🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.52 AU - 0.78 AU

Year: 344 Days

Day: 44.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.4

Radius: 10

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.84 AU - 0.98 AU

Year: 569 Days

Day: 7.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,513,549 km

• M1: 124,316 km (0.044 R)
• M2: 436,975 km (0.062 R)
• M3: 777,610 km (0.101 R)
• M4: 1,278,015 km (0.072 R)
• M5: 1,710,502 km (0.063 R)
• M6: 3,203,190 km (0.068 R)
• M7: 3,516,597 km (0.093 R)
• M8: 3,951,777 km (0.102 R)
• M9: 4,631,251 km (0.067 R)
• M10: 5,737,378 km (0.087 R)
• M11: 6,755,092 km (0.105 R)
• M12: 7,429,928 km (0.086 R)
• M13: 7,749,170 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.5

Radius: 11

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.09 AU - 1.51 AU

Year: 972 Days

Day: 14.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,513,549 km

• M1: 138,528 km (0.063 R)
• M2: 847,322 km (0.091 R)
• M3: 1,353,711 km (0.082 R)
• M4: 2,565,155 km (0.11 R)
• M5: 3,723,042 km (0.066 R)
• M6: 4,701,113 km (0.105 R)
• M7: 5,381,783 km (0.089 R)
• M8: 6,629,729 km (0.12 R)
• M9: 7,486,177 km (0.102 R)
• M10: 8,525,732 km (0.117 R)
• M11: 9,538,360 km (0.12 R)
• M12: 10,889,977 km (0.093 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.6

Radius: 4.2

Gravity: 17.61 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.98 AU - 6.42 AU

Year: 10127 Days

Day: 16.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 36,513,549 km

• M1: 54,753 km (0.073 R)
• M2: 261,347 km (0.062 R)
• M3: 395,686 km (0.077 R)
• M4: 545,883 km (0.12 R)
• M5: 774,019 km (0.085 R)
• M6: 1,043,595 km (0.102 R)
• M7: 1,301,950 km (0.099 R)
• M8: 1,535,622 km (0.085 R)
• M9: 1,825,992 km (0.062 R)
• M10: 2,071,033 km (0.108 R)
• M11: 2,461,334 km (0.043 R)
• M12: 3,568,508 km (0.116 R)
• M13: 3,709,130 km (0.063 R)
• M14: 4,179,166 km (0.118 R)
• M15: 4,715,624 km (0.03 R)
• M16: 7,065,657 km (0.103 R)
• M17: 7,785,372 km (0.057 R)
• M18: 8,305,225 km (0.117 R)
• M19: 9,149,555 km (0.071 R)
• M20: 9,637,544 km (0.117 R)
• M21: 11,457,402 km (0.097 R)
• M22: 12,609,305 km (0.104 R)
• M23: 12,826,821 km (0.119 R)
• M24: 14,419,440 km (0.066 R)
• M25: 15,263,172 km (0.079 R)
• M26: 16,267,123 km (0.096 R)
• M27: 17,048,473 km (0.095 R)
• M28: 18,059,904 km (0.09 R)
• M29: 19,253,844 km (0.091 R)
• M30: 20,875,635 km (0.037 R)
• M31: 22,907,174 km (0.114 R)
• M32: 25,844,678 km (0.059 R)
• M33: 28,835,289 km (0.115 R)
• M34: 30,170,899 km (0.116 R)
• M35: 32,250,758 km (0.088 R)
• M36: 34,424,265 km (0.059 R)
• M37: 34,742,460 km (0.1 R)
• M38: 36,144,342 km (0.116 R)
• M39: 36,583,112 km (0.089 R)
• M40: 36,803,769 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.7

Radius: 5.3

Gravity: 29.57 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.9 AU - 7.3 AU

Year: 12411 Days

Day: 16 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 36,513,549 km

• M1: 87,066 km (0.03 R)
• M2: 257,009 km (0.09 R)
• M3: 445,353 km (0.115 R)
• M4: 668,403 km (0.093 R)
• M5: 901,626 km (0.111 R)
• M6: 1,138,589 km (0.081 R)
• M7: 1,504,057 km (0.088 R)
• M8: 1,722,470 km (0.115 R)
• M9: 2,282,714 km (0.114 R)
• M10: 2,748,861 km (0.067 R)
• M11: 3,125,997 km (0.107 R)
• M12: 3,868,003 km (0.098 R)
• M13: 4,592,355 km (0.098 R)
• M14: 5,054,613 km (0.078 R)
• M15: 5,227,099 km (0.096 R)
• M16: 9,876,302 km (0.118 R)
• M17: 10,146,326 km (0.108 R)
• M18: 13,848,724 km (0.108 R)
• M19: 14,187,114 km (0.057 R)
• M20: 15,741,735 km (0.083 R)
• M21: 16,560,035 km (0.112 R)
• M22: 21,170,343 km (0.12 R)
• M23: 21,438,871 km (0.029 R)
• M24: 27,195,846 km (0.079 R)
• M25: 29,027,971 km (0.092 R)
• M26: 32,104,152 km (0.081 R)
• M27: 32,816,088 km (0.119 R)
• M28: 34,518,063 km (0.101 R)
• M29: 36,405,988 km (0.109 R)
• M30: 38,494,524 km (0.117 R)
• M31: 44,941,444 km (0.089 R)
• M32: 49,512,108 km (0.045 R)
• M33: 50,941,366 km (0.056 R)
• M34: 52,071,877 km (0.111 R)
• M35: 54,886,860 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.3

Radius: 5.7

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.93 AU - 9.21 AU

Year: 17919 Days

Day: 15.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,513,549 km

• M1: 70,909 km (0.062 R)
• M2: 812,316 km (0.101 R)
• M3: 1,828,535 km (0.027 R)
• M4: 2,282,864 km (0.116 R)
• M5: 4,820,193 km (0.096 R)
• M6: 6,608,935 km (0.085 R)
• M7: 9,010,729 km (0.112 R)
• M8: 12,410,639 km (0.111 R)
• M9: 16,773,063 km (0.101 R)
• M10: 22,768,646 km (0.052 R)
• M11: 23,493,897 km (0.093 R)
• M12: 25,675,333 km (0.095 R)
• M13: 27,082,899 km (0.114 R)
• M14: 27,714,502 km (0.112 R)
• M15: 30,243,005 km (0.052 R)
• M16: 31,712,205 km (0.025 R)
• M17: 35,969,611 km (0.037 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 13,881 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit