🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432

Radius: 9

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.59 AU - 0.73 AU

Year: 358 Days

Day: 7.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,197,014 km

• M1: 112,198 km (0.069 R)
• M2: 450,589 km (0.103 R)
• M3: 863,479 km (0.101 R)
• M4: 1,143,526 km (0.036 R)
• M5: 1,559,408 km (0.092 R)
• M6: 1,932,206 km (0.101 R)
• M7: 2,527,606 km (0.075 R)
• M8: 2,897,711 km (0.116 R)
• M9: 3,314,490 km (0.11 R)
• M10: 3,736,057 km (0.1 R)
• M11: 4,281,192 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.7

Radius: 11.9

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.82 AU - 0.9 AU

Year: 532 Days

Day: 12.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,197,014 km

• M1: 150,795 km (0.114 R)
• M2: 899,981 km (0.086 R)
• M3: 1,274,125 km (0.099 R)
• M4: 1,660,088 km (0.098 R)
• M5: 2,193,105 km (0.039 R)
• M6: 3,103,707 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.6

Radius: 8.5

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.91 AU - 0.97 AU

Year: 608 Days

Day: 12 Hours

Environment

Temp: -181 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,197,014 km

• M1: 105,766 km (0.113 R)
• M2: 401,670 km (0.094 R)
• M3: 720,314 km (0.09 R)
• M4: 1,015,321 km (0.066 R)
• M5: 1,299,557 km (0.036 R)
• M6: 2,060,711 km (0.096 R)
• M7: 2,462,680 km (0.107 R)
• M8: 2,803,464 km (0.068 R)
• M9: 3,175,664 km (0.1 R)
• M10: 3,567,460 km (0.116 R)
• M11: 4,105,863 km (0.12 R)
• M12: 4,809,272 km (0.093 R)
• M13: 5,327,180 km (0.056 R)
• M14: 5,789,737 km (0.102 R)
• M15: 6,221,027 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.6

Radius: 13.8

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.2 AU - 2 AU

Year: 1350 Days

Day: 6.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,197,014 km

• M1: 171,738 km (0.113 R)
• M2: 640,728 km (0.079 R)
• M3: 1,263,055 km (0.105 R)
• M4: 2,140,297 km (0.067 R)
• M5: 2,590,138 km (0.075 R)
• M6: 3,457,207 km (0.096 R)
• M7: 3,994,413 km (0.093 R)
• M8: 4,645,911 km (0.109 R)
• M9: 5,217,226 km (0.118 R)
• M10: 5,766,848 km (0.078 R)
• M11: 6,258,128 km (0.115 R)
• M12: 8,045,074 km (0.049 R)
• M13: 8,510,922 km (0.119 R)
• M14: 9,338,198 km (0.087 R)
• M15: 9,984,910 km (0.049 R)
• M16: 12,182,054 km (0.096 R)
• M17: 12,955,026 km (0.039 R)
• M18: 13,434,338 km (0.072 R)
• M19: 13,925,467 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.4

Radius: 14.7

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.69 AU - 2.13 AU

Year: 1760 Days

Day: 12.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,197,014 km

• M1: 182,809 km (0.118 R)
• M2: 728,691 km (0.058 R)
• M3: 1,203,964 km (0.114 R)
• M4: 1,790,537 km (0.09 R)
• M5: 2,281,368 km (0.104 R)
• M6: 3,012,303 km (0.093 R)
• M7: 4,233,171 km (0.116 R)
• M8: 4,734,773 km (0.067 R)
• M9: 5,208,998 km (0.088 R)
• M10: 5,980,324 km (0.052 R)
• M11: 6,588,440 km (0.072 R)
• M12: 7,321,619 km (0.118 R)
• M13: 7,958,756 km (0.062 R)
• M14: 11,259,185 km (0.095 R)
• M15: 12,109,948 km (0.086 R)
• M16: 14,424,675 km (0.061 R)
• M17: 14,920,892 km (0.078 R)
• M18: 15,852,438 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.4

Radius: 14.8

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.9 AU - 5.04 AU

Year: 6302 Days

Day: 6.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,197,014 km

• M1: 186,100 km (0.044 R)
• M2: 1,347,578 km (0.114 R)
• M3: 1,811,630 km (0.042 R)
• M4: 2,966,675 km (0.094 R)
• M5: 3,772,858 km (0.108 R)
• M6: 5,008,537 km (0.085 R)
• M7: 5,590,173 km (0.082 R)
• M8: 11,106,445 km (0.092 R)
• M9: 13,152,495 km (0.067 R)
• M10: 14,483,916 km (0.107 R)
• M11: 16,616,883 km (0.1 R)
• M12: 19,551,843 km (0.078 R)
• M13: 24,343,912 km (0.114 R)
• M14: 28,981,595 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.7

Radius: 13.4

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.75 AU - 5.59 AU

Year: 6730 Days

Day: 11.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,197,014 km

• M1: 167,250 km (0.112 R)
• M2: 598,242 km (0.037 R)
• M3: 1,156,691 km (0.087 R)
• M4: 2,243,818 km (0.095 R)
• M5: 2,841,761 km (0.087 R)
• M6: 4,297,348 km (0.061 R)
• M7: 16,412,831 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.7

Radius: 7

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.74 AU - 7.52 AU

Year: 10121 Days

Day: 18.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,197,014 km

• M1: 89,759 km (0.113 R)
• M2: 331,958 km (0.094 R)
• M3: 554,410 km (0.107 R)
• M4: 773,122 km (0.11 R)
• M5: 1,011,880 km (0.109 R)
• M6: 1,741,918 km (0.093 R)
• M7: 2,094,221 km (0.102 R)
• M8: 2,567,847 km (0.084 R)
• M9: 2,800,323 km (0.048 R)
• M10: 4,129,799 km (0.084 R)
• M11: 5,021,103 km (0.053 R)
• M12: 6,001,119 km (0.108 R)
• M13: 6,916,658 km (0.086 R)
• M14: 7,881,713 km (0.055 R)
• M15: 8,167,445 km (0.074 R)
• M16: 9,199,521 km (0.04 R)
• M17: 10,658,100 km (0.077 R)
• M18: 11,416,562 km (0.093 R)
• M19: 13,966,756 km (0.116 R)
• M20: 14,812,583 km (0.113 R)
• M21: 16,873,593 km (0.098 R)
• M22: 18,042,700 km (0.115 R)
• M23: 18,683,128 km (0.12 R)
• M24: 20,160,258 km (0.095 R)
• M25: 20,849,754 km (0.11 R)
• M26: 22,847,335 km (0.075 R)
• M27: 24,105,303 km (0.112 R)
• M28: 26,122,930 km (0.097 R)
• M29: 26,758,721 km (0.058 R)
• M30: 30,192,141 km (0.106 R)
• M31: 32,324,809 km (0.085 R)
• M32: 38,850,268 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.7

Radius: 4.4

Gravity: 11.97 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.39 AU - 9.89 AU

Year: 18427 Days

Day: 24.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 88.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,197,014 km

• M1: 167,400 km (0.108 R)
• M2: 356,941 km (0.057 R)
• M3: 2,113,818 km (0.087 R)
• M4: 3,121,509 km (0.109 R)
• M5: 3,263,777 km (0.084 R)
• M6: 3,410,383 km (0.083 R)
• M7: 5,063,738 km (0.112 R)
• M8: 5,669,610 km (0.078 R)
• M9: 7,393,725 km (0.083 R)
• M10: 10,563,704 km (0.116 R)
• M11: 19,802,420 km (0.072 R)
• M12: 34,811,125 km (0.073 R)
• M13: 46,672,740 km (0.059 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 19,995 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit