🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.77 AU - 0.85 AU

Year: 270 Days

Day: 35.1 Hours

Environment

Temp: 165 °C

Axial Tilt: 36.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.13 AU - 1.49 AU

Year: 556 Days

Day: 39.3 Hours

Environment

Temp: -30 °C

Axial Tilt: 13.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.09 AU - 1.57 AU

Year: 569 Days

Day: 31.4 Hours

Environment

Temp: -24 °C

Axial Tilt: 114.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.2 AU - 5.16 AU

Year: 3169 Days

Day: 13.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.2 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.3

Radius: 14.6

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.35 AU - 9.09 AU

Year: 8740 Days

Day: 12.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,889,844 km

• M1: 181,761 km (0.096 R)
• M2: 669,002 km (0.047 R)
• M3: 1,602,642 km (0.08 R)
• M4: 2,115,015 km (0.113 R)
• M5: 3,169,231 km (0.105 R)
• M6: 5,570,726 km (0.113 R)
• M7: 6,675,356 km (0.105 R)
• M8: 10,609,182 km (0.094 R)
• M9: 11,139,955 km (0.078 R)
• M10: 13,545,938 km (0.115 R)
• M11: 14,013,431 km (0.039 R)
• M12: 15,763,128 km (0.08 R)
• M13: 16,690,934 km (0.037 R)
• M14: 18,911,265 km (0.112 R)
• M15: 22,892,962 km (0.071 R)
• M16: 27,900,452 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.2

Radius: 8.9

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 7.23 AU - 9.63 AU

Year: 9077 Days

Day: 6.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,889,844 km

• M1: 110,702 km (0.118 R)
• M2: 409,599 km (0.11 R)
• M3: 687,103 km (0.075 R)
• M4: 4,721,608 km (0.116 R)
• M5: 6,042,557 km (0.102 R)
• M6: 7,115,324 km (0.066 R)
• M7: 10,371,172 km (0.096 R)
• M8: 12,925,705 km (0.115 R)
• M9: 17,753,827 km (0.081 R)
• M10: 18,191,251 km (0.076 R)
• M11: 19,623,949 km (0.105 R)
• M12: 21,621,829 km (0.037 R)
• M13: 26,017,463 km (0.102 R)
• M14: 26,772,035 km (0.058 R)
• M15: 28,029,106 km (0.084 R)
• M16: 28,622,411 km (0.103 R)
• M17: 29,123,115 km (0.053 R)
• M18: 31,608,684 km (0.062 R)
• M19: 32,143,646 km (0.097 R)
• M20: 37,353,392 km (0.112 R)
• M21: 41,038,137 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570

Radius: 6.7

Gravity: 12.7 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 13.18 AU - 15.34 AU

Year: 19970 Days

Day: 21.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,889,844 km

• M1: 83,625 km (0.081 R)
• M2: 339,138 km (0.066 R)
• M3: 929,751 km (0.118 R)
• M4: 1,281,455 km (0.065 R)
• M5: 2,109,480 km (0.079 R)
• M6: 2,423,336 km (0.093 R)
• M7: 2,720,288 km (0.118 R)
• M8: 3,145,146 km (0.115 R)
• M9: 3,613,387 km (0.109 R)
• M10: 3,940,408 km (0.078 R)
• M11: 4,451,135 km (0.112 R)
• M12: 5,526,744 km (0.119 R)
• M13: 5,961,475 km (0.101 R)
• M14: 7,034,391 km (0.108 R)
• M15: 7,497,696 km (0.095 R)
• M16: 8,331,554 km (0.107 R)
• M17: 9,009,981 km (0.089 R)
• M18: 9,445,310 km (0.109 R)
• M19: 9,894,553 km (0.041 R)
• M20: 10,775,385 km (0.057 R)
• M21: 11,453,662 km (0.11 R)
• M22: 11,964,688 km (0.06 R)
• M23: 13,238,963 km (0.061 R)
• M24: 18,282,206 km (0.071 R)
• M25: 19,335,226 km (0.081 R)
• M26: 20,243,285 km (0.118 R)
• M27: 25,106,711 km (0.073 R)
• M28: 26,296,314 km (0.086 R)
• M29: 31,929,571 km (0.111 R)
• M30: 33,453,824 km (0.097 R)
• M31: 38,600,140 km (0.111 R)
• M32: 42,259,155 km (0.089 R)
• M33: 47,924,426 km (0.045 R)
• M34: 61,698,650 km (0.101 R)
• M35: 69,585,450 km (0.04 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 527.5

Radius: 3.5

Gravity: 43.06 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 13.98 AU - 18.56 AU

Year: 24338 Days

Day: 22.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,889,844 km

• M1: 43,683 km (0.079 R)
• M2: 306,376 km (0.114 R)
• M3: 484,099 km (0.107 R)
• M4: 632,649 km (0.086 R)
• M5: 948,451 km (0.033 R)
• M6: 1,087,876 km (0.035 R)
• M7: 1,660,088 km (0.039 R)
• M8: 4,507,234 km (0.057 R)
• M9: 5,439,528 km (0.06 R)
• M10: 7,331,792 km (0.061 R)
• M11: 8,031,910 km (0.08 R)
• M12: 8,720,808 km (0.06 R)
• M13: 10,336,614 km (0.089 R)
• M14: 11,871,937 km (0.1 R)
• M15: 18,434,347 km (0.052 R)
• M16: 27,178,492 km (0.106 R)
• M17: 28,841,721 km (0.08 R)
• M18: 34,100,835 km (0.101 R)
• M19: 38,623,777 km (0.114 R)
• M20: 40,874,925 km (0.118 R)
• M21: 55,114,997 km (0.114 R)
• M22: 55,489,141 km (0.084 R)
• M23: 74,593,089 km (0.111 R)
• M24: 79,018,343 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 381.9

Radius: 6.2

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 16.47 AU - 17.67 AU

Year: 26155 Days

Day: 19.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,889,844 km

• M1: 99,632 km (0.093 R)
• M2: 372,200 km (0.115 R)
• M3: 675,584 km (0.065 R)
• M4: 884,572 km (0.086 R)
• M5: 1,085,632 km (0.073 R)
• M6: 1,361,939 km (0.095 R)
• M7: 1,958,984 km (0.064 R)
• M8: 3,567,610 km (0.072 R)
• M9: 3,805,471 km (0.059 R)
• M10: 4,117,681 km (0.081 R)
• M11: 4,446,946 km (0.025 R)
• M12: 5,659,587 km (0.101 R)
• M13: 7,406,740 km (0.052 R)
• M14: 7,647,742 km (0.084 R)
• M15: 7,994,061 km (0.098 R)
• M16: 9,316,955 km (0.116 R)
• M17: 10,177,293 km (0.062 R)
• M18: 14,299,761 km (0.108 R)
• M19: 15,364,150 km (0.066 R)
• M20: 15,677,707 km (0.063 R)
• M21: 16,891,694 km (0.074 R)
• M22: 17,394,492 km (0.079 R)
• M23: 17,649,557 km (0.083 R)
• M24: 24,547,066 km (0.077 R)
• M25: 33,702,007 km (0.101 R)
• M26: 35,990,854 km (0.075 R)
• M27: 37,525,878 km (0.091 R)
• M28: 38,669,254 km (0.12 R)
• M29: 41,025,421 km (0.065 R)
• M30: 42,854,105 km (0.102 R)
• M31: 47,828,384 km (0.113 R)
• M32: 55,162,868 km (0.096 R)
• M33: 61,229,062 km (0.063 R)
• M34: 61,425,484 km (0.093 R)
• M35: 63,011,970 km (0.1 R)
• M36: 65,853,731 km (0.115 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 19,004 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit