 R)
• M10: 4,851,160 km (0.113 R)
• M11: 5,740,669 km (0.09 R)
• M12: 7,241,734 km (0.11 R)
• M13: 7,841,472 km (0.088 R)
• M14: 12,205,092 km (0.112 R)
• M15: 13,893,304 km (0.091 R)
• M16: 18,632,116 km (0.052 R)
• M17: 19,630,831 km (0.035 R)
• M18: 20,337,980 km (0.108 R)
• M19: 24,645,052 km (0.109 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 12,707 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit