🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.3

Radius: 14.7

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.58 AU - 0.78 AU

Year: 387 Days

Day: 11.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,270,786 km

• M1: 182,958 km (0.058 R)
• M2: 656,136 km (0.082 R)
• M3: 1,196,783 km (0.108 R)
• M4: 1,776,774 km (0.108 R)
• M5: 2,310,689 km (0.066 R)
• M6: 2,835,628 km (0.116 R)
• M7: 3,839,130 km (0.051 R)
• M8: 4,582,931 km (0.075 R)
• M9: 5,194,636 km (0.084 R)
• M10: 5,757,274 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.5

Radius: 14.9

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.71 AU - 0.87 AU

Year: 485 Days

Day: 11.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,270,786 km

• M1: 185,501 km (0.081 R)
• M2: 649,404 km (0.114 R)
• M3: 1,182,721 km (0.028 R)
• M4: 1,687,763 km (0.111 R)
• M5: 2,211,206 km (0.039 R)
• M6: 2,695,604 km (0.108 R)
• M7: 3,457,805 km (0.117 R)
• M8: 4,766,787 km (0.099 R)
• M9: 5,365,028 km (0.054 R)
• M10: 5,886,676 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.8

Radius: 14

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.55 AU - 2.61 AU

Year: 2860 Days

Day: 8.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,270,786 km

• M1: 181,761 km (0.081 R)
• M2: 668,254 km (0.053 R)
• M3: 1,142,629 km (0.116 R)
• M4: 1,656,348 km (0.12 R)
• M5: 2,246,810 km (0.101 R)
• M6: 3,017,389 km (0.098 R)
• M7: 4,336,543 km (0.102 R)
• M8: 4,795,958 km (0.098 R)
• M9: 5,267,640 km (0.079 R)
• M10: 6,584,849 km (0.102 R)
• M11: 8,166,099 km (0.092 R)
• M12: 10,178,041 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.3

Radius: 9.7

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.53 AU - 3.75 AU

Year: 3841 Days

Day: 7.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,270,786 km

• M1: 120,725 km (0.058 R)
• M2: 790,176 km (0.096 R)
• M3: 1,251,536 km (0.116 R)
• M4: 1,598,603 km (0.12 R)
• M5: 2,024,059 km (0.07 R)
• M6: 2,348,836 km (0.038 R)
• M7: 3,478,749 km (0.047 R)
• M8: 3,860,223 km (0.102 R)
• M9: 4,199,362 km (0.071 R)
• M10: 4,558,247 km (0.108 R)
• M11: 5,148,710 km (0.032 R)
• M12: 7,229,018 km (0.096 R)
• M13: 7,924,349 km (0.088 R)
• M14: 9,207,899 km (0.116 R)
• M15: 9,857,752 km (0.086 R)
• M16: 11,523,674 km (0.059 R)
• M17: 11,991,466 km (0.12 R)
• M18: 16,320,081 km (0.076 R)
• M19: 17,761,007 km (0.038 R)
• M20: 24,530,909 km (0.116 R)
• M21: 24,838,931 km (0.032 R)
• M22: 25,305,826 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.8

Radius: 10.6

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.79 AU - 4.49 AU

Year: 4794 Days

Day: 8.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,270,786 km

• M1: 131,945 km (0.097 R)
• M2: 480,359 km (0.087 R)
• M3: 882,179 km (0.091 R)
• M4: 1,547,590 km (0.114 R)
• M5: 1,910,365 km (0.053 R)
• M6: 2,393,117 km (0.068 R)
• M7: 3,419,658 km (0.088 R)
• M8: 4,135,783 km (0.066 R)
• M9: 4,692,137 km (0.109 R)
• M10: 5,865,882 km (0.094 R)
• M11: 6,990,858 km (0.053 R)
• M12: 7,639,963 km (0.109 R)
• M13: 8,940,418 km (0.117 R)
• M14: 9,377,991 km (0.085 R)
• M15: 11,458,000 km (0.088 R)
• M16: 12,022,582 km (0.104 R)
• M17: 19,253,545 km (0.069 R)
• M18: 19,650,129 km (0.072 R)
• M19: 24,456,260 km (0.12 R)
• M20: 25,949,995 km (0.107 R)
• M21: 27,586,895 km (0.102 R)
• M22: 27,922,443 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.4

Radius: 8.9

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.92 AU - 4.96 AU

Year: 7579 Days

Day: 10.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,270,786 km

• M1: 111,002 km (0.119 R)
• M2: 440,865 km (0.12 R)
• M3: 741,706 km (0.108 R)
• M4: 1,107,922 km (0.102 R)
• M5: 1,406,370 km (0.118 R)
• M6: 1,759,121 km (0.055 R)
• M7: 2,050,987 km (0.114 R)
• M8: 3,561,626 km (0.071 R)
• M9: 4,152,089 km (0.028 R)
• M10: 4,572,459 km (0.092 R)
• M11: 5,469,597 km (0.076 R)
• M12: 6,161,188 km (0.11 R)
• M13: 8,088,458 km (0.094 R)
• M14: 10,976,744 km (0.096 R)
• M15: 11,685,239 km (0.116 R)
• M16: 13,298,054 km (0.114 R)
• M17: 13,723,510 km (0.055 R)
• M18: 16,287,618 km (0.074 R)
• M19: 17,208,841 km (0.049 R)
• M20: 17,842,089 km (0.079 R)
• M21: 18,294,473 km (0.069 R)
• M22: 19,835,032 km (0.119 R)
• M23: 21,532,818 km (0.094 R)
• M24: 22,045,789 km (0.118 R)
• M25: 24,179,504 km (0.075 R)
• M26: 26,447,108 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.9

Radius: 14.8

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.93 AU - 5.67 AU

Year: 8422 Days

Day: 13.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,270,786 km

• M1: 184,155 km (0.036 R)
• M2: 927,956 km (0.054 R)
• M3: 1,394,701 km (0.109 R)
• M4: 2,252,346 km (0.117 R)
• M5: 3,748,324 km (0.095 R)
• M6: 4,725,348 km (0.082 R)
• M7: 5,540,956 km (0.119 R)
• M8: 6,067,390 km (0.098 R)
• M9: 7,811,253 km (0.119 R)
• M10: 8,909,451 km (0.061 R)
• M11: 11,516,642 km (0.073 R)
• M12: 13,810,576 km (0.09 R)
• M13: 15,932,173 km (0.06 R)
• M14: 16,528,470 km (0.089 R)
• M15: 18,407,270 km (0.106 R)
• M16: 21,367,363 km (0.116 R)
• M17: 21,849,367 km (0.119 R)
• M18: 25,429,843 km (0.111 R)
• M19: 25,971,387 km (0.081 R)
• M20: 27,453,453 km (0.06 R)
• M21: 34,716,430 km (0.116 R)
• M22: 36,285,861 km (0.108 R)
• M23: 38,966,206 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 745.1

Radius: 4.4

Gravity: 38.49 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.38 AU - 5.88 AU

Year: 9221 Days

Day: 20.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 50,270,786 km

• M1: 54,753 km (0.113 R)
• M2: 228,436 km (0.101 R)
• M3: 444,904 km (0.084 R)
• M4: 893,698 km (0.07 R)
• M5: 1,157,439 km (0.088 R)
• M6: 1,391,260 km (0.108 R)
• M7: 1,761,665 km (0.117 R)
• M8: 1,970,204 km (0.082 R)
• M9: 2,285,855 km (0.112 R)
• M10: 2,634,568 km (0.059 R)
• M11: 3,017,688 km (0.104 R)
• M12: 3,920,811 km (0.117 R)
• M13: 4,477,614 km (0.042 R)
• M14: 5,053,865 km (0.109 R)
• M15: 6,315,424 km (0.046 R)
• M16: 7,481,689 km (0.118 R)
• M17: 8,378,827 km (0.082 R)
• M18: 8,876,390 km (0.09 R)
• M19: 9,250,384 km (0.101 R)
• M20: 9,489,442 km (0.063 R)
• M21: 11,279,679 km (0.084 R)
• M22: 13,587,526 km (0.108 R)
• M23: 13,772,429 km (0.114 R)
• M24: 14,400,590 km (0.065 R)
• M25: 15,378,362 km (0.093 R)
• M26: 20,450,478 km (0.057 R)
• M27: 20,938,017 km (0.11 R)
• M28: 23,492,550 km (0.05 R)
• M29: 25,679,821 km (0.09 R)
• M30: 26,342,539 km (0.111 R)
• M31: 27,406,779 km (0.062 R)
• M32: 28,802,377 km (0.079 R)
• M33: 30,140,081 km (0.098 R)
• M34: 30,560,003 km (0.115 R)
• M35: 32,168,928 km (0.07 R)
• M36: 33,049,760 km (0.098 R)
• M37: 33,272,362 km (0.082 R)
• M38: 33,720,706 km (0.107 R)
• M39: 37,695,971 km (0.113 R)
• M40: 41,066,710 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364.7

Radius: 7.3

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 6.06 AU - 9.32 AU

Year: 14720 Days

Day: 24.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 50,270,786 km

• M1: 90,956 km (0.082 R)
• M2: 413,638 km (0.117 R)
• M3: 819,796 km (0.106 R)
• M4: 1,192,295 km (0.108 R)
• M5: 1,704,518 km (0.09 R)
• M6: 2,063,104 km (0.08 R)
• M7: 2,316,822 km (0.104 R)
• M8: 3,067,355 km (0.027 R)
• M9: 3,808,463 km (0.093 R)
• M10: 4,136,381 km (0.081 R)
• M11: 4,542,539 km (0.055 R)
• M12: 5,039,055 km (0.106 R)
• M13: 5,886,676 km (0.108 R)
• M14: 6,325,746 km (0.059 R)
• M15: 7,603,761 km (0.109 R)
• M16: 8,762,396 km (0.046 R)
• M17: 9,189,498 km (0.111 R)
• M18: 9,983,115 km (0.119 R)
• M19: 12,878,731 km (0.09 R)
• M20: 14,781,167 km (0.059 R)
• M21: 15,730,216 km (0.092 R)
• M22: 16,008,618 km (0.066 R)
• M23: 22,118,644 km (0.069 R)
• M24: 22,380,440 km (0.086 R)
• M25: 22,732,892 km (0.053 R)
• M26: 24,364,706 km (0.025 R)
• M27: 27,657,355 km (0.108 R)
• M28: 27,961,338 km (0.082 R)
• M29: 30,366,872 km (0.092 R)
• M30: 33,134,432 km (0.104 R)
• M31: 34,170,547 km (0.071 R)
• M32: 36,550,201 km (0.077 R)
• M33: 37,780,493 km (0.071 R)
• M34: 41,239,645 km (0.086 R)
• M35: 41,636,678 km (0.101 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 13,994 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit