🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.16 AU - 1.38 AU

Year: 525 Days

Day: 36 Hours

Environment

Temp: 4 °C

Axial Tilt: 36.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 86,738,573 km

• M1: 362,027 km (0.053 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.27 AU - 1.65 AU

Year: 648 Days

Day: 43.3 Hours

Environment

Temp: -25 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.06 AU - 4.96 AU

Year: 3516 Days

Day: 15.6 Hours

Environment

Temp: -128 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,738,573 km

• M1: 230,680 km (0.114 R)

Asteroid Belt

Center: 4.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.2

Radius: 14.6

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.09 AU - 6.43 AU

Year: 4428 Days

Day: 6.4 Hours

Environment

Temp: -134 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,738,573 km

• M1: 181,911 km (0.096 R)
• M2: 637,437 km (0.073 R)
• M3: 1,097,600 km (0.082 R)
• M4: 1,819,858 km (0.113 R)
• M5: 2,542,565 km (0.112 R)
• M6: 3,915,874 km (0.101 R)
• M7: 4,470,583 km (0.05 R)
• M8: 4,972,783 km (0.087 R)
• M9: 6,273,088 km (0.098 R)
• M10: 7,406,591 km (0.089 R)
• M11: 8,483,246 km (0.091 R)
• M12: 9,177,829 km (0.068 R)
• M13: 11,912,778 km (0.112 R)
• M14: 13,389,907 km (0.053 R)
• M15: 15,319,869 km (0.1 R)
• M16: 18,490,147 km (0.097 R)
• M17: 19,527,459 km (0.058 R)
• M18: 22,507,897 km (0.046 R)
• M19: 23,841,113 km (0.078 R)
• M20: 24,681,554 km (0.098 R)
• M21: 25,148,150 km (0.095 R)
• M22: 26,259,961 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.3

Radius: 13.1

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.04 AU - 9.76 AU

Year: 8937 Days

Day: 10.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 86,738,573 km

• M1: 163,361 km (0.076 R)
• M2: 675,883 km (0.074 R)
• M3: 1,228,647 km (0.064 R)
• M4: 2,569,942 km (0.076 R)
• M5: 3,510,464 km (0.097 R)
• M6: 4,580,388 km (0.12 R)
• M7: 5,065,234 km (0.076 R)
• M8: 6,102,995 km (0.11 R)
• M9: 7,237,545 km (0.118 R)
• M10: 8,963,306 km (0.094 R)
• M11: 10,223,369 km (0.1 R)
• M12: 11,708,876 km (0.114 R)
• M13: 14,074,616 km (0.116 R)
• M14: 15,236,992 km (0.066 R)
• M15: 19,341,210 km (0.07 R)
• M16: 20,050,453 km (0.089 R)
• M17: 22,111,912 km (0.08 R)
• M18: 25,982,457 km (0.082 R)
• M19: 30,493,880 km (0.092 R)
• M20: 31,671,365 km (0.118 R)
• M21: 33,550,314 km (0.098 R)
• M22: 34,574,611 km (0.075 R)
• M23: 35,972,603 km (0.068 R)
• M24: 36,925,392 km (0.118 R)
• M25: 38,509,484 km (0.115 R)
• M26: 39,005,850 km (0.093 R)
• M27: 42,205,598 km (0.1 R)
• M28: 45,025,518 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347

Radius: 9.9

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.51 AU - 10.51 AU

Year: 9928 Days

Day: 10.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,738,573 km

• M1: 135,087 km (0.093 R)
• M2: 744,249 km (0.102 R)
• M3: 1,762,263 km (0.057 R)
• M4: 2,773,844 km (0.031 R)
• M5: 3,286,216 km (0.119 R)
• M6: 3,909,591 km (0.037 R)
• M7: 5,483,510 km (0.119 R)
• M8: 6,326,644 km (0.12 R)
• M9: 7,105,749 km (0.101 R)
• M10: 7,750,366 km (0.107 R)
• M11: 14,747,358 km (0.06 R)
• M12: 27,024,407 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.1

Radius: 8.2

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.85 AU - 10.85 AU

Year: 11348 Days

Day: 7.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,738,573 km

• M1: 102,026 km (0.115 R)
• M2: 401,371 km (0.11 R)
• M3: 798,254 km (0.1 R)
• M4: 1,747,902 km (0.076 R)
• M5: 2,934,063 km (0.099 R)
• M6: 4,086,864 km (0.09 R)
• M7: 4,344,322 km (0.085 R)
• M8: 5,007,340 km (0.054 R)
• M9: 6,159,094 km (0.066 R)
• M10: 7,708,928 km (0.119 R)
• M11: 8,511,820 km (0.092 R)
• M12: 9,237,070 km (0.101 R)
• M13: 12,128,647 km (0.109 R)
• M14: 14,538,819 km (0.113 R)
• M15: 20,582,273 km (0.104 R)
• M16: 26,569,180 km (0.074 R)
• M17: 27,107,583 km (0.09 R)
• M18: 32,897,320 km (0.11 R)
• M19: 35,427,020 km (0.081 R)
• M20: 36,628,739 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915

Radius: 10.9

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 9.11 AU - 11.71 AU

Year: 12330 Days

Day: 14.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 145.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 86,738,573 km

• M1: 135,536 km (0.052 R)
• M2: 688,449 km (0.079 R)
• M3: 1,116,299 km (0.108 R)
• M4: 2,312,035 km (0.114 R)
• M5: 3,564,768 km (0.092 R)
• M6: 3,924,999 km (0.072 R)
• M7: 4,719,364 km (0.033 R)
• M8: 5,259,412 km (0.072 R)
• M9: 6,626,138 km (0.117 R)
• M10: 7,981,645 km (0.036 R)
• M11: 11,175,111 km (0.041 R)
• M12: 14,709,510 km (0.092 R)
• M13: 16,086,259 km (0.032 R)
• M14: 23,310,340 km (0.084 R)
• M15: 27,569,541 km (0.104 R)
• M16: 30,336,803 km (0.098 R)
• M17: 38,791,326 km (0.026 R)
• M18: 42,974,382 km (0.045 R)
• M19: 51,082,886 km (0.092 R)
• M20: 55,580,546 km (0.081 R)
• M21: 58,899,524 km (0.1 R)
• M22: 59,614,602 km (0.114 R)
• M23: 59,974,385 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 471.9

Radius: 5.1

Gravity: 18.14 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 15.58 AU - 21.52 AU

Year: 29328 Days

Day: 18.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,738,573 km

• M1: 63,429 km (0.108 R)
• M2: 249,529 km (0.044 R)
• M3: 924,814 km (0.065 R)
• M4: 1,202,767 km (0.059 R)
• M5: 2,450,712 km (0.108 R)
• M6: 4,007,129 km (0.118 R)
• M7: 4,489,432 km (0.093 R)
• M8: 9,235,724 km (0.053 R)
• M9: 11,493,455 km (0.118 R)
• M10: 12,250,570 km (0.077 R)
• M11: 12,462,849 km (0.091 R)
• M12: 12,894,439 km (0.05 R)
• M13: 13,635,996 km (0.042 R)
• M14: 15,946,684 km (0.093 R)
• M15: 22,572,374 km (0.081 R)
• M16: 23,976,649 km (0.116 R)
• M17: 25,783,492 km (0.098 R)
• M18: 31,216,737 km (0.084 R)
• M19: 39,942,631 km (0.073 R)
• M20: 40,253,346 km (0.11 R)
• M21: 41,671,684 km (0.104 R)
• M22: 51,619,792 km (0.102 R)
• M23: 76,988,001 km (0.116 R)
• M24: 84,674,938 km (0.096 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 19,436 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit