🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.6 AU - 0.6 AU

Year: 300 Days

Day: 21.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.9

Radius: 11.9

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.17 AU - 1.34 AU

Year: 902 Days

Day: 12.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 94,449,103 km

• M1: 148,401 km (0.055 R)
• M2: 547,678 km (0.094 R)
• M3: 1,014,872 km (0.106 R)
• M4: 1,438,683 km (0.108 R)
• M5: 2,352,127 km (0.075 R)
• M6: 2,905,789 km (0.039 R)
• M7: 3,387,494 km (0.089 R)
• M8: 4,461,457 km (0.035 R)
• M9: 5,086,926 km (0.071 R)
• M10: 5,709,253 km (0.119 R)
• M11: 7,464,784 km (0.111 R)
• M12: 8,269,621 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.4

Radius: 14.4

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.31 AU - 1.79 AU

Year: 1246 Days

Day: 12.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 94,449,103 km

• M1: 179,069 km (0.085 R)
• M2: 632,350 km (0.053 R)
• M3: 1,157,439 km (0.109 R)
• M4: 1,659,340 km (0.066 R)
• M5: 2,146,281 km (0.036 R)
• M6: 2,898,010 km (0.112 R)
• M7: 4,126,508 km (0.063 R)
• M8: 4,824,681 km (0.091 R)
• M9: 5,276,766 km (0.12 R)
• M10: 7,077,625 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.2

Radius: 14.2

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.64 AU - 3.62 AU

Year: 3575 Days

Day: 9.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 94,449,103 km

• M1: 176,525 km (0.067 R)
• M2: 785,538 km (0.074 R)
• M3: 1,319,004 km (0.086 R)
• M4: 2,050,538 km (0.084 R)
• M5: 3,042,222 km (0.099 R)
• M6: 4,293,758 km (0.114 R)
• M7: 5,599,149 km (0.118 R)
• M8: 6,687,474 km (0.089 R)
• M9: 7,673,772 km (0.103 R)
• M10: 10,879,356 km (0.109 R)
• M11: 11,411,924 km (0.113 R)
• M12: 12,001,788 km (0.083 R)
• M13: 14,796,576 km (0.111 R)
• M14: 15,498,639 km (0.083 R)
• M15: 16,668,045 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.8

Radius: 12.6

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 4.51 AU - 5.45 AU

Year: 7176 Days

Day: 6 Hours

Environment

Temp: -213 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 94,449,103 km

• M1: 158,424 km (0.119 R)
• M2: 577,597 km (0.09 R)
• M3: 1,044,343 km (0.083 R)
• M4: 1,886,579 km (0.047 R)
• M5: 2,849,540 km (0.096 R)
• M6: 3,987,681 km (0.053 R)
• M7: 4,576,049 km (0.106 R)
• M8: 5,729,150 km (0.082 R)
• M9: 6,444,676 km (0.1 R)
• M10: 6,917,106 km (0.082 R)
• M11: 7,649,089 km (0.108 R)
• M12: 8,603,523 km (0.095 R)
• M13: 9,222,410 km (0.117 R)
• M14: 10,900,299 km (0.03 R)
• M15: 13,057,650 km (0.117 R)
• M16: 15,744,278 km (0.094 R)
• M17: 18,926,823 km (0.114 R)
• M18: 31,214,045 km (0.087 R)
• M19: 33,639,924 km (0.047 R)

Asteroid Belt

Center: 7.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 9.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.2

Radius: 8

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.07 AU - 11.33 AU

Year: 18018 Days

Day: 17.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 94,449,103 km

• M1: 99,483 km (0.084 R)
• M2: 395,537 km (0.043 R)
• M3: 762,201 km (0.118 R)
• M4: 1,749,098 km (0.074 R)
• M5: 3,393,628 km (0.1 R)
• M6: 3,910,339 km (0.049 R)
• M7: 4,505,589 km (0.072 R)
• M8: 5,588,079 km (0.106 R)
• M9: 6,907,083 km (0.064 R)
• M10: 7,201,492 km (0.119 R)
• M11: 8,094,591 km (0.027 R)
• M12: 8,715,722 km (0.09 R)
• M13: 12,147,347 km (0.107 R)
• M14: 12,414,678 km (0.105 R)
• M15: 15,308,500 km (0.095 R)
• M16: 17,245,194 km (0.049 R)
• M17: 18,765,258 km (0.099 R)
• M18: 20,674,575 km (0.099 R)
• M19: 23,859,215 km (0.035 R)
• M20: 29,227,235 km (0.09 R)
• M21: 29,998,861 km (0.098 R)
• M22: 34,273,770 km (0.108 R)
• M23: 36,113,824 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945.1

Radius: 4.9

Gravity: 39.36 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 8.77 AU - 11.75 AU

Year: 21220 Days

Day: 15.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 94,449,103 km

• M1: 61,335 km (0.045 R)
• M2: 456,423 km (0.118 R)
• M3: 973,134 km (0.107 R)
• M4: 3,196,607 km (0.05 R)
• M5: 3,552,501 km (0.109 R)
• M6: 5,867,228 km (0.052 R)
• M7: 7,110,836 km (0.106 R)
• M8: 9,261,455 km (0.089 R)
• M9: 10,547,847 km (0.089 R)
• M10: 12,730,031 km (0.081 R)
• M11: 13,022,495 km (0.044 R)
• M12: 13,244,647 km (0.073 R)
• M13: 17,689,649 km (0.112 R)
• M14: 19,080,760 km (0.088 R)
• M15: 19,463,730 km (0.096 R)
• M16: 23,689,272 km (0.107 R)
• M17: 32,112,380 km (0.101 R)
• M18: 36,471,063 km (0.042 R)
• M19: 39,792,884 km (0.089 R)
• M20: 41,049,057 km (0.055 R)
• M21: 42,169,695 km (0.095 R)
• M22: 57,646,343 km (0.055 R)
• M23: 61,096,518 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.2

Radius: 5.2

Gravity: 32.22 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 9.37 AU - 13.23 AU

Year: 24526 Days

Day: 21.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 94,449,103 km

• M1: 64,626 km (0.103 R)
• M2: 512,223 km (0.112 R)
• M3: 1,029,084 km (0.106 R)
• M4: 2,587,594 km (0.073 R)
• M5: 3,873,388 km (0.059 R)
• M6: 5,450,898 km (0.094 R)
• M7: 6,334,572 km (0.05 R)
• M8: 6,569,740 km (0.114 R)
• M9: 7,057,429 km (0.077 R)
• M10: 8,050,011 km (0.094 R)
• M11: 10,372,967 km (0.081 R)
• M12: 10,832,382 km (0.113 R)
• M13: 12,956,672 km (0.052 R)
• M14: 16,729,081 km (0.07 R)
• M15: 17,821,445 km (0.085 R)
• M16: 22,559,060 km (0.115 R)
• M17: 26,104,828 km (0.055 R)
• M18: 27,447,320 km (0.119 R)
• M19: 30,269,035 km (0.081 R)
• M20: 33,137,275 km (0.097 R)
• M21: 33,988,786 km (0.12 R)
• M22: 41,825,171 km (0.046 R)
• M23: 42,486,244 km (0.037 R)
• M24: 43,829,334 km (0.068 R)
• M25: 46,423,361 km (0.055 R)
• M26: 51,159,031 km (0.106 R)
• M27: 59,264,692 km (0.097 R)
• M28: 62,646,652 km (0.08 R)
• M29: 76,967,207 km (0.104 R)
• M30: 77,710,708 km (0.073 R)
• M31: 91,923,553 km (0.11 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: 537 - 12,288 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit