🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.47 AU - 0.59 AU

Year: 245 Days

Day: 26.2 Hours

Environment

Temp: -128 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 76,499,337 km

• M1: 22,589 km (0.081 R)
• M2: 231,129 km (0.105 R)

Asteroid Belt

Center: 1.08 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.9

Radius: 12.9

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.34 AU - 1.92 AU

Year: 1323 Days

Day: 10.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,499,337 km

• M1: 160,369 km (0.025 R)
• M2: 586,573 km (0.119 R)
• M3: 994,078 km (0.064 R)
• M4: 1,397,992 km (0.051 R)
• M5: 1,888,673 km (0.108 R)
• M6: 2,515,638 km (0.08 R)
• M7: 3,995,460 km (0.1 R)
• M8: 6,130,670 km (0.101 R)
• M9: 6,535,781 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.9

Radius: 10.4

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.92 AU - 2.52 AU

Year: 2103 Days

Day: 11.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 76,499,337 km

• M1: 176,077 km (0.071 R)
• M2: 695,481 km (0.08 R)
• M3: 1,166,863 km (0.106 R)
• M4: 1,670,410 km (0.112 R)
• M5: 2,410,620 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.9

Radius: 8.5

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.53 AU - 2.69 AU

Year: 2681 Days

Day: 10.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,499,337 km

• M1: 105,766 km (0.036 R)
• M2: 382,372 km (0.098 R)
• M3: 742,005 km (0.113 R)
• M4: 1,426,864 km (0.111 R)
• M5: 1,943,875 km (0.115 R)
• M6: 2,292,288 km (0.111 R)
• M7: 2,756,490 km (0.107 R)
• M8: 3,632,087 km (0.093 R)
• M9: 3,987,531 km (0.091 R)
• M10: 4,366,163 km (0.092 R)
• M11: 6,389,026 km (0.1 R)
• M12: 6,824,655 km (0.061 R)
• M13: 7,426,487 km (0.088 R)
• M14: 8,000,943 km (0.076 R)
• M15: 8,539,794 km (0.101 R)
• M16: 9,170,499 km (0.1 R)
• M17: 12,713,575 km (0.069 R)
• M18: 14,623,940 km (0.108 R)
• M19: 15,333,183 km (0.12 R)
• M20: 15,672,023 km (0.105 R)
• M21: 16,871,349 km (0.066 R)
• M22: 17,546,185 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57

Radius: 10.9

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.09 AU - 5.11 AU

Year: 5278 Days

Day: 10.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,499,337 km

• M1: 135,536 km (0.101 R)
• M2: 1,368,671 km (0.076 R)
• M3: 2,411,667 km (0.093 R)
• M4: 2,971,762 km (0.052 R)
• M5: 4,278,948 km (0.086 R)
• M6: 5,708,505 km (0.107 R)
• M7: 9,201,167 km (0.1 R)
• M8: 10,333,174 km (0.118 R)
• M9: 11,126,042 km (0.069 R)
• M10: 12,108,152 km (0.108 R)
• M11: 13,226,247 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38.5

Radius: 7.9

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.84 AU - 8.08 AU

Year: 11675 Days

Day: 17.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,499,337 km

• M1: 107,561 km (0.065 R)
• M2: 557,402 km (0.109 R)
• M3: 1,245,402 km (0.119 R)
• M4: 1,871,469 km (0.105 R)
• M5: 3,165,940 km (0.098 R)
• M6: 3,889,694 km (0.093 R)
• M7: 5,188,204 km (0.07 R)
• M8: 6,667,128 km (0.115 R)
• M9: 9,168,255 km (0.092 R)
• M10: 11,892,732 km (0.071 R)
• M11: 12,672,136 km (0.12 R)
• M12: 14,622,294 km (0.057 R)
• M13: 16,764,536 km (0.041 R)
• M14: 17,743,654 km (0.087 R)
• M15: 20,054,941 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586.3

Radius: 6.9

Gravity: 12.31 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.19 AU - 8.25 AU

Year: 14984 Days

Day: 19.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 76,499,337 km

• M1: 88,562 km (0.092 R)
• M2: 311,762 km (0.032 R)
• M3: 660,923 km (0.059 R)
• M4: 1,168,359 km (0.096 R)
• M5: 1,676,543 km (0.052 R)
• M6: 2,862,256 km (0.04 R)
• M7: 3,980,650 km (0.108 R)
• M8: 4,400,870 km (0.109 R)
• M9: 4,984,152 km (0.104 R)
• M10: 5,436,536 km (0.045 R)
• M11: 6,224,767 km (0.112 R)
• M12: 6,832,883 km (0.087 R)
• M13: 7,391,332 km (0.077 R)
• M14: 9,096,598 km (0.065 R)
• M15: 9,718,925 km (0.09 R)
• M16: 11,339,967 km (0.089 R)
• M17: 11,636,620 km (0.119 R)
• M18: 13,659,632 km (0.115 R)
• M19: 14,614,216 km (0.054 R)
• M20: 17,983,758 km (0.094 R)
• M21: 18,632,564 km (0.076 R)
• M22: 19,890,982 km (0.094 R)
• M23: 24,396,122 km (0.064 R)
• M24: 25,900,478 km (0.098 R)
• M25: 27,786,009 km (0.111 R)
• M26: 29,425,752 km (0.114 R)
• M27: 33,016,998 km (0.066 R)
• M28: 34,730,642 km (0.079 R)
• M29: 39,951,757 km (0.107 R)
• M30: 40,225,820 km (0.108 R)
• M31: 43,178,882 km (0.094 R)
• M32: 43,467,457 km (0.088 R)
• M33: 44,194,502 km (0.043 R)
• M34: 44,634,619 km (0.092 R)
• M35: 47,031,327 km (0.039 R)
• M36: 53,895,176 km (0.105 R)
• M37: 54,903,017 km (0.099 R)
• M38: 55,411,650 km (0.045 R)

Asteroid Belt

Center: 8.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 759.4

Radius: 3.3

Gravity: 69.73 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 7.95 AU - 11.41 AU

Year: 19149 Days

Day: 22.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,499,337 km

• M1: 42,037 km (0.118 R)
• M2: 450,738 km (0.066 R)
• M3: 1,165,517 km (0.051 R)
• M4: 1,613,862 km (0.107 R)
• M5: 2,363,198 km (0.114 R)
• M6: 3,153,523 km (0.104 R)
• M7: 4,008,924 km (0.069 R)
• M8: 4,611,504 km (0.112 R)
• M9: 6,465,620 km (0.094 R)
• M10: 6,869,833 km (0.097 R)
• M11: 7,243,080 km (0.113 R)
• M12: 8,656,182 km (0.076 R)
• M13: 11,041,669 km (0.097 R)
• M14: 11,359,565 km (0.099 R)
• M15: 13,182,714 km (0.106 R)
• M16: 13,540,402 km (0.086 R)
• M17: 18,797,421 km (0.102 R)
• M18: 24,508,769 km (0.103 R)
• M19: 33,737,013 km (0.036 R)
• M20: 46,336,145 km (0.065 R)
• M21: 46,996,021 km (0.116 R)
• M22: 59,967,354 km (0.088 R)
• M23: 67,475,222 km (0.079 R)
• M24: 67,686,454 km (0.101 R)
• M25: 73,332,876 km (0.049 R)
• M26: 74,453,514 km (0.043 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 10,991 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit