🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.83 AU - 1.21 AU

Year: 437 Days

Day: 47 Hours

Environment

Temp: -57 °C

Axial Tilt: 44.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.44 AU - 1.76 AU

Year: 859 Days

Day: 14.7 Hours

Environment

Temp: -88 °C

Axial Tilt: 46.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687

Radius: 13.8

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.64 AU - 3.74 AU

Year: 3010 Days

Day: 13.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,545,776 km

• M1: 171,888 km (0.059 R)
• M2: 846,126 km (0.079 R)
• M3: 1,410,558 km (0.119 R)
• M4: 2,390,873 km (0.081 R)
• M5: 2,892,026 km (0.117 R)
• M6: 3,612,938 km (0.112 R)
• M7: 4,742,851 km (0.058 R)
• M8: 5,593,315 km (0.115 R)
• M9: 6,687,474 km (0.117 R)
• M10: 7,409,732 km (0.108 R)
• M11: 8,419,069 km (0.102 R)
• M12: 9,407,761 km (0.076 R)
• M13: 10,591,230 km (0.047 R)
• M14: 12,305,921 km (0.047 R)
• M15: 12,796,003 km (0.07 R)
• M16: 13,252,875 km (0.029 R)
• M17: 14,838,314 km (0.064 R)
• M18: 15,963,439 km (0.078 R)
• M19: 17,254,768 km (0.114 R)
• M20: 17,869,466 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404

Radius: 13.4

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.32 AU - 5.3 AU

Year: 3799 Days

Day: 14.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,545,776 km

• M1: 220,507 km (0.037 R)
• M2: 1,192,295 km (0.108 R)
• M3: 1,694,495 km (0.098 R)
• M4: 2,990,910 km (0.066 R)
• M5: 4,269,374 km (0.102 R)
• M6: 4,707,845 km (0.088 R)
• M7: 5,702,072 km (0.105 R)
• M8: 6,657,704 km (0.114 R)
• M9: 10,093,817 km (0.099 R)
• M10: 11,407,885 km (0.086 R)
• M11: 14,180,831 km (0.117 R)
• M12: 15,013,642 km (0.086 R)
• M13: 18,790,540 km (0.086 R)
• M14: 20,960,606 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.2

Radius: 13.5

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 6.53 AU - 7.43 AU

Year: 7830 Days

Day: 7.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 140.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 74,545,776 km

• M1: 167,998 km (0.072 R)
• M2: 954,734 km (0.097 R)
• M3: 1,425,219 km (0.112 R)
• M4: 1,873,115 km (0.117 R)
• M5: 2,541,069 km (0.117 R)
• M6: 3,233,259 km (0.093 R)
• M7: 3,754,458 km (0.103 R)
• M8: 4,358,085 km (0.093 R)
• M9: 4,881,229 km (0.066 R)
• M10: 5,354,257 km (0.084 R)
• M11: 6,427,473 km (0.089 R)
• M12: 7,408,535 km (0.119 R)
• M13: 8,783,041 km (0.1 R)
• M14: 9,396,093 km (0.065 R)
• M15: 14,220,624 km (0.051 R)
• M16: 18,296,867 km (0.104 R)
• M17: 19,444,582 km (0.091 R)
• M18: 20,036,092 km (0.101 R)
• M19: 22,442,673 km (0.055 R)
• M20: 23,673,863 km (0.113 R)
• M21: 25,297,299 km (0.038 R)
• M22: 26,721,172 km (0.094 R)
• M23: 28,197,703 km (0.065 R)
• M24: 30,315,859 km (0.103 R)
• M25: 31,717,890 km (0.108 R)
• M26: 36,405,839 km (0.062 R)
• M27: 39,031,431 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 394.4

Radius: 4.9

Gravity: 16.43 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 13.55 AU - 17.17 AU

Year: 25560 Days

Day: 20.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,545,776 km

• M1: 61,036 km (0.09 R)
• M2: 317,447 km (0.045 R)
• M3: 1,210,845 km (0.101 R)
• M4: 2,052,034 km (0.032 R)
• M5: 2,911,623 km (0.104 R)
• M6: 3,803,376 km (0.12 R)
• M7: 4,245,588 km (0.054 R)
• M8: 4,479,259 km (0.052 R)
• M9: 5,008,986 km (0.068 R)
• M10: 5,658,539 km (0.115 R)
• M11: 6,758,233 km (0.092 R)
• M12: 7,216,900 km (0.117 R)
• M13: 7,501,735 km (0.111 R)
• M14: 8,247,031 km (0.072 R)
• M15: 10,655,408 km (0.111 R)
• M16: 10,839,114 km (0.1 R)
• M17: 13,002,000 km (0.108 R)
• M18: 13,424,015 km (0.119 R)
• M19: 13,638,389 km (0.115 R)
• M20: 14,221,222 km (0.096 R)
• M21: 14,972,952 km (0.113 R)
• M22: 17,302,340 km (0.114 R)
• M23: 17,985,105 km (0.09 R)
• M24: 18,953,003 km (0.102 R)
• M25: 21,670,299 km (0.07 R)
• M26: 23,275,334 km (0.085 R)
• M27: 24,212,116 km (0.097 R)
• M28: 35,680,439 km (0.076 R)
• M29: 42,190,190 km (0.111 R)
• M30: 51,690,403 km (0.12 R)
• M31: 58,440,408 km (0.09 R)
• M32: 61,532,746 km (0.11 R)
• M33: 63,519,854 km (0.08 R)
• M34: 71,460,958 km (0.051 R)
• M35: 73,434,154 km (0.116 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 17,131 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit