🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.45 AU - 0.65 AU

Year: 178 Days

Day: 20.7 Hours

Environment

Temp: 23 °C

Axial Tilt: 6.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.36 AU - 1.52 AU

Year: 754 Days

Day: 22.2 Hours

Environment

Temp: -86 °C

Axial Tilt: 19 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.18 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.8

Radius: 9.1

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.89 AU - 2.95 AU

Year: 2178 Days

Day: 7.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,893,003 km

• M1: 113,694 km (0.104 R)
• M2: 407,953 km (0.101 R)
• M3: 824,883 km (0.103 R)
• M4: 1,357,601 km (0.069 R)
• M5: 1,683,425 km (0.045 R)
• M6: 1,996,683 km (0.088 R)
• M7: 2,716,099 km (0.102 R)
• M8: 3,455,112 km (0.089 R)
• M9: 3,863,515 km (0.026 R)
• M10: 4,195,323 km (0.118 R)
• M11: 4,976,672 km (0.054 R)
• M12: 5,520,461 km (0.057 R)
• M13: 5,919,737 km (0.099 R)
• M14: 6,386,034 km (0.089 R)
• M15: 7,905,200 km (0.109 R)
• M16: 9,463,262 km (0.069 R)
• M17: 10,166,671 km (0.084 R)
• M18: 11,251,405 km (0.101 R)
• M19: 11,749,566 km (0.077 R)
• M20: 12,561,883 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.3

Radius: 8.7

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.36 AU - 6.06 AU

Year: 5192 Days

Day: 10.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,893,003 km

• M1: 111,301 km (0.115 R)
• M2: 425,905 km (0.065 R)
• M3: 1,218,475 km (0.117 R)
• M4: 1,552,676 km (0.096 R)
• M5: 1,908,270 km (0.084 R)
• M6: 2,425,281 km (0.076 R)
• M7: 2,734,200 km (0.115 R)
• M8: 3,087,850 km (0.071 R)
• M9: 3,412,327 km (0.071 R)
• M10: 4,996,120 km (0.085 R)
• M11: 5,693,545 km (0.111 R)
• M12: 6,987,118 km (0.061 R)
• M13: 7,447,730 km (0.107 R)
• M14: 9,775,772 km (0.118 R)
• M15: 10,268,547 km (0.049 R)
• M16: 10,864,396 km (0.099 R)
• M17: 11,847,104 km (0.063 R)
• M18: 12,742,447 km (0.066 R)
• M19: 13,732,935 km (0.102 R)
• M20: 17,070,912 km (0.071 R)
• M21: 18,150,710 km (0.096 R)
• M22: 18,958,538 km (0.073 R)
• M23: 22,219,622 km (0.102 R)
• M24: 22,999,925 km (0.112 R)
• M25: 25,144,709 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.8

Radius: 14.9

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 7.57 AU - 9.45 AU

Year: 10838 Days

Day: 14.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,893,003 km

• M1: 185,651 km (0.119 R)
• M2: 707,448 km (0.108 R)
• M3: 1,227,600 km (0.086 R)
• M4: 1,792,332 km (0.1 R)
• M5: 2,342,553 km (0.059 R)
• M6: 3,207,827 km (0.108 R)
• M7: 5,849,875 km (0.11 R)
• M8: 6,652,767 km (0.109 R)
• M9: 7,822,473 km (0.113 R)
• M10: 8,569,564 km (0.081 R)
• M11: 9,220,166 km (0.084 R)
• M12: 10,155,751 km (0.098 R)
• M13: 11,649,037 km (0.103 R)
• M14: 13,162,668 km (0.095 R)
• M15: 15,811,149 km (0.091 R)
• M16: 17,443,561 km (0.089 R)
• M17: 18,262,908 km (0.117 R)
• M18: 19,579,369 km (0.08 R)
• M19: 20,710,479 km (0.087 R)
• M20: 23,728,616 km (0.099 R)
• M21: 26,637,098 km (0.106 R)
• M22: 28,025,515 km (0.027 R)
• M23: 29,566,224 km (0.099 R)
• M24: 31,597,913 km (0.103 R)
• M25: 33,040,635 km (0.066 R)
• M26: 35,227,755 km (0.061 R)
• M27: 36,176,954 km (0.108 R)
• M28: 41,180,703 km (0.097 R)
• M29: 46,203,602 km (0.073 R)
• M30: 46,769,979 km (0.1 R)
• M31: 48,496,937 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761.3

Radius: 4.6

Gravity: 35.98 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 10.89 AU - 16.07 AU

Year: 21606 Days

Day: 17.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 73,893,003 km

• M1: 57,146 km (0.048 R)
• M2: 231,129 km (0.091 R)
• M3: 429,645 km (0.095 R)
• M4: 617,091 km (0.082 R)
• M5: 836,102 km (0.119 R)
• M6: 1,001,707 km (0.088 R)
• M7: 1,306,737 km (0.048 R)
• M8: 1,916,798 km (0.056 R)
• M9: 3,582,121 km (0.054 R)
• M10: 4,500,353 km (0.084 R)
• M11: 6,650,074 km (0.112 R)
• M12: 6,835,875 km (0.104 R)
• M13: 7,072,838 km (0.119 R)
• M14: 7,868,250 km (0.035 R)
• M15: 8,076,041 km (0.03 R)
• M16: 8,234,316 km (0.12 R)
• M17: 8,611,601 km (0.067 R)
• M18: 9,000,406 km (0.102 R)
• M19: 9,170,649 km (0.07 R)
• M20: 9,993,287 km (0.075 R)
• M21: 18,511,241 km (0.047 R)
• M22: 18,786,650 km (0.102 R)
• M23: 20,011,857 km (0.098 R)
• M24: 22,935,149 km (0.103 R)
• M25: 25,333,801 km (0.09 R)
• M26: 29,361,574 km (0.082 R)
• M27: 34,900,435 km (0.051 R)
• M28: 36,602,111 km (0.114 R)
• M29: 37,914,084 km (0.113 R)
• M30: 44,781,823 km (0.063 R)
• M31: 46,281,692 km (0.11 R)
• M32: 49,381,509 km (0.102 R)
• M33: 53,540,031 km (0.118 R)
• M34: 53,725,981 km (0.088 R)
• M35: 55,228,841 km (0.113 R)
• M36: 55,799,557 km (0.093 R)
• M37: 61,520,928 km (0.088 R)
• M38: 65,473,902 km (0.083 R)
• M39: 68,055,961 km (0.071 R)
• M40: 71,152,936 km (0.082 R)
• M41: 81,496,133 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.3

Radius: 3

Gravity: 35.26 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 12.87 AU - 19.27 AU

Year: 28123 Days

Day: 23.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 73,893,003 km

• M1: 37,399 km (0.086 R)
• M2: 158,723 km (0.097 R)
• M3: 281,693 km (0.04 R)
• M4: 520,301 km (0.071 R)
• M5: 628,161 km (0.066 R)
• M6: 959,521 km (0.083 R)
• M7: 1,350,420 km (0.057 R)
• M8: 1,972,149 km (0.073 R)
• M9: 2,813,936 km (0.052 R)
• M10: 4,057,992 km (0.066 R)
• M11: 4,252,020 km (0.098 R)
• M12: 4,589,064 km (0.079 R)
• M13: 4,907,259 km (0.059 R)
• M14: 5,627,274 km (0.119 R)
• M15: 6,328,588 km (0.097 R)
• M16: 6,812,388 km (0.049 R)
• M17: 8,307,619 km (0.112 R)
• M18: 10,602,749 km (0.103 R)
• M19: 11,220,439 km (0.112 R)
• M20: 19,763,375 km (0.096 R)
• M21: 21,953,338 km (0.039 R)
• M22: 22,052,073 km (0.032 R)
• M23: 36,728,372 km (0.095 R)
• M24: 37,427,592 km (0.07 R)
• M25: 42,267,083 km (0.067 R)
• M26: 43,499,919 km (0.079 R)
• M27: 51,230,688 km (0.109 R)
• M28: 62,364,809 km (0.091 R)
• M29: 65,380,104 km (0.096 R)
• M30: 68,280,807 km (0.039 R)
• M31: 69,762,723 km (0.098 R)
• M32: 71,482,500 km (0.07 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 18,252 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit