🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.8

Radius: 13.3

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.05 AU - 1.65 AU

Year: 1083 Days

Day: 5.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,089,424 km

• M1: 165,605 km (0.067 R)
• M2: 666,010 km (0.112 R)
• M3: 1,227,301 km (0.112 R)
• M4: 1,744,012 km (0.101 R)
• M5: 2,360,804 km (0.038 R)
• M6: 3,161,452 km (0.12 R)
• M7: 3,580,625 km (0.115 R)
• M8: 4,254,414 km (0.114 R)
• M9: 4,694,680 km (0.114 R)
• M10: 5,322,692 km (0.09 R)
• M11: 6,380,948 km (0.068 R)
• M12: 7,349,444 km (0.077 R)
• M13: 7,908,342 km (0.12 R)
• M14: 9,999,720 km (0.097 R)
• M15: 10,719,136 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.5

Radius: 10

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.87 AU - 1.89 AU

Year: 1779 Days

Day: 6.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,089,424 km

• M1: 124,316 km (0.1 R)
• M2: 486,941 km (0.059 R)
• M3: 918,681 km (0.088 R)
• M4: 1,315,713 km (0.114 R)
• M5: 1,678,039 km (0.048 R)
• M6: 2,609,136 km (0.114 R)
• M7: 3,174,018 km (0.097 R)
• M8: 4,209,086 km (0.08 R)
• M9: 4,548,374 km (0.043 R)
• M10: 5,029,032 km (0.113 R)
• M11: 5,346,628 km (0.066 R)
• M12: 6,478,635 km (0.109 R)
• M13: 6,804,160 km (0.096 R)
• M14: 10,451,206 km (0.052 R)
• M15: 11,147,136 km (0.1 R)
• M16: 11,652,477 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.6

Radius: 13.1

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.64 AU - 2.64 AU

Year: 2961 Days

Day: 8.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,089,424 km

• M1: 162,912 km (0.062 R)
• M2: 696,976 km (0.111 R)
• M3: 1,156,691 km (0.045 R)
• M4: 1,847,683 km (0.112 R)
• M5: 2,943,936 km (0.07 R)
• M6: 3,749,072 km (0.114 R)
• M7: 4,456,371 km (0.118 R)
• M8: 4,899,480 km (0.085 R)
• M9: 7,422,747 km (0.093 R)
• M10: 9,512,629 km (0.074 R)
• M11: 10,289,342 km (0.063 R)
• M12: 13,186,903 km (0.12 R)
• M13: 14,247,402 km (0.087 R)
• M14: 14,725,816 km (0.112 R)
• M15: 16,906,953 km (0.049 R)
• M16: 18,607,432 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.5

Radius: 14.2

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5 AU - 5.5 AU

Year: 8303 Days

Day: 8.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,089,424 km

• M1: 177,124 km (0.116 R)
• M2: 745,446 km (0.071 R)
• M3: 1,331,870 km (0.069 R)
• M4: 2,313,681 km (0.051 R)
• M5: 3,095,778 km (0.108 R)
• M6: 4,407,153 km (0.101 R)
• M7: 5,852,119 km (0.071 R)
• M8: 6,313,030 km (0.111 R)
• M9: 7,718,203 km (0.084 R)
• M10: 8,629,254 km (0.063 R)
• M11: 9,757,072 km (0.081 R)
• M12: 15,268,108 km (0.057 R)
• M13: 16,493,016 km (0.05 R)
• M14: 18,376,602 km (0.06 R)
• M15: 21,885,271 km (0.103 R)
• M16: 24,519,241 km (0.112 R)
• M17: 27,260,023 km (0.109 R)
• M18: 34,937,386 km (0.079 R)
• M19: 39,018,266 km (0.079 R)
• M20: 42,345,772 km (0.059 R)
• M21: 45,997,007 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.3

Radius: 5.8

Gravity: 16.27 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.76 AU - 6.54 AU

Year: 10527 Days

Day: 16.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,089,424 km

• M1: 75,248 km (0.05 R)
• M2: 676,182 km (0.094 R)
• M3: 1,288,337 km (0.096 R)
• M4: 2,093,622 km (0.119 R)
• M5: 3,333,041 km (0.061 R)
• M6: 3,575,090 km (0.069 R)
• M7: 3,907,347 km (0.115 R)
• M8: 4,287,924 km (0.115 R)
• M9: 4,874,048 km (0.074 R)
• M10: 5,091,264 km (0.108 R)
• M11: 6,204,272 km (0.071 R)
• M12: 7,635,027 km (0.118 R)
• M13: 8,229,528 km (0.066 R)
• M14: 9,703,965 km (0.073 R)
• M15: 10,709,861 km (0.107 R)
• M16: 11,673,122 km (0.052 R)
• M17: 12,403,907 km (0.095 R)
• M18: 17,368,612 km (0.036 R)
• M19: 22,218,126 km (0.098 R)
• M20: 23,250,651 km (0.094 R)
• M21: 25,133,938 km (0.095 R)
• M22: 25,783,642 km (0.093 R)
• M23: 28,195,608 km (0.037 R)
• M24: 30,439,128 km (0.049 R)
• M25: 33,019,092 km (0.11 R)
• M26: 35,393,061 km (0.097 R)
• M27: 36,444,584 km (0.065 R)
• M28: 37,037,590 km (0.093 R)
• M29: 41,756,506 km (0.119 R)
• M30: 43,991,348 km (0.092 R)
• M31: 45,070,248 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333.4

Radius: 3.1

Gravity: 34.69 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.06 AU - 8.34 AU

Year: 11971 Days

Day: 18.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,089,424 km

• M1: 55,052 km (0.107 R)
• M2: 420,669 km (0.109 R)
• M3: 663,167 km (0.048 R)
• M4: 1,011,431 km (0.052 R)
• M5: 2,278,226 km (0.035 R)
• M6: 3,391,683 km (0.1 R)
• M7: 6,397,254 km (0.114 R)
• M8: 7,862,266 km (0.087 R)
• M9: 8,939,520 km (0.1 R)
• M10: 10,014,081 km (0.117 R)
• M11: 11,809,854 km (0.088 R)
• M12: 11,973,066 km (0.097 R)
• M13: 12,528,074 km (0.08 R)
• M14: 12,641,020 km (0.097 R)
• M15: 12,869,157 km (0.075 R)
• M16: 13,809,080 km (0.084 R)
• M17: 19,654,916 km (0.099 R)
• M18: 20,192,721 km (0.082 R)
• M19: 22,193,293 km (0.101 R)
• M20: 23,284,161 km (0.071 R)
• M21: 27,430,415 km (0.086 R)
• M22: 31,309,638 km (0.1 R)
• M23: 32,148,134 km (0.11 R)
• M24: 40,133,219 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.9

Radius: 5

Gravity: 32.2 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.99 AU - 9.07 AU

Year: 14263 Days

Day: 16.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,089,424 km

• M1: 62,233 km (0.113 R)
• M2: 360,381 km (0.066 R)
• M3: 882,627 km (0.116 R)
• M4: 1,639,892 km (0.117 R)
• M5: 2,342,254 km (0.092 R)
• M6: 3,358,173 km (0.081 R)
• M7: 5,479,172 km (0.041 R)
• M8: 5,819,208 km (0.101 R)
• M9: 6,253,789 km (0.086 R)
• M10: 7,143,149 km (0.113 R)
• M11: 8,259,149 km (0.105 R)
• M12: 9,921,780 km (0.118 R)
• M13: 12,044,873 km (0.105 R)
• M14: 13,617,296 km (0.106 R)
• M15: 14,882,894 km (0.117 R)
• M16: 21,004,439 km (0.107 R)
• M17: 22,023,499 km (0.057 R)
• M18: 36,408,083 km (0.117 R)
• M19: 38,419,426 km (0.103 R)
• M20: 39,244,309 km (0.11 R)
• M21: 40,362,403 km (0.091 R)
• M22: 45,964,395 km (0.03 R)
• M23: 48,152,413 km (0.111 R)
• M24: 59,772,428 km (0.037 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 18,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit