🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.53 AU - 0.81 AU

Year: 349 Days

Day: 13.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.9

Radius: 13

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.98 AU - 1.42 AU

Year: 836 Days

Day: 5.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,361,974 km

• M1: 164,109 km (0.076 R)
• M2: 582,534 km (0.116 R)
• M3: 1,032,225 km (0.118 R)
• M4: 1,438,234 km (0.12 R)
• M5: 2,264,613 km (0.081 R)
• M6: 2,882,302 km (0.112 R)
• M7: 3,487,575 km (0.035 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.6

Radius: 8

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.76 AU - 2.48 AU

Year: 1963 Days

Day: 12.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,361,974 km

• M1: 105,616 km (0.09 R)
• M2: 800,349 km (0.099 R)
• M3: 1,385,575 km (0.099 R)
• M4: 2,908,183 km (0.041 R)
• M5: 3,182,545 km (0.119 R)
• M6: 3,651,385 km (0.118 R)
• M7: 4,402,665 km (0.112 R)
• M8: 6,208,910 km (0.097 R)
• M9: 8,606,366 km (0.112 R)
• M10: 9,929,409 km (0.097 R)
• M11: 10,488,157 km (0.049 R)
• M12: 12,553,206 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.6

Radius: 9.5

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.1 AU - 3.96 AU

Year: 4217 Days

Day: 10.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,361,974 km

• M1: 120,875 km (0.106 R)
• M2: 472,430 km (0.111 R)
• M3: 985,551 km (0.074 R)
• M4: 1,293,872 km (0.071 R)
• M5: 4,377,533 km (0.11 R)
• M6: 4,881,229 km (0.079 R)
• M7: 5,686,514 km (0.113 R)
• M8: 7,108,741 km (0.087 R)
• M9: 9,650,559 km (0.046 R)
• M10: 10,606,489 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.6

Radius: 10.7

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.08 AU - 4.54 AU

Year: 4728 Days

Day: 13.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,361,974 km

• M1: 133,142 km (0.1 R)
• M2: 679,025 km (0.028 R)
• M3: 2,232,299 km (0.11 R)
• M4: 2,952,613 km (0.073 R)
• M5: 4,365,715 km (0.055 R)
• M6: 5,034,716 km (0.101 R)
• M7: 6,892,423 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28

Radius: 11.1

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.71 AU - 5.21 AU

Year: 5989 Days

Day: 7.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,361,974 km

• M1: 138,079 km (0.106 R)
• M2: 730,038 km (0.101 R)
• M3: 1,485,357 km (0.116 R)
• M4: 2,035,429 km (0.062 R)
• M5: 3,036,837 km (0.099 R)
• M6: 3,455,860 km (0.114 R)
• M7: 6,253,640 km (0.04 R)
• M8: 6,839,016 km (0.061 R)
• M9: 7,358,719 km (0.104 R)
• M10: 7,772,208 km (0.108 R)
• M11: 8,393,787 km (0.09 R)
• M12: 9,614,356 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.9

Radius: 3.4

Gravity: 53.62 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.2 AU - 9.06 AU

Year: 13400 Days

Day: 23.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 84,361,974 km

• M1: 42,935 km (0.089 R)
• M2: 184,005 km (0.094 R)
• M3: 314,156 km (0.112 R)
• M4: 791,971 km (0.056 R)
• M5: 965,056 km (0.058 R)
• M6: 1,291,778 km (0.104 R)
• M7: 1,473,240 km (0.102 R)
• M8: 2,848,643 km (0.107 R)
• M9: 3,035,640 km (0.04 R)
• M10: 3,306,113 km (0.116 R)
• M11: 3,810,856 km (0.102 R)
• M12: 5,139,584 km (0.112 R)
• M13: 5,740,669 km (0.102 R)
• M14: 6,707,969 km (0.096 R)
• M15: 8,284,281 km (0.112 R)
• M16: 8,425,801 km (0.071 R)
• M17: 11,548,806 km (0.061 R)
• M18: 14,804,056 km (0.117 R)
• M19: 15,364,599 km (0.094 R)
• M20: 15,578,374 km (0.066 R)
• M21: 16,011,909 km (0.078 R)
• M22: 17,054,606 km (0.09 R)
• M23: 17,826,681 km (0.099 R)
• M24: 19,192,060 km (0.076 R)
• M25: 20,453,320 km (0.076 R)
• M26: 22,401,683 km (0.116 R)
• M27: 24,567,112 km (0.087 R)
• M28: 27,595,721 km (0.082 R)
• M29: 28,443,492 km (0.066 R)
• M30: 30,751,189 km (0.064 R)
• M31: 32,008,260 km (0.09 R)
• M32: 32,708,228 km (0.03 R)
• M33: 34,624,577 km (0.102 R)
• M34: 34,746,798 km (0.102 R)
• M35: 36,110,084 km (0.118 R)
• M36: 37,896,133 km (0.118 R)
• M37: 40,820,322 km (0.117 R)
• M38: 42,197,969 km (0.073 R)
• M39: 42,898,087 km (0.047 R)
• M40: 44,465,873 km (0.12 R)
• M41: 44,610,235 km (0.115 R)
• M42: 46,515,962 km (0.104 R)
• M43: 56,185,071 km (0.113 R)
• M44: 56,353,817 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 946.3

Radius: 7.8

Gravity: 15.55 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 9.74 AU - 10.1 AU

Year: 19866 Days

Day: 17.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 84,361,974 km

• M1: 99,782 km (0.115 R)
• M2: 343,477 km (0.09 R)
• M3: 639,232 km (0.098 R)
• M4: 1,135,747 km (0.067 R)
• M5: 1,445,564 km (0.114 R)
• M6: 2,559,021 km (0.106 R)
• M7: 4,094,344 km (0.11 R)
• M8: 5,530,484 km (0.096 R)
• M9: 5,820,105 km (0.069 R)
• M10: 6,429,567 km (0.108 R)
• M11: 7,724,636 km (0.05 R)
• M12: 8,192,428 km (0.113 R)
• M13: 9,415,989 km (0.112 R)
• M14: 9,710,248 km (0.098 R)
• M15: 14,580,407 km (0.069 R)
• M16: 16,708,736 km (0.114 R)
• M17: 17,227,840 km (0.118 R)
• M18: 19,317,723 km (0.081 R)
• M19: 19,985,976 km (0.102 R)
• M20: 20,967,189 km (0.093 R)
• M21: 23,131,571 km (0.081 R)
• M22: 26,359,444 km (0.092 R)
• M23: 26,944,820 km (0.117 R)
• M24: 27,538,724 km (0.074 R)
• M25: 28,752,860 km (0.104 R)
• M26: 34,660,181 km (0.11 R)
• M27: 41,328,207 km (0.057 R)
• M28: 42,277,256 km (0.099 R)
• M29: 47,241,212 km (0.106 R)
• M30: 49,331,095 km (0.113 R)
• M31: 56,161,733 km (0.06 R)
• M32: 61,731,113 km (0.114 R)
• M33: 65,073,279 km (0.111 R)
• M34: 78,680,402 km (0.103 R)
• M35: 82,107,240 km (0.084 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 16,068 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit