🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.9

Radius: 12.6

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.52 AU - 0.6 AU

Year: 289 Days

Day: 13.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,086,034 km

• M1: 156,779 km (0.097 R)
• M2: 632,799 km (0.101 R)
• M3: 1,066,633 km (0.071 R)
• M4: 1,485,507 km (0.047 R)
• M5: 2,194,451 km (0.062 R)
• M6: 3,017,987 km (0.1 R)
• M7: 4,186,646 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.8

Radius: 12.4

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.4 AU - 3.56 AU

Year: 3551 Days

Day: 6.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,086,034 km

• M1: 154,535 km (0.059 R)
• M2: 724,054 km (0.086 R)
• M3: 1,544,897 km (0.101 R)
• M4: 2,525,212 km (0.046 R)
• M5: 2,962,487 km (0.105 R)
• M6: 3,723,192 km (0.105 R)
• M7: 4,216,715 km (0.12 R)
• M8: 4,753,772 km (0.035 R)
• M9: 5,586,882 km (0.115 R)
• M10: 6,540,718 km (0.086 R)
• M11: 7,179,800 km (0.09 R)
• M12: 7,571,597 km (0.108 R)
• M13: 8,036,846 km (0.095 R)
• M14: 8,521,244 km (0.092 R)
• M15: 8,992,926 km (0.092 R)
• M16: 10,023,207 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.3

Radius: 9.4

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.08 AU - 4.86 AU

Year: 6523 Days

Day: 5.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,086,034 km

• M1: 118,781 km (0.066 R)
• M2: 435,180 km (0.093 R)
• M3: 802,293 km (0.096 R)
• M4: 1,145,172 km (0.11 R)
• M5: 1,692,850 km (0.11 R)
• M6: 3,526,620 km (0.105 R)
• M7: 5,354,856 km (0.099 R)
• M8: 7,673,024 km (0.102 R)
• M9: 8,056,593 km (0.103 R)
• M10: 13,512,577 km (0.112 R)
• M11: 16,184,545 km (0.099 R)
• M12: 17,524,493 km (0.11 R)
• M13: 19,381,451 km (0.06 R)
• M14: 23,774,692 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.1

Radius: 13.3

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.51 AU - 6.29 AU

Year: 8662 Days

Day: 10.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,086,034 km

• M1: 170,242 km (0.098 R)
• M2: 773,870 km (0.116 R)
• M3: 2,555,281 km (0.093 R)
• M4: 3,140,209 km (0.105 R)
• M5: 7,251,607 km (0.057 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961.9

Radius: 5.3

Gravity: 34.24 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 8.17 AU - 9.21 AU

Year: 17682 Days

Day: 23.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,086,034 km

• M1: 66,571 km (0.074 R)
• M2: 250,427 km (0.048 R)
• M3: 1,007,691 km (0.108 R)
• M4: 1,177,335 km (0.115 R)
• M5: 2,402,243 km (0.044 R)
• M6: 3,175,514 km (0.079 R)
• M7: 3,457,207 km (0.106 R)
• M8: 5,510,587 km (0.118 R)
• M9: 5,834,766 km (0.079 R)
• M10: 6,837,819 km (0.106 R)
• M11: 7,404,496 km (0.087 R)
• M12: 7,749,170 km (0.094 R)
• M13: 10,165,774 km (0.11 R)
• M14: 10,407,673 km (0.101 R)
• M15: 11,741,189 km (0.102 R)
• M16: 12,074,792 km (0.094 R)
• M17: 13,838,252 km (0.077 R)
• M18: 15,526,015 km (0.076 R)
• M19: 16,009,067 km (0.097 R)
• M20: 18,218,926 km (0.1 R)
• M21: 19,956,805 km (0.094 R)
• M22: 26,964,867 km (0.08 R)
• M23: 27,545,456 km (0.092 R)
• M24: 30,699,278 km (0.044 R)
• M25: 31,587,740 km (0.105 R)
• M26: 34,491,584 km (0.094 R)
• M27: 40,218,340 km (0.052 R)
• M28: 40,671,771 km (0.083 R)
• M29: 43,464,165 km (0.074 R)
• M30: 51,352,162 km (0.073 R)
• M31: 55,725,057 km (0.118 R)
• M32: 67,729,239 km (0.09 R)
• M33: 76,621,636 km (0.106 R)
• M34: 77,085,539 km (0.203 R)
• M35: 77,551,387 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.3

Radius: 3.7

Gravity: 23.76 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 7.48 AU - 11.06 AU

Year: 19482 Days

Day: 17.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 70,086,034 km

• M1: 46,076 km (0.108 R)
• M2: 192,682 km (0.068 R)
• M3: 433,385 km (0.097 R)
• M4: 701,165 km (0.112 R)
• M5: 913,744 km (0.101 R)
• M6: 1,367,175 km (0.109 R)
• M7: 2,296,776 km (0.068 R)
• M8: 2,418,698 km (0.106 R)
• M9: 2,857,170 km (0.028 R)
• M10: 2,974,604 km (0.106 R)
• M11: 3,144,398 km (0.075 R)
• M12: 3,398,265 km (0.107 R)
• M13: 4,426,451 km (0.058 R)
• M14: 5,079,147 km (0.081 R)
• M15: 7,642,207 km (0.05 R)
• M16: 9,377,991 km (0.091 R)
• M17: 9,638,142 km (0.088 R)
• M18: 10,172,954 km (0.101 R)
• M19: 12,699,214 km (0.062 R)
• M20: 14,072,373 km (0.089 R)
• M21: 14,970,409 km (0.071 R)
• M22: 15,613,979 km (0.106 R)
• M23: 17,109,957 km (0.082 R)
• M24: 17,892,653 km (0.11 R)
• M25: 18,945,374 km (0.118 R)
• M26: 19,277,331 km (0.046 R)
• M27: 21,351,655 km (0.045 R)
• M28: 21,983,557 km (0.07 R)
• M29: 24,636,077 km (0.051 R)
• M30: 27,600,209 km (0.094 R)
• M31: 35,589,782 km (0.105 R)
• M32: 36,990,916 km (0.119 R)
• M33: 39,094,112 km (0.108 R)
• M34: 39,767,303 km (0.066 R)
• M35: 42,114,194 km (0.111 R)
• M36: 42,821,493 km (0.111 R)
• M37: 43,106,776 km (0.06 R)
• M38: 43,825,145 km (0.1 R)
• M39: 45,138,465 km (0.107 R)
• M40: 46,778,955 km (0.101 R)
• M41: 48,613,324 km (0.057 R)
• M42: 56,260,318 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.6

Radius: 4.5

Gravity: 23.44 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 8.99 AU - 10.65 AU

Year: 21241 Days

Day: 17.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,086,034 km

• M1: 56,398 km (0.11 R)
• M2: 591,360 km (0.119 R)
• M3: 771,626 km (0.054 R)
• M4: 1,073,215 km (0.097 R)
• M5: 1,286,841 km (0.108 R)
• M6: 1,512,434 km (0.117 R)
• M7: 1,853,817 km (0.11 R)
• M8: 2,042,909 km (0.052 R)
• M9: 3,632,087 km (0.107 R)
• M10: 6,103,144 km (0.098 R)
• M11: 6,696,150 km (0.068 R)
• M12: 7,006,715 km (0.055 R)
• M13: 17,317,749 km (0.109 R)
• M14: 18,242,413 km (0.044 R)
• M15: 18,760,321 km (0.106 R)
• M16: 23,666,832 km (0.111 R)
• M17: 27,298,919 km (0.097 R)
• M18: 35,509,448 km (0.101 R)
• M19: 35,911,418 km (0.051 R)
• M20: 38,527,136 km (0.099 R)
• M21: 41,563,076 km (0.11 R)
• M22: 49,425,042 km (0.07 R)
• M23: 51,107,869 km (0.077 R)
• M24: 59,908,562 km (0.109 R)
• M25: 60,097,953 km (0.096 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: 412 - 14,664 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit