🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.7

Radius: 11.1

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.45 AU - 0.61 AU

Year: 262 Days

Day: 11.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 73,225,025 km

• M1: 141,520 km (0.119 R)
• M2: 686,205 km (0.073 R)
• M3: 1,036,564 km (0.118 R)
• M4: 1,942,229 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.7

Radius: 12.5

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.78 AU - 1.16 AU

Year: 648 Days

Day: 7.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,225,025 km

• M1: 156,031 km (0.032 R)
• M2: 562,488 km (0.075 R)
• M3: 1,057,657 km (0.03 R)
• M4: 1,507,348 km (0.101 R)
• M5: 2,086,142 km (0.11 R)
• M6: 2,587,594 km (0.116 R)
• M7: 3,334,088 km (0.05 R)
• M8: 3,908,244 km (0.039 R)
• M9: 4,483,897 km (0.116 R)
• M10: 5,692,797 km (0.084 R)
• M11: 6,957,049 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550

Radius: 13.8

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.08 AU - 1.6 AU

Year: 1052 Days

Day: 11.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,225,025 km

• M1: 171,738 km (0.072 R)
• M2: 642,224 km (0.047 R)
• M3: 1,191,098 km (0.026 R)
• M4: 1,903,483 km (0.11 R)
• M5: 2,553,636 km (0.099 R)
• M6: 3,561,477 km (0.114 R)
• M7: 4,030,017 km (0.09 R)
• M8: 4,909,503 km (0.05 R)
• M9: 6,421,040 km (0.033 R)
• M10: 7,597,178 km (0.11 R)
• M11: 9,021,649 km (0.079 R)
• M12: 9,870,168 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.9

Radius: 13.8

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.38 AU - 1.42 AU

Year: 1124 Days

Day: 11.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 79.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,225,025 km

• M1: 171,589 km (0.098 R)
• M2: 715,975 km (0.116 R)
• M3: 1,489,247 km (0.096 R)
• M4: 1,990,250 km (0.104 R)
• M5: 2,493,946 km (0.114 R)
• M6: 2,970,116 km (0.075 R)
• M7: 3,479,796 km (0.067 R)
• M8: 4,017,301 km (0.105 R)
• M9: 5,007,490 km (0.08 R)
• M10: 5,465,708 km (0.09 R)
• M11: 5,912,108 km (0.086 R)
• M12: 6,703,331 km (0.103 R)
• M13: 7,307,557 km (0.079 R)
• M14: 7,850,896 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.8

Radius: 9.8

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.16 AU - 1.86 AU

Year: 1259 Days

Day: 8.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,225,025 km

• M1: 121,922 km (0.05 R)
• M2: 497,413 km (0.105 R)
• M3: 827,725 km (0.097 R)
• M4: 1,355,955 km (0.106 R)
• M5: 1,701,975 km (0.074 R)
• M6: 2,008,950 km (0.09 R)
• M7: 2,432,761 km (0.118 R)
• M8: 3,752,962 km (0.091 R)
• M9: 4,060,385 km (0.087 R)
• M10: 4,430,341 km (0.092 R)
• M11: 4,822,736 km (0.063 R)
• M12: 5,569,978 km (0.062 R)
• M13: 6,256,333 km (0.115 R)
• M14: 6,590,235 km (0.029 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930

Radius: 13.9

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.85 AU - 2.41 AU

Year: 2108 Days

Day: 11.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,225,025 km

• M1: 174,282 km (0.116 R)
• M2: 771,925 km (0.06 R)
• M3: 1,904,680 km (0.08 R)
• M4: 2,459,838 km (0.059 R)
• M5: 3,122,556 km (0.094 R)
• M6: 3,586,609 km (0.118 R)
• M7: 4,196,819 km (0.037 R)
• M8: 4,677,477 km (0.045 R)
• M9: 5,431,899 km (0.06 R)
• M10: 6,319,313 km (0.061 R)
• M11: 8,063,475 km (0.05 R)
• M12: 8,979,463 km (0.05 R)
• M13: 10,036,521 km (0.119 R)
• M14: 10,595,419 km (0.107 R)
• M15: 12,824,876 km (0.079 R)
• M16: 13,350,114 km (0.037 R)
• M17: 14,821,559 km (0.082 R)
• M18: 16,861,625 km (0.1 R)
• M19: 17,867,970 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.2

Radius: 9.1

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.56 AU - 3.46 AU

Year: 3542 Days

Day: 14.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,225,025 km

• M1: 115,639 km (0.083 R)
• M2: 446,998 km (0.036 R)
• M3: 1,606,532 km (0.108 R)
• M4: 2,065,199 km (0.101 R)
• M5: 2,799,874 km (0.078 R)
• M6: 3,138,863 km (0.118 R)
• M7: 4,921,770 km (0.076 R)
• M8: 5,366,973 km (0.034 R)
• M9: 6,224,618 km (0.106 R)
• M10: 7,711,022 km (0.094 R)
• M11: 8,659,772 km (0.1 R)
• M12: 9,199,072 km (0.119 R)
• M13: 9,722,366 km (0.115 R)
• M14: 11,034,638 km (0.062 R)
• M15: 17,531,374 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.1

Radius: 14.1

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.24 AU - 4.62 AU

Year: 5284 Days

Day: 5.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,225,025 km

• M1: 175,927 km (0.104 R)
• M2: 677,080 km (0.067 R)
• M3: 1,265,149 km (0.088 R)
• M4: 1,888,374 km (0.102 R)
• M5: 2,498,434 km (0.111 R)
• M6: 3,012,901 km (0.063 R)
• M7: 3,556,989 km (0.064 R)
• M8: 4,718,766 km (0.056 R)
• M9: 5,265,546 km (0.05 R)
• M10: 6,271,292 km (0.103 R)
• M11: 8,474,869 km (0.039 R)
• M12: 11,199,345 km (0.118 R)
• M13: 11,704,537 km (0.109 R)
• M14: 12,176,967 km (0.117 R)
• M15: 17,445,954 km (0.066 R)
• M16: 18,631,667 km (0.111 R)
• M17: 19,407,781 km (0.118 R)
• M18: 20,003,928 km (0.101 R)
• M19: 21,512,623 km (0.084 R)
• M20: 24,372,036 km (0.07 R)
• M21: 26,982,220 km (0.043 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259

Radius: 10.6

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.39 AU - 5.67 AU

Year: 7651 Days

Day: 14 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,225,025 km

• M1: 132,544 km (0.065 R)
• M2: 496,964 km (0.085 R)
• M3: 967,001 km (0.093 R)
• M4: 1,306,737 km (0.112 R)
• M5: 2,121,148 km (0.064 R)
• M6: 2,709,816 km (0.06 R)
• M7: 3,486,229 km (0.117 R)
• M8: 3,871,294 km (0.096 R)
• M9: 4,237,360 km (0.03 R)
• M10: 5,393,302 km (0.119 R)
• M11: 5,999,772 km (0.07 R)
• M12: 8,242,843 km (0.069 R)
• M13: 9,779,662 km (0.117 R)
• M14: 12,163,204 km (0.117 R)
• M15: 12,802,287 km (0.11 R)
• M16: 14,854,769 km (0.117 R)
• M17: 17,362,030 km (0.116 R)
• M18: 18,235,831 km (0.103 R)
• M19: 20,343,066 km (0.101 R)
• M20: 20,963,748 km (0.106 R)
• M21: 23,199,189 km (0.104 R)
• M22: 25,035,503 km (0.058 R)
• M23: 26,312,321 km (0.1 R)

Asteroid Belt

Center: 6.87 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 8.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 803.4

Radius: 7.6

Gravity: 13.91 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 6.74 AU - 10.68 AU

Year: 17435 Days

Day: 22.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,225,025 km

• M1: 95,892 km (0.059 R)
• M2: 688,449 km (0.07 R)
• M3: 949,946 km (0.077 R)
• M4: 1,307,186 km (0.077 R)
• M5: 1,549,984 km (0.072 R)
• M6: 1,841,400 km (0.094 R)
• M7: 2,088,835 km (0.074 R)
• M8: 2,337,018 km (0.091 R)
• M9: 2,843,856 km (0.119 R)
• M10: 3,338,725 km (0.113 R)
• M11: 3,679,958 km (0.063 R)
• M12: 4,670,296 km (0.104 R)
• M13: 6,452,306 km (0.075 R)
• M14: 6,983,079 km (0.079 R)
• M15: 8,751,027 km (0.08 R)
• M16: 10,200,331 km (0.097 R)
• M17: 10,496,385 km (0.108 R)
• M18: 11,105,697 km (0.044 R)
• M19: 13,566,582 km (0.12 R)
• M20: 15,114,022 km (0.108 R)
• M21: 15,811,897 km (0.1 R)
• M22: 16,208,780 km (0.076 R)
• M23: 34,932,449 km (0.074 R)
• M24: 42,669,801 km (0.102 R)
• M25: 43,749,598 km (0.102 R)
• M26: 45,963,647 km (0.105 R)
• M27: 51,823,246 km (0.088 R)
• M28: 54,660,369 km (0.092 R)
• M29: 63,191,637 km (0.062 R)
• M30: 65,200,886 km (0.112 R)
• M31: 66,838,683 km (0.102 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 12,323 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit