🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.45 AU - 0.61 AU

Year: 253 Days

Day: 16.7 Hours

Environment

Temp: -121 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.1

Radius: 10.8

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.67 AU - 1.11 AU

Year: 551 Days

Day: 7.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,900,495 km

• M1: 134,339 km (0.11 R)
• M2: 501,452 km (0.056 R)
• M3: 903,122 km (0.114 R)
• M4: 1,354,160 km (0.109 R)
• M5: 1,961,378 km (0.091 R)
• M6: 2,769,655 km (0.049 R)
• M7: 3,210,221 km (0.099 R)
• M8: 3,609,049 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610

Radius: 12.7

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.01 AU - 1.21 AU

Year: 767 Days

Day: 7.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,900,495 km

• M1: 157,975 km (0.081 R)
• M2: 575,054 km (0.056 R)
• M3: 1,000,511 km (0.111 R)
• M4: 1,429,856 km (0.094 R)
• M5: 1,957,787 km (0.075 R)
• M6: 3,143,650 km (0.091 R)
• M7: 3,786,173 km (0.084 R)
• M8: 4,515,013 km (0.09 R)
• M9: 5,227,548 km (0.06 R)
• M10: 5,838,954 km (0.095 R)
• M11: 6,456,345 km (0.1 R)
• M12: 7,384,600 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.9

Radius: 11.4

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.27 AU - 1.29 AU

Year: 950 Days

Day: 11.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,900,495 km

• M1: 146,756 km (0.12 R)
• M2: 540,796 km (0.08 R)
• M3: 942,766 km (0.112 R)
• M4: 3,074,685 km (0.045 R)
• M5: 4,135,035 km (0.06 R)
• M6: 4,523,840 km (0.115 R)
• M7: 5,671,255 km (0.084 R)

Asteroid Belt

Center: 1.69 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.3

Radius: 10.9

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.85 AU - 2.35 AU

Year: 1996 Days

Day: 8.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,900,495 km

• M1: 135,536 km (0.114 R)
• M2: 600,635 km (0.109 R)
• M3: 1,130,362 km (0.057 R)
• M4: 1,494,184 km (0.114 R)
• M5: 1,905,278 km (0.033 R)
• M6: 2,831,289 km (0.109 R)
• M7: 3,667,541 km (0.118 R)
• M8: 4,180,662 km (0.106 R)
• M9: 5,439,379 km (0.036 R)
• M10: 5,895,054 km (0.096 R)
• M11: 6,651,720 km (0.102 R)
• M12: 8,935,331 km (0.079 R)
• M13: 9,701,871 km (0.091 R)
• M14: 10,442,679 km (0.074 R)
• M15: 11,549,853 km (0.051 R)
• M16: 12,733,771 km (0.066 R)
• M17: 13,663,073 km (0.095 R)
• M18: 14,165,572 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214

Radius: 10

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.07 AU - 5.23 AU

Year: 7667 Days

Day: 5.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,900,495 km

• M1: 126,410 km (0.073 R)
• M2: 688,449 km (0.081 R)
• M3: 1,317,359 km (0.031 R)
• M4: 1,672,055 km (0.064 R)
• M5: 2,090,929 km (0.048 R)
• M6: 3,743,088 km (0.092 R)
• M7: 4,418,672 km (0.113 R)
• M8: 4,735,670 km (0.108 R)
• M9: 5,146,915 km (0.119 R)
• M10: 8,028,319 km (0.073 R)
• M11: 9,506,795 km (0.119 R)
• M12: 10,502,369 km (0.086 R)
• M13: 13,344,130 km (0.052 R)
• M14: 13,700,023 km (0.107 R)
• M15: 14,166,918 km (0.065 R)
• M16: 16,956,919 km (0.092 R)
• M17: 24,269,263 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.8

Radius: 5.4

Gravity: 10.66 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 6.31 AU - 7.63 AU

Year: 12071 Days

Day: 15.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,900,495 km

• M1: 67,917 km (0.113 R)
• M2: 554,859 km (0.098 R)
• M3: 2,502,324 km (0.119 R)
• M4: 2,857,170 km (0.066 R)
• M5: 5,154,395 km (0.099 R)
• M6: 7,467,327 km (0.107 R)
• M7: 7,951,576 km (0.101 R)
• M8: 8,629,553 km (0.106 R)
• M9: 9,483,607 km (0.108 R)
• M10: 19,851,488 km (0.117 R)
• M11: 24,425,892 km (0.118 R)
• M12: 24,777,297 km (0.082 R)
• M13: 32,956,261 km (0.083 R)
• M14: 36,378,911 km (0.07 R)
• M15: 36,952,170 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.2

Radius: 3.7

Gravity: 43.18 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.21 AU - 9.39 AU

Year: 14291 Days

Day: 21.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 57,900,495 km

• M1: 46,076 km (0.112 R)
• M2: 185,202 km (0.058 R)
• M3: 442,810 km (0.066 R)
• M4: 705,055 km (0.035 R)
• M5: 1,561,652 km (0.058 R)
• M6: 1,906,475 km (0.08 R)
• M7: 2,125,187 km (0.066 R)
• M8: 2,590,886 km (0.103 R)
• M9: 2,905,789 km (0.062 R)
• M10: 3,121,360 km (0.117 R)
• M11: 3,477,851 km (0.088 R)
• M12: 3,720,948 km (0.065 R)
• M13: 3,946,541 km (0.085 R)
• M14: 4,062,629 km (0.051 R)
• M15: 5,640,737 km (0.064 R)
• M16: 5,976,285 km (0.069 R)
• M17: 6,404,285 km (0.105 R)
• M18: 6,852,480 km (0.052 R)
• M19: 12,232,767 km (0.06 R)
• M20: 16,830,658 km (0.093 R)
• M21: 18,237,327 km (0.07 R)
• M22: 19,051,738 km (0.048 R)
• M23: 21,016,406 km (0.106 R)
• M24: 21,371,253 km (0.089 R)
• M25: 22,001,957 km (0.092 R)
• M26: 23,968,421 km (0.053 R)
• M27: 24,161,702 km (0.111 R)
• M28: 24,944,847 km (0.073 R)
• M29: 25,845,875 km (0.092 R)
• M30: 31,945,129 km (0.095 R)
• M31: 32,532,151 km (0.114 R)
• M32: 38,012,071 km (0.081 R)
• M33: 48,715,051 km (0.072 R)
• M34: 48,869,884 km (0.071 R)
• M35: 50,436,324 km (0.067 R)
• M36: 52,197,689 km (0.119 R)
• M37: 54,832,257 km (0.058 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 16,147 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit