🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.6

Radius: 14.5

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.5 AU - 0.74 AU

Year: 326 Days

Day: 9.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,946,114 km

• M1: 180,565 km (0.107 R)
• M2: 669,151 km (0.084 R)
• M3: 1,286,392 km (0.083 R)
• M4: 1,737,430 km (0.082 R)
• M5: 2,272,392 km (0.114 R)
• M6: 2,783,119 km (0.045 R)
• M7: 3,253,305 km (0.117 R)
• M8: 4,241,100 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.7

Radius: 10.5

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.62 AU - 1 AU

Year: 486 Days

Day: 8.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 157 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,946,114 km

• M1: 130,599 km (0.091 R)
• M2: 510,278 km (0.072 R)
• M3: 873,203 km (0.119 R)
• M4: 1,337,255 km (0.09 R)
• M5: 2,534,786 km (0.097 R)
• M6: 3,215,008 km (0.085 R)
• M7: 3,585,711 km (0.115 R)
• M8: 4,096,588 km (0.106 R)
• M9: 5,518,965 km (0.106 R)
• M10: 6,089,980 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.9

Radius: 8.5

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.91 AU - 1.27 AU

Year: 759 Days

Day: 9.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 172.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 81,946,114 km

• M1: 146,606 km (0.038 R)
• M2: 602,879 km (0.094 R)
• M3: 1,006,943 km (0.098 R)
• M4: 1,348,774 km (0.086 R)
• M5: 1,627,026 km (0.112 R)
• M6: 3,286,067 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396

Radius: 8.8

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.13 AU - 4.15 AU

Year: 4631 Days

Day: 14.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,946,114 km

• M1: 114,293 km (0.091 R)
• M2: 518,057 km (0.062 R)
• M3: 933,790 km (0.092 R)
• M4: 1,467,106 km (0.113 R)
• M5: 1,749,248 km (0.06 R)
• M6: 2,925,686 km (0.101 R)
• M7: 3,773,157 km (0.096 R)
• M8: 4,515,612 km (0.055 R)
• M9: 5,197,329 km (0.119 R)
• M10: 5,643,580 km (0.088 R)
• M11: 6,259,025 km (0.094 R)
• M12: 8,375,386 km (0.111 R)
• M13: 10,227,109 km (0.11 R)
• M14: 10,594,820 km (0.07 R)
• M15: 11,270,105 km (0.11 R)
• M16: 11,706,632 km (0.107 R)
• M17: 12,847,316 km (0.094 R)
• M18: 13,762,555 km (0.102 R)
• M19: 15,242,377 km (0.096 R)
• M20: 16,995,365 km (0.107 R)
• M21: 21,357,041 km (0.09 R)
• M22: 22,708,508 km (0.057 R)
• M23: 23,334,874 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 36.3

Radius: 5.7

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.93 AU - 6.89 AU

Year: 9581 Days

Day: 20.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,946,114 km

• M1: 70,909 km (0.107 R)
• M2: 258,954 km (0.06 R)
• M3: 465,848 km (0.117 R)
• M4: 1,926,821 km (0.05 R)
• M5: 2,799,724 km (0.063 R)
• M6: 3,559,681 km (0.071 R)
• M7: 4,124,563 km (0.043 R)
• M8: 5,550,380 km (0.09 R)
• M9: 9,297,956 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.4

Radius: 4.4

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.33 AU - 8.13 AU

Year: 11643 Days

Day: 22.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,946,114 km

• M1: 70,161 km (0.086 R)
• M2: 212,878 km (0.087 R)
• M3: 745,446 km (0.03 R)
• M4: 1,027,438 km (0.099 R)
• M5: 1,612,366 km (0.108 R)
• M6: 3,951,628 km (0.047 R)
• M7: 4,426,900 km (0.057 R)
• M8: 4,911,148 km (0.115 R)
• M9: 6,781,720 km (0.054 R)
• M10: 8,184,799 km (0.077 R)
• M11: 8,422,659 km (0.043 R)
• M12: 9,206,702 km (0.072 R)
• M13: 10,174,002 km (0.086 R)
• M14: 11,304,214 km (0.081 R)
• M15: 12,411,687 km (0.086 R)
• M16: 15,674,267 km (0.111 R)
• M17: 18,567,938 km (0.117 R)
• M18: 19,256,238 km (0.108 R)
• M19: 26,836,063 km (0.111 R)
• M20: 27,185,374 km (0.027 R)
• M21: 33,597,288 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 80.3

Radius: 7.5

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 7.68 AU - 8.68 AU

Year: 15601 Days

Day: 20.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,946,114 km

• M1: 93,349 km (0.113 R)
• M2: 567,425 km (0.093 R)
• M3: 837,000 km (0.114 R)
• M4: 1,203,515 km (0.04 R)
• M5: 3,932,479 km (0.093 R)
• M6: 5,356,501 km (0.094 R)
• M7: 5,919,887 km (0.111 R)
• M8: 8,894,192 km (0.116 R)
• M9: 11,306,607 km (0.108 R)
• M10: 12,132,687 km (0.033 R)
• M11: 13,155,338 km (0.104 R)
• M12: 15,254,794 km (0.116 R)
• M13: 15,664,543 km (0.093 R)
• M14: 16,081,622 km (0.092 R)
• M15: 19,758,288 km (0.093 R)
• M16: 26,898,595 km (0.095 R)
• M17: 29,705,649 km (0.11 R)
• M18: 30,899,889 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.9

Radius: 7.4

Gravity: 16.34 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.61 AU - 10.41 AU

Year: 19557 Days

Day: 18.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 81,946,114 km

• M1: 92,302 km (0.059 R)
• M2: 402,717 km (0.105 R)
• M3: 746,793 km (0.092 R)
• M4: 1,075,010 km (0.075 R)
• M5: 1,888,823 km (0.045 R)
• M6: 2,280,021 km (0.109 R)
• M7: 2,850,438 km (0.104 R)
• M8: 3,631,638 km (0.106 R)
• M9: 4,339,834 km (0.098 R)
• M10: 4,947,501 km (0.059 R)
• M11: 5,291,426 km (0.099 R)
• M12: 5,942,476 km (0.102 R)
• M13: 6,419,993 km (0.114 R)
• M14: 6,691,214 km (0.108 R)
• M15: 7,802,427 km (0.1 R)
• M16: 10,385,234 km (0.11 R)
• M17: 13,415,488 km (0.087 R)
• M18: 14,777,128 km (0.117 R)
• M19: 16,563,476 km (0.111 R)
• M20: 16,817,793 km (0.081 R)
• M21: 18,308,236 km (0.114 R)
• M22: 25,716,173 km (0.081 R)
• M23: 34,211,537 km (0.092 R)
• M24: 35,319,459 km (0.04 R)
• M25: 36,166,033 km (0.086 R)
• M26: 37,899,573 km (0.044 R)
• M27: 41,687,840 km (0.068 R)
• M28: 44,730,212 km (0.094 R)
• M29: 45,058,879 km (0.074 R)
• M30: 59,366,718 km (0.101 R)
• M31: 61,774,945 km (0.106 R)
• M32: 65,085,994 km (0.085 R)
• M33: 68,078,700 km (0.109 R)
• M34: 74,336,828 km (0.089 R)
• M35: 81,211,598 km (0.057 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 555 - 17,273 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit