🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.49 AU - 0.61 AU

Year: 154 Days

Day: 16.8 Hours

Environment

Temp: 137 °C

Axial Tilt: 3.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 63,728,071 km

• M1: 53,556 km (0.114 R)

Asteroid Belt

Center: 2.94 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.5

Radius: 10.3

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.77 AU - 5.89 AU

Year: 4661 Days

Day: 6.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,728,071 km

• M1: 128,056 km (0.046 R)
• M2: 675,883 km (0.04 R)
• M3: 1,108,969 km (0.087 R)
• M4: 1,441,824 km (0.073 R)
• M5: 1,809,985 km (0.11 R)
• M6: 3,150,980 km (0.036 R)
• M7: 3,619,520 km (0.042 R)
• M8: 7,388,190 km (0.032 R)
• M9: 8,248,976 km (0.062 R)
• M10: 10,565,050 km (0.113 R)
• M11: 10,970,610 km (0.102 R)
• M12: 15,103,999 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.3

Radius: 8

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.31 AU - 5.91 AU

Year: 5033 Days

Day: 10.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,728,071 km

• M1: 99,632 km (0.075 R)
• M2: 426,354 km (0.12 R)
• M3: 858,841 km (0.11 R)
• M4: 1,788,592 km (0.059 R)
• M5: 2,461,483 km (0.102 R)
• M6: 3,579,727 km (0.053 R)
• M7: 5,111,759 km (0.059 R)
• M8: 7,071,491 km (0.08 R)
• M9: 7,343,011 km (0.054 R)
• M10: 8,885,366 km (0.075 R)
• M11: 10,989,310 km (0.107 R)
• M12: 11,680,153 km (0.059 R)
• M13: 16,388,447 km (0.047 R)
• M14: 17,228,738 km (0.076 R)
• M15: 19,454,904 km (0.105 R)
• M16: 22,009,437 km (0.104 R)
• M17: 23,031,639 km (0.105 R)
• M18: 24,857,332 km (0.078 R)
• M19: 25,328,415 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.8

Radius: 15

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 6.33 AU - 7.71 AU

Year: 7045 Days

Day: 11.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,728,071 km

• M1: 188,793 km (0.09 R)
• M2: 868,715 km (0.072 R)
• M3: 1,910,365 km (0.06 R)
• M4: 2,441,587 km (0.09 R)
• M5: 3,165,341 km (0.113 R)
• M6: 4,374,391 km (0.115 R)
• M7: 6,138,001 km (0.099 R)
• M8: 6,950,018 km (0.053 R)
• M9: 8,264,534 km (0.086 R)
• M10: 8,788,875 km (0.049 R)
• M11: 9,335,206 km (0.11 R)
• M12: 10,324,946 km (0.117 R)
• M13: 10,889,678 km (0.05 R)
• M14: 16,529,069 km (0.067 R)
• M15: 19,053,383 km (0.088 R)
• M16: 23,567,050 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.1

Radius: 10.8

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.35 AU - 8.53 AU

Year: 7686 Days

Day: 12 Hours

Environment

Temp: -174 °C

Axial Tilt: 115.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,728,071 km

• M1: 134,488 km (0.071 R)
• M2: 507,137 km (0.084 R)
• M3: 955,930 km (0.116 R)
• M4: 1,708,856 km (0.061 R)
• M5: 2,858,965 km (0.1 R)
• M6: 3,219,945 km (0.108 R)
• M7: 4,259,051 km (0.112 R)
• M8: 5,661,232 km (0.067 R)
• M9: 6,039,416 km (0.096 R)
• M10: 6,434,354 km (0.102 R)
• M11: 7,993,912 km (0.081 R)
• M12: 9,093,905 km (0.061 R)
• M13: 12,256,105 km (0.061 R)
• M14: 16,783,684 km (0.098 R)
• M15: 18,102,689 km (0.099 R)
• M16: 19,347,792 km (0.067 R)
• M17: 22,867,231 km (0.117 R)
• M18: 29,052,804 km (0.1 R)
• M19: 30,660,682 km (0.11 R)
• M20: 31,535,680 km (0.1 R)
• M21: 34,156,784 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.5

Radius: 12

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 7.95 AU - 10.71 AU

Year: 10794 Days

Day: 9.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,728,071 km

• M1: 311,762 km (0.106 R)
• M2: 749,336 km (0.08 R)
• M3: 3,446,885 km (0.103 R)
• M4: 4,829,468 km (0.056 R)
• M5: 6,443,779 km (0.116 R)
• M6: 6,888,683 km (0.061 R)
• M7: 8,305,524 km (0.032 R)
• M8: 10,451,954 km (0.111 R)
• M9: 12,037,093 km (0.101 R)
• M10: 12,887,258 km (0.064 R)
• M11: 13,777,066 km (0.11 R)
• M12: 15,612,931 km (0.108 R)
• M13: 18,405,624 km (0.025 R)
• M14: 29,559,642 km (0.071 R)
• M15: 29,966,697 km (0.086 R)
• M16: 37,472,771 km (0.054 R)
• M17: 44,658,106 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.2

Radius: 7.9

Gravity: 14.3 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 12.66 AU - 14.62 AU

Year: 19080 Days

Day: 18.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,728,071 km

• M1: 99,782 km (0.113 R)
• M2: 591,211 km (0.098 R)
• M3: 843,134 km (0.115 R)
• M4: 1,168,958 km (0.116 R)
• M5: 1,479,523 km (0.12 R)
• M6: 1,752,689 km (0.113 R)
• M7: 2,142,092 km (0.057 R)
• M8: 2,859,115 km (0.049 R)
• M9: 3,819,533 km (0.115 R)
• M10: 5,362,336 km (0.108 R)
• M11: 6,359,854 km (0.033 R)
• M12: 9,794,173 km (0.04 R)
• M13: 10,333,772 km (0.051 R)
• M14: 16,117,675 km (0.081 R)
• M15: 17,470,638 km (0.076 R)
• M16: 23,431,814 km (0.092 R)
• M17: 26,634,554 km (0.098 R)
• M18: 29,620,229 km (0.059 R)
• M19: 34,300,997 km (0.095 R)
• M20: 39,601,997 km (0.111 R)
• M21: 43,158,387 km (0.101 R)
• M22: 47,259,314 km (0.116 R)
• M23: 53,426,486 km (0.028 R)
• M24: 64,167,015 km (0.08 R)
• M25: 64,582,598 km (0.113 R)
• M26: 70,370,090 km (0.093 R)
• M27: 72,373,505 km (0.12 R)
• M28: 76,260,806 km (0.1 R)
• M29: 79,804,630 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48.7

Radius: 3.4

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 11.5 AU - 18.72 AU

Year: 22246 Days

Day: 21.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,728,071 km

• M1: 43,982 km (0.079 R)
• M2: 229,633 km (0.087 R)
• M3: 387,608 km (0.088 R)
• M4: 1,129,015 km (0.058 R)
• M5: 1,528,890 km (0.119 R)
• M6: 3,528,715 km (0.115 R)
• M7: 4,499,006 km (0.114 R)
• M8: 4,685,405 km (0.097 R)
• M9: 6,170,314 km (0.118 R)
• M10: 8,019,194 km (0.042 R)
• M11: 9,626,623 km (0.107 R)
• M12: 10,715,845 km (0.117 R)
• M13: 14,016,722 km (0.116 R)
• M14: 23,947,926 km (0.116 R)
• M15: 30,318,252 km (0.111 R)
• M16: 31,656,555 km (0.081 R)
• M17: 32,143,945 km (0.098 R)
• M18: 33,535,205 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 337.7

Radius: 5.4

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 13.81 AU - 19.67 AU

Year: 25941 Days

Day: 22.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,728,071 km

• M1: 67,169 km (0.057 R)
• M2: 382,223 km (0.109 R)
• M3: 859,141 km (0.107 R)
• M4: 1,079,349 km (0.102 R)
• M5: 1,279,511 km (0.118 R)
• M6: 2,153,910 km (0.025 R)
• M7: 2,541,668 km (0.083 R)
• M8: 3,051,198 km (0.071 R)
• M9: 3,262,430 km (0.111 R)
• M10: 4,638,132 km (0.057 R)
• M11: 5,434,591 km (0.077 R)
• M12: 5,905,526 km (0.117 R)
• M13: 8,215,167 km (0.118 R)
• M14: 9,210,741 km (0.111 R)
• M15: 13,433,590 km (0.076 R)
• M16: 14,661,040 km (0.043 R)
• M17: 19,054,281 km (0.075 R)
• M18: 19,953,962 km (0.055 R)
• M19: 21,356,143 km (0.071 R)
• M20: 22,524,203 km (0.118 R)
• M21: 25,846,174 km (0.055 R)
• M22: 30,926,817 km (0.06 R)
• M23: 38,164,062 km (0.075 R)
• M24: 39,735,289 km (0.088 R)
• M25: 44,238,933 km (0.101 R)
• M26: 44,550,844 km (0.094 R)
• M27: 45,972,024 km (0.076 R)
• M28: 48,407,627 km (0.092 R)
• M29: 50,078,186 km (0.107 R)
• M30: 50,586,819 km (0.094 R)
• M31: 54,422,060 km (0.103 R)
• M32: 58,446,841 km (0.099 R)
• M33: 62,469,378 km (0.039 R)
• M34: 67,700,516 km (0.119 R)
• M35: 67,907,410 km (0.026 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.2

Radius: 5.3

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 15.67 AU - 20.47 AU

Year: 29093 Days

Day: 20.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,728,071 km

• M1: 65,973 km (0.08 R)
• M2: 413,040 km (0.086 R)
• M3: 956,978 km (0.112 R)
• M4: 1,634,656 km (0.074 R)
• M5: 2,353,773 km (0.03 R)
• M6: 3,531,707 km (0.063 R)
• M7: 4,816,303 km (0.114 R)
• M8: 5,451,945 km (0.094 R)
• M9: 8,216,214 km (0.058 R)
• M10: 8,965,849 km (0.045 R)
• M11: 13,611,761 km (0.056 R)
• M12: 19,042,163 km (0.105 R)
• M13: 22,089,771 km (0.103 R)
• M14: 27,682,488 km (0.072 R)
• M15: 32,295,637 km (0.083 R)
• M16: 34,275,864 km (0.073 R)
• M17: 37,664,106 km (0.028 R)
• M18: 43,007,742 km (0.048 R)
• M19: 59,253,473 km (0.038 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: 172 - 19,395 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit