🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.1

Radius: 9.3

Gravity: 9.59 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.52 AU - 0.54 AU

Year: 262 Days

Day: 9.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,989,981 km

• M1: 115,639 km (0.079 R)
• M2: 461,958 km (0.103 R)
• M3: 945,309 km (0.057 R)
• M4: 1,575,714 km (0.102 R)
• M5: 2,345,096 km (0.045 R)
• M6: 3,644,354 km (0.063 R)
• M7: 4,021,340 km (0.111 R)
• M8: 4,476,417 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.6

Radius: 8.6

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.45 AU - 0.69 AU

Year: 292 Days

Day: 7.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,989,981 km

• M1: 106,962 km (0.107 R)
• M2: 516,711 km (0.111 R)
• M3: 1,009,636 km (0.101 R)
• M4: 1,394,103 km (0.1 R)
• M5: 1,665,623 km (0.045 R)
• M6: 1,972,747 km (0.081 R)
• M7: 2,310,390 km (0.033 R)
• M8: 2,880,806 km (0.067 R)
• M9: 3,232,511 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.7

Radius: 14.5

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.61 AU - 0.79 AU

Year: 397 Days

Day: 11.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 76,989,981 km

• M1: 180,565 km (0.091 R)
• M2: 680,521 km (0.101 R)
• M3: 1,200,822 km (0.084 R)
• M4: 2,028,697 km (0.099 R)
• M5: 3,376,125 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.4

Radius: 8.9

Gravity: 10.66 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.02 AU - 1.52 AU

Year: 971 Days

Day: 7.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,989,981 km

• M1: 110,702 km (0.097 R)
• M2: 400,773 km (0.114 R)
• M3: 714,330 km (0.072 R)
• M4: 1,038,508 km (0.11 R)
• M5: 1,552,826 km (0.099 R)
• M6: 1,869,225 km (0.092 R)
• M7: 2,478,238 km (0.044 R)
• M8: 3,356,827 km (0.106 R)
• M9: 4,517,856 km (0.117 R)
• M10: 5,448,654 km (0.112 R)
• M11: 7,358,420 km (0.104 R)
• M12: 7,865,557 km (0.095 R)
• M13: 8,314,949 km (0.066 R)
• M14: 9,092,259 km (0.096 R)
• M15: 10,316,868 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.7

Radius: 13

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.36 AU - 2.98 AU

Year: 2959 Days

Day: 12 Hours

Environment

Temp: -201 °C

Axial Tilt: 120.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,989,981 km

• M1: 162,164 km (0.03 R)
• M2: 637,137 km (0.096 R)
• M3: 1,191,098 km (0.083 R)
• M4: 2,852,682 km (0.069 R)
• M5: 3,309,853 km (0.105 R)
• M6: 4,394,288 km (0.091 R)
• M7: 5,187,306 km (0.117 R)
• M8: 5,727,055 km (0.064 R)
• M9: 6,701,087 km (0.088 R)
• M10: 7,143,149 km (0.072 R)
• M11: 7,933,325 km (0.029 R)
• M12: 8,846,021 km (0.093 R)
• M13: 9,618,844 km (0.085 R)
• M14: 12,047,565 km (0.1 R)
• M15: 14,220,474 km (0.118 R)
• M16: 14,906,530 km (0.06 R)
• M17: 16,197,111 km (0.06 R)
• M18: 16,743,742 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89

Radius: 12.5

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.78 AU - 3.04 AU

Year: 3367 Days

Day: 8.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,989,981 km

• M1: 183,407 km (0.113 R)
• M2: 595,250 km (0.036 R)
• M3: 1,613,413 km (0.077 R)
• M4: 2,137,454 km (0.05 R)
• M5: 2,672,267 km (0.077 R)
• M6: 3,194,812 km (0.045 R)
• M7: 5,510,587 km (0.084 R)
• M8: 6,226,114 km (0.045 R)
• M9: 7,125,945 km (0.058 R)
• M10: 8,467,389 km (0.118 R)
• M11: 9,301,846 km (0.101 R)
• M12: 9,785,346 km (0.115 R)
• M13: 10,606,639 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.6

Radius: 13.7

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.16 AU - 3.28 AU

Year: 3919 Days

Day: 5.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,989,981 km

• M1: 170,392 km (0.069 R)
• M2: 651,349 km (0.096 R)
• M3: 1,116,000 km (0.1 R)
• M4: 2,295,879 km (0.09 R)
• M5: 2,768,309 km (0.089 R)
• M6: 3,590,947 km (0.088 R)
• M7: 5,722,717 km (0.084 R)
• M8: 7,028,407 km (0.072 R)
• M9: 8,702,707 km (0.114 R)
• M10: 9,328,474 km (0.114 R)
• M11: 9,866,279 km (0.076 R)
• M12: 12,640,122 km (0.106 R)
• M13: 13,251,828 km (0.099 R)
• M14: 16,389,644 km (0.108 R)
• M15: 18,637,651 km (0.045 R)
• M16: 21,019,099 km (0.108 R)
• M17: 22,350,969 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.2

Radius: 9.6

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.08 AU - 4.48 AU

Year: 4985 Days

Day: 10.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,989,981 km

• M1: 127,009 km (0.07 R)
• M2: 747,690 km (0.068 R)
• M3: 1,183,170 km (0.112 R)
• M4: 1,899,893 km (0.103 R)
• M5: 2,334,774 km (0.105 R)
• M6: 4,111,997 km (0.111 R)
• M7: 4,510,974 km (0.042 R)
• M8: 4,935,683 km (0.107 R)
• M9: 6,075,469 km (0.097 R)
• M10: 7,142,401 km (0.094 R)
• M11: 8,166,398 km (0.102 R)
• M12: 8,867,115 km (0.058 R)
• M13: 9,320,695 km (0.117 R)
• M14: 9,753,183 km (0.088 R)
• M15: 11,783,525 km (0.102 R)
• M16: 13,940,577 km (0.12 R)
• M17: 16,348,654 km (0.069 R)
• M18: 16,872,097 km (0.117 R)
• M19: 17,460,764 km (0.116 R)
• M20: 17,897,440 km (0.119 R)
• M21: 18,566,143 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 899.3

Radius: 6.8

Gravity: 19.45 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.43 AU - 10.21 AU

Year: 17766 Days

Day: 17.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 76,989,981 km

• M1: 84,523 km (0.12 R)
• M2: 309,518 km (0.05 R)
• M3: 960,568 km (0.108 R)
• M4: 1,405,322 km (0.097 R)
• M5: 2,079,111 km (0.108 R)
• M6: 2,628,285 km (0.085 R)
• M7: 2,924,339 km (0.112 R)
• M8: 3,554,445 km (0.087 R)
• M9: 3,855,137 km (0.099 R)
• M10: 5,346,329 km (0.106 R)
• M11: 5,823,097 km (0.117 R)
• M12: 8,431,186 km (0.094 R)
• M13: 12,602,573 km (0.057 R)
• M14: 12,949,640 km (0.09 R)
• M15: 15,959,699 km (0.025 R)
• M16: 17,799,454 km (0.094 R)
• M17: 20,529,765 km (0.118 R)
• M18: 23,631,676 km (0.086 R)
• M19: 24,911,785 km (0.101 R)
• M20: 26,463,115 km (0.082 R)
• M21: 30,496,573 km (0.108 R)
• M22: 35,744,466 km (0.097 R)
• M23: 46,485,594 km (0.063 R)
• M24: 46,815,756 km (0.103 R)
• M25: 48,660,298 km (0.113 R)
• M26: 49,171,623 km (0.105 R)
• M27: 52,672,363 km (0.098 R)
• M28: 56,899,401 km (0.066 R)
• M29: 57,656,964 km (0.083 R)
• M30: 67,278,650 km (0.038 R)
• M31: 70,057,132 km (0.055 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 11,492 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit