🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.48 AU - 1.6 AU

Year: 678 Days

Day: 17.8 Hours

Environment

Temp: -17 °C

Axial Tilt: 8.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.54 AU - 2.16 AU

Year: 893 Days

Day: 45.2 Hours

Environment

Temp: -57 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.5 AU - 3.14 AU

Year: 1680 Days

Day: 34.1 Hours

Environment

Temp: -88 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.1

Radius: 13.5

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.66 AU - 9.66 AU

Year: 9041 Days

Day: 11.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 99,009,672 km

• M1: 170,542 km (0.098 R)
• M2: 684,261 km (0.085 R)
• M3: 1,116,898 km (0.071 R)
• M4: 1,821,354 km (0.118 R)
• M5: 2,373,520 km (0.116 R)
• M6: 3,531,108 km (0.106 R)
• M7: 4,323,977 km (0.12 R)
• M8: 4,843,979 km (0.065 R)
• M9: 6,200,832 km (0.11 R)
• M10: 6,627,036 km (0.102 R)
• M11: 8,217,261 km (0.059 R)
• M12: 8,773,018 km (0.106 R)
• M13: 9,481,663 km (0.098 R)
• M14: 11,591,890 km (0.111 R)
• M15: 13,449,447 km (0.047 R)
• M16: 14,166,769 km (0.109 R)
• M17: 14,620,798 km (0.027 R)
• M18: 15,260,778 km (0.098 R)
• M19: 17,102,029 km (0.094 R)
• M20: 17,617,094 km (0.113 R)
• M21: 18,142,482 km (0.112 R)
• M22: 18,950,161 km (0.034 R)
• M23: 20,855,290 km (0.114 R)
• M24: 24,228,722 km (0.109 R)
• M25: 32,427,433 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.4

Radius: 11

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.4 AU - 9.98 AU

Year: 9883 Days

Day: 6.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 99,009,672 km

• M1: 136,882 km (0.063 R)
• M2: 613,501 km (0.09 R)
• M3: 1,203,515 km (0.102 R)
• M4: 1,688,810 km (0.106 R)
• M5: 2,099,008 km (0.109 R)
• M6: 2,933,315 km (0.078 R)
• M7: 4,291,664 km (0.082 R)
• M8: 6,558,371 km (0.051 R)
• M9: 6,926,681 km (0.118 R)
• M10: 8,670,842 km (0.108 R)
• M11: 10,391,517 km (0.112 R)
• M12: 10,741,127 km (0.09 R)
• M13: 11,623,007 km (0.101 R)
• M14: 14,373,663 km (0.107 R)
• M15: 15,060,466 km (0.102 R)
• M16: 15,508,811 km (0.083 R)
• M17: 15,900,159 km (0.104 R)
• M18: 20,262,284 km (0.053 R)
• M19: 21,445,752 km (0.11 R)
• M20: 22,674,848 km (0.082 R)
• M21: 24,915,675 km (0.1 R)
• M22: 25,998,016 km (0.072 R)
• M23: 27,775,537 km (0.053 R)
• M24: 28,939,110 km (0.115 R)
• M25: 30,642,880 km (0.051 R)
• M26: 35,473,844 km (0.083 R)
• M27: 36,843,113 km (0.093 R)
• M28: 37,540,838 km (0.114 R)
• M29: 38,603,731 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.4

Radius: 13

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 7.47 AU - 11.39 AU

Year: 10273 Days

Day: 10 Hours

Environment

Temp: -172 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 99,009,672 km

• M1: 167,849 km (0.081 R)
• M2: 817,104 km (0.109 R)
• M3: 1,921,884 km (0.088 R)
• M4: 2,499,182 km (0.072 R)
• M5: 4,474,173 km (0.089 R)
• M6: 5,222,312 km (0.051 R)
• M7: 6,565,103 km (0.088 R)
• M8: 7,274,944 km (0.035 R)
• M9: 7,707,432 km (0.093 R)
• M10: 8,156,973 km (0.054 R)
• M11: 14,739,280 km (0.069 R)
• M12: 16,102,116 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.1

Radius: 5.7

Gravity: 20.41 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 18.16 AU - 20.52 AU

Year: 30173 Days

Day: 20.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 99,009,672 km

• M1: 81,232 km (0.075 R)
• M2: 298,448 km (0.079 R)
• M3: 556,953 km (0.06 R)
• M4: 1,124,378 km (0.083 R)
• M5: 1,371,364 km (0.117 R)
• M6: 3,724,239 km (0.097 R)
• M7: 4,169,143 km (0.053 R)
• M8: 5,457,181 km (0.104 R)
• M9: 8,730,831 km (0.112 R)
• M10: 9,207,450 km (0.056 R)
• M11: 9,576,059 km (0.091 R)
• M12: 9,764,103 km (0.107 R)
• M13: 10,018,719 km (0.059 R)
• M14: 11,358,218 km (0.076 R)
• M15: 12,290,363 km (0.09 R)
• M16: 12,737,361 km (0.085 R)
• M17: 13,902,429 km (0.096 R)
• M18: 17,168,300 km (0.084 R)
• M19: 27,493,545 km (0.11 R)
• M20: 28,905,001 km (0.115 R)
• M21: 32,151,126 km (0.118 R)
• M22: 33,428,392 km (0.117 R)
• M23: 34,445,059 km (0.118 R)
• M24: 35,932,960 km (0.11 R)
• M25: 38,559,749 km (0.113 R)
• M26: 40,981,439 km (0.08 R)
• M27: 43,502,612 km (0.097 R)
• M28: 47,384,527 km (0.107 R)
• M29: 49,409,334 km (0.099 R)
• M30: 52,650,971 km (0.063 R)
• M31: 54,026,074 km (0.104 R)
• M32: 58,294,401 km (0.061 R)
• M33: 59,132,149 km (0.101 R)
• M34: 59,342,783 km (0.086 R)
• M35: 60,617,506 km (0.063 R)
• M36: 62,345,212 km (0.096 R)
• M37: 64,550,733 km (0.113 R)
• M38: 64,774,083 km (0.089 R)
• M39: 65,898,610 km (0.051 R)
• M40: 69,819,720 km (0.104 R)
• M41: 73,893,270 km (0.105 R)
• M42: 74,874,333 km (0.041 R)
• M43: 75,615,740 km (0.115 R)

Kuiper Belt

Range: 30.9 - 54.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 14,937 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit