🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.1

Radius: 8.9

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.58 AU - 0.8 AU

Year: 376 Days

Day: 8.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 90,769,559 km

• M1: 110,702 km (0.093 R)
• M2: 424,708 km (0.062 R)
• M3: 736,321 km (0.041 R)
• M4: 1,049,728 km (0.109 R)
• M5: 1,356,105 km (0.117 R)
• M6: 2,640,552 km (0.078 R)
• M7: 3,311,498 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.2

Radius: 15

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.37 AU - 1.89 AU

Year: 1365 Days

Day: 12.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,769,559 km

• M1: 187,895 km (0.082 R)
• M2: 818,899 km (0.051 R)
• M3: 1,782,010 km (0.115 R)
• M4: 2,649,378 km (0.104 R)
• M5: 3,269,312 km (0.067 R)
• M6: 4,501,250 km (0.07 R)
• M7: 5,390,759 km (0.047 R)
• M8: 6,115,561 km (0.056 R)
• M9: 6,585,897 km (0.11 R)
• M10: 7,923,601 km (0.109 R)
• M11: 9,282,847 km (0.091 R)
• M12: 11,237,642 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.3

Radius: 12.1

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.78 AU - 2.66 AU

Year: 2170 Days

Day: 9.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,769,559 km

• M1: 150,495 km (0.109 R)
• M2: 575,054 km (0.088 R)
• M3: 1,284,148 km (0.088 R)
• M4: 2,313,381 km (0.048 R)
• M5: 3,041,026 km (0.089 R)
• M6: 3,694,918 km (0.09 R)
• M7: 4,236,163 km (0.076 R)
• M8: 4,613,150 km (0.106 R)
• M9: 5,413,498 km (0.086 R)
• M10: 6,696,749 km (0.09 R)
• M11: 7,289,904 km (0.116 R)
• M12: 7,750,815 km (0.106 R)
• M13: 8,493,120 km (0.098 R)
• M14: 9,095,999 km (0.055 R)
• M15: 10,219,629 km (0.069 R)
• M16: 11,325,905 km (0.089 R)
• M17: 12,472,274 km (0.096 R)
• M18: 13,613,257 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.1

Radius: 14.6

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.93 AU - 2.67 AU

Year: 2288 Days

Day: 7.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,769,559 km

• M1: 181,612 km (0.079 R)
• M2: 740,659 km (0.092 R)
• M3: 1,269,188 km (0.106 R)
• M4: 2,130,573 km (0.086 R)
• M5: 3,890,741 km (0.111 R)
• M6: 4,653,691 km (0.109 R)
• M7: 5,765,203 km (0.115 R)
• M8: 8,087,710 km (0.081 R)
• M9: 12,163,354 km (0.046 R)
• M10: 12,984,946 km (0.115 R)
• M11: 13,982,165 km (0.089 R)
• M12: 15,225,922 km (0.113 R)
• M13: 15,925,591 km (0.077 R)
• M14: 19,055,178 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.8

Radius: 10.2

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.55 AU - 5.11 AU

Year: 5911 Days

Day: 13.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 90,769,559 km

• M1: 135,685 km (0.105 R)
• M2: 466,147 km (0.108 R)
• M3: 1,096,552 km (0.084 R)
• M4: 1,592,918 km (0.103 R)
• M5: 2,484,372 km (0.072 R)
• M6: 4,121,870 km (0.093 R)
• M7: 4,956,177 km (0.095 R)
• M8: 5,695,939 km (0.117 R)
• M9: 6,892,124 km (0.111 R)
• M10: 7,497,696 km (0.113 R)
• M11: 8,509,725 km (0.083 R)
• M12: 10,025,601 km (0.067 R)
• M13: 12,236,358 km (0.102 R)
• M14: 13,023,691 km (0.066 R)
• M15: 15,645,843 km (0.111 R)
• M16: 16,047,214 km (0.112 R)
• M17: 16,573,200 km (0.066 R)
• M18: 17,292,616 km (0.065 R)
• M19: 18,857,859 km (0.101 R)
• M20: 21,555,557 km (0.075 R)
• M21: 23,441,089 km (0.081 R)
• M22: 24,577,584 km (0.089 R)
• M23: 25,355,343 km (0.079 R)
• M24: 26,390,860 km (0.072 R)
• M25: 27,703,880 km (0.115 R)
• M26: 28,376,472 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.2

Radius: 12.2

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.44 AU - 5.52 AU

Year: 6221 Days

Day: 9.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 90,769,559 km

• M1: 151,842 km (0.115 R)
• M2: 661,372 km (0.065 R)
• M3: 1,173,296 km (0.109 R)
• M4: 1,947,465 km (0.098 R)
• M5: 2,336,420 km (0.055 R)
• M6: 2,887,538 km (0.103 R)
• M7: 3,460,797 km (0.092 R)
• M8: 4,326,071 km (0.087 R)
• M9: 4,731,332 km (0.052 R)
• M10: 6,713,803 km (0.104 R)
• M11: 7,760,988 km (0.115 R)
• M12: 8,873,846 km (0.071 R)
• M13: 9,701,272 km (0.044 R)
• M14: 10,134,059 km (0.066 R)
• M15: 10,534,383 km (0.099 R)
• M16: 15,666,936 km (0.097 R)
• M17: 16,567,665 km (0.117 R)
• M18: 17,061,936 km (0.107 R)
• M19: 18,145,025 km (0.12 R)
• M20: 18,604,141 km (0.078 R)
• M21: 20,518,694 km (0.062 R)
• M22: 22,038,310 km (0.087 R)
• M23: 22,561,154 km (0.077 R)
• M24: 23,943,738 km (0.098 R)
• M25: 25,138,426 km (0.108 R)
• M26: 28,430,327 km (0.088 R)
• M27: 28,872,239 km (0.094 R)
• M28: 29,408,548 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.3

Radius: 8.7

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.24 AU - 6.08 AU

Year: 7689 Days

Day: 8.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 90,769,559 km

• M1: 108,159 km (0.096 R)
• M2: 724,353 km (0.116 R)
• M3: 1,086,679 km (0.077 R)
• M4: 2,220,182 km (0.091 R)
• M5: 2,940,945 km (0.099 R)
• M6: 4,201,456 km (0.103 R)
• M7: 4,539,398 km (0.11 R)
• M8: 5,240,862 km (0.112 R)
• M9: 6,045,100 km (0.055 R)
• M10: 6,717,842 km (0.118 R)
• M11: 7,476,902 km (0.108 R)
• M12: 9,079,544 km (0.048 R)
• M13: 11,240,934 km (0.112 R)
• M14: 12,626,808 km (0.114 R)
• M15: 13,499,861 km (0.082 R)
• M16: 14,354,514 km (0.094 R)
• M17: 14,884,240 km (0.091 R)
• M18: 16,424,350 km (0.104 R)
• M19: 16,938,817 km (0.111 R)
• M20: 20,254,804 km (0.076 R)
• M21: 25,316,597 km (0.061 R)
• M22: 29,341,678 km (0.108 R)
• M23: 30,869,820 km (0.107 R)
• M24: 32,250,010 km (0.071 R)
• M25: 35,132,910 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 300.7

Radius: 4.7

Gravity: 13.61 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.02 AU - 6.34 AU

Year: 10078 Days

Day: 23.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 90,769,559 km

• M1: 58,493 km (0.102 R)
• M2: 289,921 km (0.092 R)
• M3: 844,031 km (0.072 R)
• M4: 1,095,804 km (0.113 R)
• M5: 1,432,998 km (0.025 R)
• M6: 1,749,996 km (0.109 R)
• M7: 2,311,736 km (0.061 R)
• M8: 2,985,674 km (0.086 R)
• M9: 3,502,385 km (0.106 R)
• M10: 3,663,801 km (0.098 R)
• M11: 4,152,538 km (0.074 R)
• M12: 6,207,863 km (0.047 R)
• M13: 6,864,897 km (0.092 R)
• M14: 7,340,468 km (0.077 R)
• M15: 7,955,615 km (0.119 R)
• M16: 8,438,965 km (0.078 R)
• M17: 8,814,157 km (0.059 R)
• M18: 9,113,502 km (0.099 R)
• M19: 10,956,398 km (0.034 R)
• M20: 14,281,211 km (0.103 R)
• M21: 14,933,907 km (0.059 R)
• M22: 17,947,705 km (0.088 R)
• M23: 19,059,816 km (0.054 R)
• M24: 20,438,959 km (0.03 R)
• M25: 21,190,987 km (0.097 R)
• M26: 22,432,201 km (0.114 R)
• M27: 22,990,201 km (0.091 R)
• M28: 23,475,795 km (0.081 R)
• M29: 24,300,229 km (0.107 R)
• M30: 26,889,320 km (0.046 R)
• M31: 28,807,314 km (0.066 R)
• M32: 28,994,611 km (0.096 R)
• M33: 30,912,455 km (0.059 R)
• M34: 34,786,142 km (0.097 R)
• M35: 36,509,660 km (0.055 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.3

Radius: 7.9

Gravity: 12.21 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.77 AU - 7.49 AU

Year: 11199 Days

Day: 18 Hours

Environment

Temp: -233 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,769,559 km

• M1: 98,286 km (0.103 R)
• M2: 431,291 km (0.064 R)
• M3: 783,294 km (0.081 R)
• M4: 2,470,160 km (0.081 R)
• M5: 2,741,231 km (0.093 R)
• M6: 3,393,478 km (0.109 R)
• M7: 3,703,146 km (0.063 R)
• M8: 6,505,114 km (0.078 R)
• M9: 7,149,282 km (0.079 R)
• M10: 7,401,654 km (0.054 R)
• M11: 8,945,653 km (0.12 R)
• M12: 11,418,057 km (0.092 R)
• M13: 11,763,329 km (0.094 R)
• M14: 13,404,418 km (0.066 R)
• M15: 22,745,758 km (0.117 R)
• M16: 24,890,991 km (0.053 R)
• M17: 26,762,012 km (0.111 R)
• M18: 27,577,171 km (0.088 R)
• M19: 28,724,736 km (0.104 R)
• M20: 33,517,702 km (0.098 R)
• M21: 37,160,410 km (0.111 R)
• M22: 39,861,849 km (0.118 R)
• M23: 43,245,154 km (0.101 R)
• M24: 46,815,158 km (0.05 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805.5

Radius: 4.5

Gravity: 39.78 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 9.63 AU - 12.43 AU

Year: 24031 Days

Day: 23 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 90,769,559 km

• M1: 56,847 km (0.085 R)
• M2: 237,412 km (0.098 R)
• M3: 501,602 km (0.1 R)
• M4: 688,001 km (0.05 R)
• M5: 1,310,029 km (0.093 R)
• M6: 2,480,781 km (0.062 R)
• M7: 2,811,094 km (0.078 R)
• M8: 5,354,706 km (0.084 R)
• M9: 6,539,521 km (0.117 R)
• M10: 7,369,490 km (0.095 R)
• M11: 11,808,358 km (0.096 R)
• M12: 12,737,511 km (0.115 R)
• M13: 13,182,564 km (0.098 R)
• M14: 15,986,776 km (0.09 R)
• M15: 17,663,918 km (0.111 R)
• M16: 18,876,708 km (0.071 R)
• M17: 19,846,701 km (0.078 R)
• M18: 21,259,802 km (0.059 R)
• M19: 24,968,184 km (0.094 R)
• M20: 35,782,015 km (0.117 R)
• M21: 39,251,639 km (0.072 R)
• M22: 47,201,419 km (0.067 R)
• M23: 54,788,126 km (0.115 R)
• M24: 58,767,130 km (0.106 R)
• M25: 68,415,145 km (0.096 R)
• M26: 81,827,791 km (0.098 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 18,194 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit