🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.51 AU - 0.79 AU

Year: 193 Days

Day: 47.6 Hours

Environment

Temp: 211 °C

Axial Tilt: 10 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 25,711,892 km

• M1: 161,416 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.1 AU - 1.4 AU

Year: 516 Days

Day: 38.5 Hours

Environment

Temp: 1 °C

Axial Tilt: 8.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 25,711,892 km

• M1: 479,760 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.24 AU - 1.54 AU

Year: 605 Days

Day: 24.1 Hours

Environment

Temp: -28 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,711,892 km

• M1: 178,021 km (0.089 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.77 AU - 2.87 AU

Year: 1304 Days

Day: 16.4 Hours

Environment

Temp: -75 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.2

Radius: 11.4

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.81 AU - 7.49 AU

Year: 7054 Days

Day: 14.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 25,711,892 km

• M1: 231,877 km (0.094 R)
• M2: 340,784 km (0.074 R)
• M3: 589,864 km (0.119 R)
• M4: 782,098 km (0.079 R)
• M5: 922,420 km (0.106 R)
• M6: 1,008,290 km (0.094 R)
• M7: 1,149,360 km (0.089 R)
• M8: 1,480,720 km (0.088 R)
• M9: 1,553,723 km (0.097 R)
• M10: 1,703,321 km (0.104 R)
• M11: 1,810,882 km (0.107 R)
• M12: 2,049,640 km (0.078 R)
• M13: 2,646,087 km (0.094 R)
• M14: 2,753,648 km (0.103 R)
• M15: 2,899,356 km (0.041 R)
• M16: 3,275,146 km (0.086 R)
• M17: 3,587,058 km (0.114 R)
• M18: 3,706,586 km (0.049 R)
• M19: 3,847,657 km (0.062 R)
• M20: 4,197,866 km (0.098 R)
• M21: 4,302,884 km (0.031 R)
• M22: 4,451,285 km (0.101 R)
• M23: 4,775,164 km (0.11 R)
• M24: 5,400,483 km (0.069 R)
• M25: 5,886,377 km (0.075 R)
• M26: 5,980,624 km (0.111 R)
• M27: 6,653,964 km (0.091 R)
• M28: 7,478,248 km (0.091 R)
• M29: 7,863,762 km (0.095 R)
• M30: 8,150,541 km (0.107 R)
• M31: 8,334,845 km (0.042 R)
• M32: 8,627,160 km (0.101 R)
• M33: 9,058,600 km (0.028 R)
• M34: 9,886,474 km (0.07 R)
• M35: 10,196,142 km (0.099 R)
• M36: 10,366,384 km (0.09 R)
• M37: 12,421,560 km (0.061 R)
• M38: 12,573,103 km (0.066 R)
• M39: 12,847,465 km (0.06 R)
• M40: 12,939,318 km (0.106 R)
• M41: 13,619,839 km (0.115 R)
• M42: 13,713,487 km (0.114 R)
• M43: 15,177,153 km (0.079 R)
• M44: 15,404,242 km (0.058 R)
• M45: 15,730,515 km (0.11 R)
• M46: 15,894,624 km (0.099 R)
• M47: 16,390,092 km (0.12 R)
• M48: 17,058,645 km (0.111 R)
• M49: 17,328,669 km (0.059 R)
• M50: 18,250,192 km (0.074 R)
• M51: 18,734,291 km (0.084 R)
• M52: 19,187,572 km (0.116 R)
• M53: 20,497,601 km (0.075 R)
• M54: 20,676,819 km (0.101 R)
• M55: 20,928,593 km (0.079 R)
• M56: 21,544,487 km (0.102 R)
• M57: 21,617,192 km (0.092 R)
• M58: 21,836,203 km (0.039 R)
• M59: 21,982,659 km (0.115 R)
• M60: 23,053,929 km (0.07 R)
• M61: 23,464,725 km (0.09 R)
• M62: 23,765,118 km (0.109 R)
• M63: 24,217,950 km (0.119 R)
• M64: 24,445,489 km (0.062 R)
• M65: 25,516,460 km (0.084 R)
• M66: 25,670,695 km (0.048 R)
• M67: 25,980,064 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.3

Radius: 11.7

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.01 AU - 8.55 AU

Year: 7247 Days

Day: 6.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 25,711,892 km

• M1: 151,991 km (0.103 R)
• M2: 265,237 km (0.093 R)
• M3: 414,386 km (0.04 R)
• M4: 511,924 km (0.106 R)
• M5: 734,825 km (0.1 R)
• M6: 858,991 km (0.092 R)
• M7: 1,484,759 km (0.097 R)
• M8: 1,645,726 km (0.117 R)
• M9: 1,720,824 km (0.05 R)
• M10: 1,827,936 km (0.107 R)
• M11: 2,081,654 km (0.066 R)
• M12: 2,229,607 km (0.095 R)
• M13: 2,398,054 km (0.118 R)
• M14: 2,483,923 km (0.059 R)
• M15: 2,623,498 km (0.036 R)
• M16: 2,892,325 km (0.105 R)
• M17: 3,189,127 km (0.114 R)
• M18: 3,574,192 km (0.089 R)
• M19: 3,672,777 km (0.104 R)
• M20: 3,852,594 km (0.088 R)
• M21: 4,097,037 km (0.115 R)
• M22: 4,262,791 km (0.1 R)
• M23: 4,473,126 km (0.11 R)
• M24: 4,816,902 km (0.109 R)
• M25: 6,444,377 km (0.044 R)
• M26: 6,613,273 km (0.092 R)
• M27: 6,980,536 km (0.112 R)
• M28: 7,581,919 km (0.118 R)
• M29: 8,330,806 km (0.075 R)
• M30: 8,780,946 km (0.105 R)
• M31: 9,429,752 km (0.107 R)
• M32: 9,566,933 km (0.106 R)
• M33: 10,010,192 km (0.1 R)
• M34: 10,178,190 km (0.079 R)
• M35: 10,859,459 km (0.074 R)
• M36: 11,118,862 km (0.087 R)
• M37: 11,351,038 km (0.087 R)
• M38: 11,584,859 km (0.111 R)
• M39: 11,820,326 km (0.101 R)
• M40: 11,938,658 km (0.082 R)
• M41: 12,206,438 km (0.056 R)
• M42: 13,143,519 km (0.083 R)
• M43: 13,978,724 km (0.081 R)
• M44: 14,135,204 km (0.063 R)
• M45: 14,513,237 km (0.102 R)
• M46: 14,894,712 km (0.111 R)
• M47: 15,311,641 km (0.099 R)
• M48: 15,732,460 km (0.056 R)
• M49: 16,222,842 km (0.116 R)
• M50: 16,486,433 km (0.101 R)
• M51: 16,751,371 km (0.095 R)
• M52: 17,017,805 km (0.107 R)
• M53: 17,218,416 km (0.099 R)
• M54: 17,319,095 km (0.11 R)
• M55: 18,063,344 km (0.077 R)
• M56: 18,268,144 km (0.052 R)
• M57: 19,268,655 km (0.084 R)
• M58: 19,512,948 km (0.084 R)
• M59: 19,617,816 km (0.078 R)
• M60: 19,933,916 km (0.047 R)
• M61: 20,039,682 km (0.089 R)
• M62: 20,820,732 km (0.102 R)
• M63: 20,999,502 km (0.086 R)
• M64: 21,322,933 km (0.067 R)
• M65: 21,503,198 km (0.112 R)
• M66: 22,229,645 km (0.061 R)
• M67: 22,522,408 km (0.05 R)
• M68: 22,595,861 km (0.056 R)
• M69: 23,111,973 km (0.088 R)
• M70: 23,297,176 km (0.114 R)
• M71: 23,482,976 km (0.107 R)
• M72: 24,306,213 km (0.111 R)
• M73: 24,607,803 km (0.09 R)
• M74: 25,024,732 km (0.086 R)
• M75: 25,138,875 km (0.113 R)
• M76: 25,253,018 km (0.088 R)
• M77: 25,673,538 km (0.116 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 17,376 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit