🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.5

Radius: 8.1

Gravity: 15.13 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.74 AU - 0.95 AU

Year: 497 Days

Day: 9.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,441,388 km

• M1: 100,679 km (0.082 R)
• M2: 360,680 km (0.03 R)
• M3: 687,851 km (0.114 R)
• M4: 1,117,646 km (0.083 R)
• M5: 1,432,998 km (0.115 R)
• M6: 1,686,417 km (0.083 R)
• M7: 1,961,228 km (0.106 R)
• M8: 2,364,694 km (0.084 R)
• M9: 2,656,559 km (0.112 R)
• M10: 3,163,995 km (0.073 R)
• M11: 3,599,175 km (0.105 R)
• M12: 3,887,450 km (0.091 R)
• M13: 4,176,473 km (0.073 R)
• M14: 4,557,798 km (0.091 R)
• M15: 4,945,706 km (0.11 R)
• M16: 5,233,532 km (0.107 R)
• M17: 6,031,188 km (0.116 R)
• M18: 6,539,222 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.2

Radius: 8.2

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.73 AU - 1.03 AU

Year: 533 Days

Day: 10.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,441,388 km

• M1: 103,522 km (0.111 R)
• M2: 382,073 km (0.109 R)
• M3: 704,456 km (0.09 R)
• M4: 1,248,993 km (0.085 R)
• M5: 1,525,749 km (0.114 R)
• M6: 2,180,539 km (0.08 R)
• M7: 2,530,747 km (0.119 R)
• M8: 3,212,465 km (0.071 R)
• M9: 3,549,808 km (0.043 R)
• M10: 3,898,371 km (0.048 R)
• M11: 4,177,969 km (0.064 R)
• M12: 4,553,161 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.9

Radius: 13.5

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.93 AU - 1.08 AU

Year: 646 Days

Day: 14.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,441,388 km

• M1: 167,849 km (0.106 R)
• M2: 607,517 km (0.111 R)
• M3: 1,123,330 km (0.114 R)
• M4: 1,730,249 km (0.116 R)
• M5: 2,206,269 km (0.118 R)
• M6: 3,367,747 km (0.106 R)
• M7: 3,804,124 km (0.089 R)
• M8: 5,263,003 km (0.111 R)
• M9: 6,129,174 km (0.117 R)
• M10: 6,626,288 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.1

Radius: 8.8

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.05 AU - 1.53 AU

Year: 946 Days

Day: 9.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,441,388 km

• M1: 109,506 km (0.065 R)
• M2: 569,519 km (0.071 R)
• M3: 910,901 km (0.081 R)
• M4: 1,238,521 km (0.108 R)
• M5: 1,857,258 km (0.117 R)
• M6: 2,169,618 km (0.119 R)
• M7: 2,789,851 km (0.082 R)
• M8: 3,256,446 km (0.107 R)
• M9: 3,912,134 km (0.116 R)
• M10: 4,198,165 km (0.052 R)
• M11: 4,938,226 km (0.09 R)
• M12: 5,426,364 km (0.114 R)
• M13: 6,455,597 km (0.118 R)
• M14: 6,743,274 km (0.05 R)
• M15: 8,922,765 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.7

Radius: 11.1

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.4 AU - 1.84 AU

Year: 1331 Days

Day: 10.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,441,388 km

• M1: 138,228 km (0.085 R)
• M2: 746,045 km (0.094 R)
• M3: 1,936,844 km (0.042 R)
• M4: 2,996,595 km (0.108 R)
• M5: 3,410,831 km (0.119 R)
• M6: 4,137,578 km (0.102 R)
• M7: 5,077,501 km (0.099 R)
• M8: 5,856,158 km (0.103 R)
• M9: 7,039,627 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.7

Radius: 14

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.16 AU - 2.3 AU

Year: 2150 Days

Day: 7 Hours

Environment

Temp: -199 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,441,388 km

• M1: 174,132 km (0.061 R)
• M2: 874,100 km (0.107 R)
• M3: 1,777,223 km (0.047 R)
• M4: 2,453,854 km (0.067 R)
• M5: 2,978,942 km (0.112 R)
• M6: 3,594,388 km (0.099 R)
• M7: 5,180,574 km (0.111 R)
• M8: 5,668,114 km (0.093 R)
• M9: 6,343,249 km (0.086 R)
• M10: 7,144,944 km (0.084 R)
• M11: 7,647,443 km (0.118 R)
• M12: 8,336,042 km (0.109 R)
• M13: 9,065,631 km (0.06 R)
• M14: 9,595,507 km (0.065 R)
• M15: 10,114,910 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.1

Radius: 10.7

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.27 AU - 3.91 AU

Year: 4392 Days

Day: 8.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,441,388 km

• M1: 133,142 km (0.085 R)
• M2: 466,446 km (0.102 R)
• M3: 1,068,278 km (0.062 R)
• M4: 1,419,534 km (0.102 R)
• M5: 1,926,671 km (0.031 R)
• M6: 2,319,814 km (0.09 R)
• M7: 4,253,815 km (0.115 R)
• M8: 4,606,118 km (0.109 R)
• M9: 5,726,158 km (0.119 R)
• M10: 7,855,534 km (0.054 R)
• M11: 8,461,106 km (0.1 R)
• M12: 10,298,617 km (0.071 R)
• M13: 10,893,867 km (0.114 R)
• M14: 11,783,974 km (0.1 R)
• M15: 14,639,947 km (0.04 R)
• M16: 17,567,278 km (0.076 R)
• M17: 21,065,774 km (0.109 R)
• M18: 21,473,578 km (0.093 R)
• M19: 22,025,444 km (0.094 R)
• M20: 23,446,624 km (0.105 R)
• M21: 25,307,771 km (0.12 R)
• M22: 25,691,639 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.8

Radius: 13.4

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 5.59 AU - 5.75 AU

Year: 8717 Days

Day: 14.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,441,388 km

• M1: 166,652 km (0.118 R)
• M2: 658,231 km (0.084 R)
• M3: 1,296,864 km (0.061 R)
• M4: 2,424,233 km (0.103 R)
• M5: 3,151,578 km (0.087 R)
• M6: 3,615,930 km (0.045 R)
• M7: 4,455,174 km (0.101 R)
• M8: 5,166,961 km (0.107 R)
• M9: 5,749,645 km (0.032 R)
• M10: 6,521,121 km (0.086 R)
• M11: 7,047,256 km (0.101 R)
• M12: 7,601,666 km (0.112 R)
• M13: 8,099,977 km (0.072 R)
• M14: 12,967,592 km (0.1 R)
• M15: 16,113,037 km (0.025 R)
• M16: 16,937,770 km (0.025 R)
• M17: 17,431,593 km (0.119 R)
• M18: 18,080,847 km (0.076 R)
• M19: 20,441,053 km (0.104 R)
• M20: 23,000,074 km (0.105 R)
• M21: 29,348,858 km (0.099 R)
• M22: 30,165,064 km (0.115 R)
• M23: 31,523,563 km (0.097 R)
• M24: 32,164,290 km (0.078 R)
• M25: 34,026,634 km (0.074 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.2

Radius: 12.2

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.76 AU - 7.12 AU

Year: 9347 Days

Day: 10.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 42,441,388 km

• M1: 152,889 km (0.114 R)
• M2: 758,162 km (0.113 R)
• M3: 1,240,914 km (0.104 R)
• M4: 1,881,343 km (0.11 R)
• M5: 2,611,829 km (0.096 R)
• M6: 3,426,090 km (0.108 R)
• M7: 4,345,519 km (0.093 R)
• M8: 4,909,952 km (0.081 R)
• M9: 7,099,616 km (0.115 R)
• M10: 8,013,808 km (0.117 R)
• M11: 8,635,387 km (0.09 R)
• M12: 9,193,537 km (0.092 R)
• M13: 10,330,780 km (0.107 R)
• M14: 10,960,138 km (0.079 R)
• M15: 11,615,078 km (0.104 R)
• M16: 12,587,314 km (0.106 R)
• M17: 14,306,044 km (0.059 R)
• M18: 17,169,946 km (0.073 R)
• M19: 22,066,284 km (0.096 R)
• M20: 25,487,588 km (0.095 R)
• M21: 27,324,201 km (0.094 R)
• M22: 30,935,792 km (0.035 R)
• M23: 33,024,029 km (0.048 R)
• M24: 36,150,924 km (0.099 R)
• M25: 37,724,693 km (0.116 R)
• M26: 40,491,207 km (0.093 R)
• M27: 41,792,409 km (0.103 R)
• M28: 47,134,250 km (0.071 R)
• M29: 47,850,375 km (0.073 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.9

Radius: 4.2

Gravity: 14.05 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7 AU - 8.44 AU

Year: 13850 Days

Day: 20.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,441,388 km

• M1: 53,107 km (0.088 R)
• M2: 198,217 km (0.046 R)
• M3: 428,149 km (0.096 R)
• M4: 738,714 km (0.064 R)
• M5: 886,517 km (0.047 R)
• M6: 1,243,158 km (0.106 R)
• M7: 1,415,345 km (0.115 R)
• M8: 2,625,143 km (0.11 R)
• M9: 2,806,007 km (0.082 R)
• M10: 3,940,707 km (0.1 R)
• M11: 4,098,084 km (0.097 R)
• M12: 4,481,354 km (0.054 R)
• M13: 5,287,537 km (0.076 R)
• M14: 6,362,996 km (0.058 R)
• M15: 7,298,880 km (0.074 R)
• M16: 7,576,534 km (0.056 R)
• M17: 8,846,919 km (0.11 R)
• M18: 9,162,570 km (0.079 R)
• M19: 9,721,169 km (0.084 R)
• M20: 10,057,315 km (0.114 R)
• M21: 10,601,104 km (0.077 R)
• M22: 10,854,672 km (0.077 R)
• M23: 11,164,339 km (0.067 R)
• M24: 13,439,574 km (0.115 R)
• M25: 18,440,630 km (0.069 R)
• M26: 22,247,447 km (0.04 R)
• M27: 23,681,792 km (0.078 R)
• M28: 24,997,355 km (0.085 R)
• M29: 28,449,625 km (0.104 R)
• M30: 31,057,116 km (0.077 R)
• M31: 38,381,877 km (0.105 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 16,813 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit