🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.29 AU - 2.13 AU

Year: 956 Days

Day: 13.7 Hours

Environment

Temp: -92 °C

Axial Tilt: 18.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.82 AU - 2.62 AU

Year: 1414 Days

Day: 29.3 Hours

Environment

Temp: -126 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.7

Radius: 9

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.23 AU - 3.45 AU

Year: 2046 Days

Day: 6.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,389,985 km

• M1: 122,072 km (0.035 R)
• M2: 437,723 km (0.101 R)
• M3: 717,771 km (0.093 R)
• M4: 1,311,525 km (0.081 R)
• M5: 2,313,082 km (0.062 R)
• M6: 2,649,827 km (0.084 R)
• M7: 3,537,690 km (0.074 R)
• M8: 4,023,136 km (0.112 R)
• M9: 4,651,596 km (0.063 R)
• M10: 4,958,272 km (0.05 R)
• M11: 5,521,957 km (0.055 R)
• M12: 6,880,904 km (0.094 R)
• M13: 7,199,098 km (0.111 R)
• M14: 7,526,867 km (0.053 R)
• M15: 7,864,809 km (0.058 R)
• M16: 9,064,733 km (0.112 R)
• M17: 9,941,078 km (0.115 R)
• M18: 10,451,805 km (0.072 R)
• M19: 11,232,257 km (0.106 R)
• M20: 13,475,926 km (0.045 R)
• M21: 14,357,356 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.8

Radius: 8.7

Gravity: 10.1 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.78 AU - 4.88 AU

Year: 3852 Days

Day: 7.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,389,985 km

• M1: 108,159 km (0.072 R)
• M2: 444,156 km (0.083 R)
• M3: 1,138,589 km (0.063 R)
• M4: 1,995,486 km (0.099 R)
• M5: 2,281,068 km (0.104 R)
• M6: 2,626,789 km (0.048 R)
• M7: 3,307,160 km (0.119 R)
• M8: 3,794,400 km (0.078 R)
• M9: 6,916,358 km (0.119 R)
• M10: 7,957,859 km (0.045 R)
• M11: 8,242,843 km (0.025 R)
• M12: 9,294,516 km (0.099 R)
• M13: 10,432,956 km (0.039 R)
• M14: 13,430,448 km (0.107 R)
• M15: 14,457,437 km (0.066 R)
• M16: 15,316,129 km (0.074 R)
• M17: 15,869,791 km (0.103 R)
• M18: 18,218,627 km (0.069 R)
• M19: 18,652,162 km (0.106 R)
• M20: 19,669,278 km (0.057 R)
• M21: 20,257,347 km (0.083 R)
• M22: 21,537,456 km (0.043 R)
• M23: 22,942,180 km (0.073 R)
• M24: 24,332,243 km (0.117 R)
• M25: 24,707,285 km (0.111 R)
• M26: 26,011,180 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513

Radius: 11.9

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4 AU - 4.72 AU

Year: 3892 Days

Day: 6 Hours

Environment

Temp: -164 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,389,985 km

• M1: 174,730 km (0.112 R)
• M2: 710,291 km (0.069 R)
• M3: 1,484,310 km (0.11 R)
• M4: 1,880,595 km (0.055 R)
• M5: 2,681,841 km (0.108 R)
• M6: 3,778,393 km (0.089 R)
• M7: 4,284,184 km (0.06 R)
• M8: 4,835,003 km (0.092 R)
• M9: 5,381,035 km (0.064 R)
• M10: 6,363,295 km (0.12 R)
• M11: 6,958,695 km (0.08 R)
• M12: 7,493,657 km (0.115 R)
• M13: 8,158,021 km (0.109 R)
• M14: 8,933,835 km (0.083 R)
• M15: 10,879,804 km (0.117 R)
• M16: 12,219,902 km (0.093 R)
• M17: 12,628,753 km (0.08 R)
• M18: 14,058,310 km (0.095 R)
• M19: 14,863,596 km (0.077 R)
• M20: 15,540,227 km (0.084 R)
• M21: 16,183,049 km (0.116 R)
• M22: 17,694,137 km (0.118 R)
• M23: 18,812,531 km (0.048 R)
• M24: 20,040,131 km (0.094 R)
• M25: 22,114,156 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.6

Radius: 10.9

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.69 AU - 7.41 AU

Year: 6362 Days

Day: 6 Hours

Environment

Temp: -180 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 77,389,985 km

• M1: 135,536 km (0.101 R)
• M2: 771,626 km (0.087 R)
• M3: 1,416,093 km (0.109 R)
• M4: 1,808,489 km (0.07 R)
• M5: 2,428,422 km (0.076 R)
• M6: 3,121,808 km (0.095 R)
• M7: 3,869,050 km (0.104 R)
• M8: 4,298,545 km (0.108 R)
• M9: 5,104,878 km (0.115 R)
• M10: 5,845,986 km (0.082 R)
• M11: 6,379,003 km (0.091 R)
• M12: 6,799,822 km (0.113 R)
• M13: 9,772,331 km (0.032 R)
• M14: 10,237,880 km (0.111 R)
• M15: 11,620,314 km (0.108 R)
• M16: 14,097,355 km (0.11 R)
• M17: 14,813,181 km (0.091 R)
• M18: 16,973,374 km (0.051 R)
• M19: 17,715,230 km (0.095 R)
• M20: 19,408,529 km (0.119 R)
• M21: 20,144,999 km (0.049 R)
• M22: 22,386,274 km (0.088 R)
• M23: 27,358,907 km (0.078 R)
• M24: 28,191,270 km (0.073 R)
• M25: 29,423,208 km (0.106 R)
• M26: 30,199,023 km (0.048 R)
• M27: 34,926,914 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.1

Radius: 7.7

Gravity: 11.27 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 9.14 AU - 12.32 AU

Year: 15025 Days

Day: 25 Hours

Environment

Temp: -192 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 77,389,985 km

• M1: 96,191 km (0.107 R)
• M2: 391,049 km (0.082 R)
• M3: 978,220 km (0.1 R)
• M4: 1,307,785 km (0.076 R)
• M5: 2,521,472 km (0.082 R)
• M6: 2,788,205 km (0.078 R)
• M7: 3,379,266 km (0.077 R)
• M8: 3,704,642 km (0.105 R)
• M9: 4,110,650 km (0.111 R)
• M10: 4,450,088 km (0.062 R)
• M11: 5,011,678 km (0.094 R)
• M12: 5,769,541 km (0.036 R)
• M13: 6,356,114 km (0.119 R)
• M14: 6,726,668 km (0.069 R)
• M15: 8,306,571 km (0.08 R)
• M16: 10,064,346 km (0.071 R)
• M17: 10,913,464 km (0.106 R)
• M18: 12,244,137 km (0.119 R)
• M19: 15,516,890 km (0.063 R)
• M20: 17,592,560 km (0.091 R)
• M21: 18,241,516 km (0.03 R)
• M22: 19,075,075 km (0.074 R)
• M23: 20,108,497 km (0.075 R)
• M24: 20,997,856 km (0.037 R)
• M25: 23,046,300 km (0.061 R)
• M26: 24,317,433 km (0.088 R)
• M27: 28,521,283 km (0.11 R)
• M28: 30,910,959 km (0.092 R)
• M29: 31,380,846 km (0.049 R)
• M30: 34,930,804 km (0.12 R)
• M31: 44,435,205 km (0.118 R)
• M32: 46,246,686 km (0.055 R)
• M33: 53,310,697 km (0.087 R)
• M34: 59,418,479 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 492.6

Radius: 6.7

Gravity: 10.97 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 11.41 AU - 18.07 AU

Year: 24192 Days

Day: 21.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,389,985 km

• M1: 121,473 km (0.085 R)
• M2: 436,975 km (0.046 R)
• M3: 917,783 km (0.101 R)
• M4: 1,726,359 km (0.12 R)
• M5: 2,545,857 km (0.092 R)
• M6: 4,030,915 km (0.113 R)
• M7: 8,109,551 km (0.099 R)
• M8: 8,526,331 km (0.05 R)
• M9: 8,848,415 km (0.063 R)
• M10: 16,285,673 km (0.065 R)
• M11: 17,033,363 km (0.094 R)
• M12: 18,957,042 km (0.05 R)
• M13: 21,118,283 km (0.096 R)
• M14: 22,817,565 km (0.026 R)
• M15: 23,438,546 km (0.059 R)
• M16: 26,941,829 km (0.072 R)
• M17: 32,178,053 km (0.111 R)
• M18: 41,625,458 km (0.08 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 14,449 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit