🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.5

Radius: 8.3

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.77 AU - 0.93 AU

Year: 514 Days

Day: 10.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,453,259 km

• M1: 103,223 km (0.05 R)
• M2: 372,648 km (0.039 R)
• M3: 665,112 km (0.071 R)
• M4: 943,364 km (0.086 R)
• M5: 1,243,009 km (0.115 R)
• M6: 1,512,584 km (0.095 R)
• M7: 1,897,649 km (0.114 R)
• M8: 2,198,490 km (0.107 R)
• M9: 2,665,535 km (0.092 R)
• M10: 3,436,263 km (0.103 R)
• M11: 4,212,227 km (0.11 R)
• M12: 4,514,116 km (0.055 R)
• M13: 4,994,175 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.1

Radius: 12.8

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.81 AU - 1.09 AU

Year: 607 Days

Day: 9.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,453,259 km

• M1: 159,172 km (0.092 R)
• M2: 613,800 km (0.084 R)
• M3: 1,065,137 km (0.111 R)
• M4: 1,745,658 km (0.119 R)
• M5: 2,735,995 km (0.12 R)
• M6: 3,173,120 km (0.091 R)
• M7: 3,924,551 km (0.119 R)
• M8: 4,547,626 km (0.12 R)
• M9: 5,096,351 km (0.056 R)
• M10: 6,448,117 km (0.075 R)
• M11: 7,012,550 km (0.108 R)
• M12: 7,909,239 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.6

Radius: 9.1

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.02 AU - 1.62 AU

Year: 995 Days

Day: 10.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,453,259 km

• M1: 113,246 km (0.117 R)
• M2: 461,360 km (0.038 R)
• M3: 809,773 km (0.103 R)
• M4: 1,113,756 km (0.116 R)
• M5: 1,495,231 km (0.077 R)
• M6: 1,907,373 km (0.118 R)
• M7: 2,385,188 km (0.115 R)
• M8: 3,495,953 km (0.103 R)
• M9: 3,882,065 km (0.085 R)
• M10: 4,394,138 km (0.093 R)
• M11: 5,182,968 km (0.11 R)
• M12: 5,487,699 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.8

Radius: 12.9

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.37 AU - 1.49 AU

Year: 1122 Days

Day: 11.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 61,453,259 km

• M1: 160,668 km (0.112 R)
• M2: 1,482,814 km (0.063 R)
• M3: 2,172,460 km (0.066 R)
• M4: 4,069,361 km (0.076 R)
• M5: 5,706,261 km (0.03 R)

Asteroid Belt

Center: 1.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.4

Radius: 8.3

Gravity: 12.47 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.04 AU - 2.9 AU

Year: 2547 Days

Day: 6.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,453,259 km

• M1: 103,223 km (0.072 R)
• M2: 449,990 km (0.083 R)
• M3: 880,234 km (0.068 R)
• M4: 1,141,581 km (0.114 R)
• M5: 1,445,863 km (0.116 R)
• M6: 1,961,527 km (0.117 R)
• M7: 2,403,140 km (0.113 R)
• M8: 3,357,575 km (0.119 R)
• M9: 3,655,424 km (0.108 R)
• M10: 4,135,633 km (0.118 R)
• M11: 4,544,933 km (0.077 R)
• M12: 5,173,094 km (0.04 R)
• M13: 5,546,341 km (0.082 R)
• M14: 6,263,513 km (0.108 R)
• M15: 6,572,882 km (0.028 R)
• M16: 6,833,631 km (0.112 R)
• M17: 10,964,926 km (0.065 R)
• M18: 13,111,356 km (0.119 R)
• M19: 13,806,537 km (0.039 R)
• M20: 14,091,371 km (0.092 R)
• M21: 14,919,695 km (0.085 R)
• M22: 15,625,946 km (0.071 R)
• M23: 17,159,474 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.7

Radius: 10.9

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.26 AU - 2.7 AU

Year: 2562 Days

Day: 14.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,453,259 km

• M1: 135,835 km (0.099 R)
• M2: 595,549 km (0.049 R)
• M3: 1,060,499 km (0.101 R)
• M4: 1,827,936 km (0.105 R)
• M5: 3,273,351 km (0.116 R)
• M6: 4,867,466 km (0.107 R)
• M7: 5,370,115 km (0.079 R)
• M8: 9,213,434 km (0.064 R)
• M9: 12,476,612 km (0.079 R)
• M10: 14,104,237 km (0.091 R)
• M11: 14,499,175 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.4

Radius: 6.9

Gravity: 18.07 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 6.09 AU - 6.69 AU

Year: 10596 Days

Day: 21.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,453,259 km

• M1: 86,468 km (0.077 R)
• M2: 496,067 km (0.09 R)
• M3: 1,341,295 km (0.086 R)
• M4: 2,176,649 km (0.055 R)
• M5: 4,720,112 km (0.072 R)
• M6: 4,943,761 km (0.108 R)
• M7: 6,058,265 km (0.058 R)
• M8: 7,246,970 km (0.107 R)
• M9: 7,985,684 km (0.076 R)
• M10: 10,449,112 km (0.101 R)
• M11: 10,665,879 km (0.116 R)
• M12: 12,267,474 km (0.116 R)
• M13: 15,445,232 km (0.033 R)
• M14: 18,024,748 km (0.104 R)
• M15: 18,573,024 km (0.083 R)
• M16: 20,707,337 km (0.108 R)
• M17: 25,067,517 km (0.043 R)
• M18: 25,947,900 km (0.067 R)
• M19: 27,153,809 km (0.075 R)
• M20: 27,563,856 km (0.057 R)
• M21: 33,747,634 km (0.115 R)
• M22: 34,460,468 km (0.113 R)
• M23: 35,062,151 km (0.099 R)
• M24: 44,661,696 km (0.12 R)
• M25: 45,376,774 km (0.097 R)
• M26: 46,536,906 km (0.086 R)
• M27: 47,567,934 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.1

Radius: 6.4

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.02 AU - 7.84 AU

Year: 10696 Days

Day: 18.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,453,259 km

• M1: 79,885 km (0.11 R)
• M2: 309,069 km (0.079 R)
• M3: 584,180 km (0.102 R)
• M4: 1,275,621 km (0.074 R)
• M5: 1,928,466 km (0.085 R)
• M6: 2,463,727 km (0.118 R)
• M7: 3,074,685 km (0.082 R)
• M8: 3,653,479 km (0.103 R)
• M9: 6,243,018 km (0.117 R)
• M10: 6,871,479 km (0.109 R)
• M11: 7,335,980 km (0.117 R)
• M12: 8,107,756 km (0.104 R)
• M13: 8,476,066 km (0.034 R)
• M14: 8,702,258 km (0.082 R)
• M15: 9,853,264 km (0.12 R)
• M16: 13,600,242 km (0.113 R)
• M17: 14,438,438 km (0.096 R)
• M18: 17,279,900 km (0.062 R)
• M19: 19,346,894 km (0.084 R)
• M20: 20,137,669 km (0.103 R)
• M21: 20,338,728 km (0.096 R)
• M22: 26,930,758 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 390

Radius: 4.2

Gravity: 22.11 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 8.29 AU - 10.73 AU

Year: 19239 Days

Day: 16.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,453,259 km

• M1: 52,658 km (0.087 R)
• M2: 227,987 km (0.077 R)
• M3: 2,529,999 km (0.111 R)
• M4: 2,753,050 km (0.116 R)
• M5: 10,323,599 km (0.112 R)
• M6: 13,920,680 km (0.043 R)
• M7: 23,161,490 km (0.099 R)
• M8: 23,547,752 km (0.05 R)
• M9: 25,237,310 km (0.118 R)
• M10: 28,193,215 km (0.08 R)
• M11: 31,844,600 km (0.057 R)
• M12: 32,925,594 km (0.07 R)
• M13: 37,098,626 km (0.113 R)
• M14: 38,026,881 km (0.102 R)
• M15: 38,160,771 km (0.089 R)
• M16: 40,345,798 km (0.089 R)
• M17: 54,037,144 km (0.056 R)
• M18: 56,264,806 km (0.112 R)
• M19: 57,137,710 km (0.05 R)
• M20: 59,449,296 km (0.112 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 15,462 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit