🌌 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: 317.9

Radius: 13.7

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.55 AU - 0.77 AU

Year: 370 Days

Day: 12.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 67.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 86,245,984 km

• M1: 170,392 km (0.116 R)
• M2: 709,991 km (0.065 R)
• M3: 1,531,433 km (0.115 R)
• M4: 2,325,050 km (0.078 R)
• M5: 3,031,601 km (0.062 R)
• M6: 4,074,298 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.7

Radius: 10.8

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.95 AU - 1.13 AU

Year: 732 Days

Day: 5.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,245,984 km

• M1: 134,339 km (0.1 R)
• M2: 489,634 km (0.094 R)
• M3: 848,519 km (0.064 R)
• M4: 1,264,102 km (0.115 R)
• M5: 1,605,335 km (0.071 R)
• M6: 1,946,268 km (0.115 R)
• M7: 2,346,143 km (0.113 R)
• M8: 3,288,311 km (0.072 R)
• M9: 4,155,829 km (0.105 R)
• M10: 4,842,483 km (0.104 R)
• M11: 5,204,360 km (0.113 R)
• M12: 5,905,825 km (0.051 R)
• M13: 7,052,941 km (0.073 R)
• M14: 7,542,126 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.9

Radius: 11.8

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.03 AU - 1.57 AU

Year: 1023 Days

Day: 10.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,245,984 km

• M1: 147,204 km (0.118 R)
• M2: 593,604 km (0.098 R)
• M3: 999,314 km (0.112 R)
• M4: 1,618,499 km (0.071 R)
• M5: 2,261,770 km (0.093 R)
• M6: 3,150,980 km (0.043 R)
• M7: 3,669,785 km (0.105 R)
• M8: 4,317,694 km (0.087 R)
• M9: 4,912,046 km (0.104 R)
• M10: 5,860,197 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.8

Radius: 9.6

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.35 AU - 1.47 AU

Year: 1156 Days

Day: 7.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,245,984 km

• M1: 119,529 km (0.07 R)
• M2: 714,330 km (0.03 R)
• M3: 1,526,796 km (0.081 R)
• M4: 2,021,366 km (0.115 R)
• M5: 2,367,237 km (0.049 R)
• M6: 2,679,747 km (0.12 R)
• M7: 3,742,041 km (0.111 R)
• M8: 4,071,156 km (0.118 R)
• M9: 5,157,835 km (0.104 R)
• M10: 5,687,561 km (0.099 R)
• M11: 6,188,266 km (0.079 R)
• M12: 7,064,759 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.1

Radius: 14.7

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.1 AU - 2.84 AU

Year: 2680 Days

Day: 11.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,245,984 km

• M1: 182,809 km (0.066 R)
• M2: 891,155 km (0.118 R)
• M3: 1,408,614 km (0.06 R)
• M4: 2,157,351 km (0.092 R)
• M5: 2,632,773 km (0.078 R)
• M6: 3,248,069 km (0.089 R)
• M7: 4,141,617 km (0.112 R)
• M8: 4,956,177 km (0.07 R)
• M9: 5,540,058 km (0.103 R)
• M10: 6,279,221 km (0.076 R)
• M11: 7,173,517 km (0.097 R)
• M12: 8,283,832 km (0.083 R)
• M13: 9,216,276 km (0.115 R)
• M14: 10,884,891 km (0.089 R)
• M15: 12,176,070 km (0.06 R)
• M16: 16,187,836 km (0.06 R)
• M17: 17,423,963 km (0.097 R)
• M18: 18,896,156 km (0.089 R)
• M19: 19,902,650 km (0.094 R)
• M20: 20,820,134 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.4

Radius: 14.5

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.94 AU - 3.1 AU

Year: 2761 Days

Day: 10.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,245,984 km

• M1: 181,462 km (0.103 R)
• M2: 679,623 km (0.117 R)
• M3: 1,407,866 km (0.109 R)
• M4: 3,292,948 km (0.063 R)
• M5: 4,304,529 km (0.03 R)
• M6: 5,038,905 km (0.1 R)
• M7: 5,603,936 km (0.093 R)
• M8: 6,187,069 km (0.049 R)
• M9: 7,018,833 km (0.101 R)
• M10: 7,475,854 km (0.07 R)
• M11: 9,030,176 km (0.114 R)
• M12: 10,373,565 km (0.042 R)
• M13: 11,585,607 km (0.06 R)
• M14: 12,771,170 km (0.096 R)
• M15: 14,078,207 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.2

Radius: 8.8

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.61 AU - 5.31 AU

Year: 7625 Days

Day: 8.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,245,984 km

• M1: 110,403 km (0.108 R)
• M2: 1,217,427 km (0.04 R)
• M3: 1,870,871 km (0.111 R)
• M4: 2,168,421 km (0.119 R)
• M5: 2,912,521 km (0.109 R)
• M6: 4,097,635 km (0.119 R)
• M7: 4,725,198 km (0.079 R)
• M8: 8,565,076 km (0.097 R)
• M9: 9,393,699 km (0.111 R)
• M10: 11,698,404 km (0.12 R)
• M11: 12,670,042 km (0.11 R)
• M12: 13,795,018 km (0.043 R)
• M13: 15,523,472 km (0.116 R)
• M14: 17,157,529 km (0.095 R)
• M15: 17,450,442 km (0.069 R)
• M16: 18,349,226 km (0.054 R)
• M17: 24,401,357 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.4

Radius: 8.5

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.09 AU - 5.23 AU

Year: 8091 Days

Day: 14.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,245,984 km

• M1: 105,766 km (0.091 R)
• M2: 547,977 km (0.085 R)
• M3: 856,747 km (0.09 R)
• M4: 1,145,920 km (0.095 R)
• M5: 1,624,932 km (0.089 R)
• M6: 1,953,449 km (0.09 R)
• M7: 2,581,311 km (0.095 R)
• M8: 3,354,732 km (0.086 R)
• M9: 4,770,826 km (0.066 R)
• M10: 6,687,922 km (0.08 R)
• M11: 7,631,137 km (0.077 R)
• M12: 8,361,923 km (0.1 R)
• M13: 9,779,362 km (0.047 R)
• M14: 10,449,710 km (0.101 R)
• M15: 13,395,592 km (0.09 R)
• M16: 14,128,621 km (0.102 R)
• M17: 14,647,876 km (0.097 R)
• M18: 15,525,117 km (0.04 R)
• M19: 18,035,070 km (0.025 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790.7

Radius: 7.1

Gravity: 15.69 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 8.89 AU - 11.99 AU

Year: 23284 Days

Day: 21 Hours

Environment

Temp: -239 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 86,245,984 km

• M1: 88,263 km (0.11 R)
• M2: 449,691 km (0.088 R)
• M3: 703,110 km (0.047 R)
• M4: 1,161,927 km (0.026 R)
• M5: 1,402,031 km (0.112 R)
• M6: 1,805,945 km (0.087 R)
• M7: 2,307,996 km (0.048 R)
• M8: 2,899,356 km (0.055 R)
• M9: 3,839,429 km (0.057 R)
• M10: 4,239,753 km (0.117 R)
• M11: 5,568,182 km (0.106 R)
• M12: 5,821,003 km (0.092 R)
• M13: 6,910,225 km (0.051 R)
• M14: 7,708,180 km (0.06 R)
• M15: 8,455,421 km (0.044 R)
• M16: 10,726,317 km (0.109 R)
• M17: 11,385,595 km (0.11 R)
• M18: 11,793,847 km (0.116 R)
• M19: 14,769,798 km (0.077 R)
• M20: 18,582,748 km (0.095 R)
• M21: 20,414,724 km (0.116 R)
• M22: 22,682,777 km (0.027 R)
• M23: 25,113,443 km (0.103 R)
• M24: 25,573,307 km (0.04 R)
• M25: 27,834,778 km (0.076 R)
• M26: 30,485,652 km (0.107 R)
• M27: 31,538,223 km (0.119 R)
• M28: 31,805,106 km (0.096 R)
• M29: 35,269,792 km (0.116 R)
• M30: 39,594,517 km (0.059 R)
• M31: 40,374,221 km (0.117 R)
• M32: 41,323,270 km (0.077 R)
• M33: 52,952,709 km (0.071 R)
• M34: 58,598,384 km (0.078 R)
• M35: 64,417,591 km (0.111 R)
• M36: 67,025,232 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.7

Radius: 5.4

Gravity: 25.02 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 9.31 AU - 11.63 AU

Year: 23385 Days

Day: 23.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 86,245,984 km

• M1: 70,311 km (0.087 R)
• M2: 279,150 km (0.104 R)
• M3: 756,516 km (0.079 R)
• M4: 1,462,768 km (0.096 R)
• M5: 2,279,572 km (0.048 R)
• M6: 2,464,475 km (0.054 R)
• M7: 3,025,467 km (0.115 R)
• M8: 4,189,339 km (0.117 R)
• M9: 4,611,803 km (0.117 R)
• M10: 5,258,216 km (0.064 R)
• M11: 5,749,794 km (0.083 R)
• M12: 6,138,001 km (0.108 R)
• M13: 8,131,542 km (0.117 R)
• M14: 10,020,963 km (0.059 R)
• M15: 11,976,058 km (0.104 R)
• M16: 13,412,347 km (0.108 R)
• M17: 14,640,994 km (0.039 R)
• M18: 15,201,537 km (0.08 R)
• M19: 18,681,782 km (0.088 R)
• M20: 19,532,096 km (0.118 R)
• M21: 20,015,447 km (0.092 R)
• M22: 22,029,034 km (0.081 R)
• M23: 22,342,143 km (0.049 R)
• M24: 23,516,187 km (0.069 R)
• M25: 24,395,523 km (0.115 R)
• M26: 26,336,256 km (0.086 R)
• M27: 30,264,397 km (0.11 R)
• M28: 30,911,558 km (0.084 R)
• M29: 31,567,694 km (0.035 R)
• M30: 35,989,358 km (0.049 R)
• M31: 38,047,077 km (0.113 R)
• M32: 42,074,401 km (0.084 R)
• M33: 51,878,896 km (0.081 R)
• M34: 58,795,554 km (0.119 R)
• M35: 62,682,405 km (0.098 R)
• M36: 63,101,130 km (0.079 R)
• M37: 68,273,626 km (0.069 R)
• M38: 74,188,277 km (0.077 R)
• M39: 85,472,743 km (0.06 R)
• M40: 85,987,659 km (0.116 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 20,238 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit