🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.6

Radius: 14.9

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.49 AU - 0.63 AU

Year: 284 Days

Day: 8.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,170,720 km

• M1: 185,352 km (0.113 R)
• M2: 660,475 km (0.112 R)
• M3: 1,184,516 km (0.035 R)
• M4: 1,683,126 km (0.11 R)
• M5: 2,304,256 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.7

Radius: 11.5

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.61 AU - 0.75 AU

Year: 380 Days

Day: 5.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,170,720 km

• M1: 143,016 km (0.037 R)
• M2: 662,270 km (0.098 R)
• M3: 1,044,343 km (0.084 R)
• M4: 2,193,404 km (0.054 R)
• M5: 2,770,702 km (0.102 R)

Asteroid Belt

Center: 1.67 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.9

Radius: 9.4

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.42 AU - 2.9 AU

Year: 2942 Days

Day: 9.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,170,720 km

• M1: 127,457 km (0.12 R)
• M2: 482,154 km (0.107 R)
• M3: 1,046,736 km (0.074 R)
• M4: 1,445,415 km (0.076 R)
• M5: 1,922,033 km (0.092 R)
• M6: 2,621,852 km (0.097 R)
• M7: 3,099,369 km (0.041 R)
• M8: 4,229,132 km (0.084 R)
• M9: 4,681,366 km (0.107 R)
• M10: 6,612,675 km (0.075 R)
• M11: 7,669,284 km (0.111 R)
• M12: 8,772,120 km (0.09 R)
• M13: 9,674,494 km (0.093 R)
• M14: 12,955,325 km (0.117 R)
• M15: 13,406,512 km (0.069 R)
• M16: 14,167,367 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977

Radius: 12.6

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.55 AU - 5.37 AU

Year: 7492 Days

Day: 13.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,170,720 km

• M1: 157,227 km (0.1 R)
• M2: 808,876 km (0.116 R)
• M3: 1,490,743 km (0.111 R)
• M4: 2,058,317 km (0.06 R)
• M5: 2,476,892 km (0.101 R)
• M6: 3,419,209 km (0.104 R)
• M7: 4,198,315 km (0.119 R)
• M8: 4,615,992 km (0.116 R)
• M9: 5,311,024 km (0.067 R)
• M10: 5,734,086 km (0.112 R)
• M11: 6,321,258 km (0.062 R)
• M12: 7,535,694 km (0.099 R)
• M13: 8,810,267 km (0.117 R)
• M14: 9,499,166 km (0.062 R)
• M15: 10,174,301 km (0.042 R)
• M16: 10,778,227 km (0.105 R)
• M17: 13,676,088 km (0.078 R)
• M18: 23,121,249 km (0.118 R)
• M19: 25,608,313 km (0.109 R)
• M20: 27,877,862 km (0.11 R)
• M21: 29,061,481 km (0.107 R)
• M22: 29,665,707 km (0.053 R)
• M23: 31,003,710 km (0.102 R)
• M24: 32,274,095 km (0.099 R)
• M25: 33,031,060 km (0.078 R)
• M26: 34,918,686 km (0.087 R)
• M27: 37,823,727 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.4

Radius: 14.4

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.89 AU - 6.13 AU

Year: 7606 Days

Day: 5.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,170,720 km

• M1: 179,069 km (0.091 R)
• M2: 768,933 km (0.104 R)
• M3: 1,418,038 km (0.114 R)
• M4: 1,964,968 km (0.053 R)
• M5: 2,424,084 km (0.111 R)
• M6: 2,975,352 km (0.119 R)
• M7: 4,597,143 km (0.113 R)
• M8: 7,775,050 km (0.081 R)
• M9: 9,029,727 km (0.11 R)
• M10: 10,321,954 km (0.057 R)
• M11: 10,843,153 km (0.081 R)
• M12: 11,785,021 km (0.119 R)
• M13: 12,566,670 km (0.027 R)
• M14: 14,233,489 km (0.05 R)
• M15: 15,423,989 km (0.106 R)
• M16: 17,531,973 km (0.118 R)
• M17: 19,323,407 km (0.084 R)
• M18: 21,769,333 km (0.092 R)
• M19: 22,866,932 km (0.106 R)
• M20: 23,348,488 km (0.06 R)
• M21: 24,665,847 km (0.092 R)
• M22: 25,772,272 km (0.086 R)
• M23: 27,358,459 km (0.106 R)
• M24: 29,290,515 km (0.101 R)
• M25: 32,608,895 km (0.114 R)
• M26: 36,605,701 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 742.2

Radius: 6

Gravity: 20.62 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.53 AU - 6.98 AU

Year: 10598 Days

Day: 19.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,170,720 km

• M1: 78,090 km (0.114 R)
• M2: 547,827 km (0.029 R)
• M3: 3,545,170 km (0.09 R)
• M4: 5,447,906 km (0.059 R)
• M5: 6,160,291 km (0.093 R)
• M6: 6,539,073 km (0.118 R)
• M7: 7,013,747 km (0.111 R)
• M8: 7,725,384 km (0.085 R)
• M9: 8,301,036 km (0.079 R)
• M10: 9,789,086 km (0.066 R)
• M11: 10,892,819 km (0.032 R)
• M12: 23,221,928 km (0.097 R)
• M13: 27,130,621 km (0.11 R)
• M14: 27,941,142 km (0.058 R)
• M15: 29,823,981 km (0.063 R)
• M16: 31,345,541 km (0.069 R)
• M17: 31,567,095 km (0.084 R)
• M18: 35,494,488 km (0.076 R)
• M19: 36,219,739 km (0.084 R)
• M20: 38,328,470 km (0.037 R)
• M21: 43,335,062 km (0.056 R)
• M22: 44,302,512 km (0.079 R)
• M23: 46,423,959 km (0.088 R)
• M24: 49,957,611 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.5

Radius: 4

Gravity: 24.91 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 6.85 AU - 9.43 AU

Year: 15752 Days

Day: 19.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,170,720 km

• M1: 50,265 km (0.111 R)
• M2: 255,214 km (0.089 R)
• M3: 386,860 km (0.116 R)
• M4: 855,401 km (0.115 R)
• M5: 1,034,320 km (0.069 R)
• M6: 1,237,773 km (0.049 R)
• M7: 1,693,448 km (0.117 R)
• M8: 2,724,925 km (0.038 R)
• M9: 6,456,046 km (0.103 R)
• M10: 7,186,831 km (0.098 R)
• M11: 7,572,046 km (0.096 R)
• M12: 7,836,535 km (0.055 R)
• M13: 8,907,506 km (0.074 R)
• M14: 11,052,440 km (0.103 R)
• M15: 13,390,057 km (0.075 R)
• M16: 13,907,366 km (0.077 R)
• M17: 17,674,839 km (0.045 R)
• M18: 23,620,457 km (0.117 R)
• M19: 26,632,311 km (0.09 R)
• M20: 29,347,811 km (0.085 R)
• M21: 30,109,264 km (0.085 R)
• M22: 33,169,588 km (0.108 R)
• M23: 36,931,675 km (0.066 R)
• M24: 37,946,697 km (0.097 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 11,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit