🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.4

Radius: 11.6

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.45 AU - 0.59 AU

Year: 254 Days

Day: 14.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,800,716 km

• M1: 144,362 km (0.107 R)
• M2: 524,939 km (0.098 R)
• M3: 961,017 km (0.057 R)
• M4: 1,358,947 km (0.061 R)
• M5: 1,744,311 km (0.099 R)
• M6: 2,241,724 km (0.084 R)
• M7: 3,653,030 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.2

Radius: 9.6

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.54 AU - 0.6 AU

Year: 292 Days

Day: 11.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,800,716 km

• M1: 119,379 km (0.104 R)
• M2: 425,456 km (0.047 R)
• M3: 770,279 km (0.051 R)
• M4: 1,172,997 km (0.101 R)
• M5: 1,654,253 km (0.083 R)
• M6: 2,308,594 km (0.055 R)
• M7: 2,633,222 km (0.052 R)
• M8: 3,061,670 km (0.101 R)
• M9: 3,405,596 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859

Radius: 9.8

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.75 AU - 2.11 AU

Year: 1819 Days

Day: 10 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,800,716 km

• M1: 122,221 km (0.088 R)
• M2: 593,754 km (0.071 R)
• M3: 1,083,837 km (0.116 R)
• M4: 1,673,252 km (0.11 R)
• M5: 1,989,203 km (0.097 R)
• M6: 3,076,630 km (0.099 R)
• M7: 3,750,867 km (0.117 R)
• M8: 4,459,513 km (0.098 R)
• M9: 5,142,128 km (0.081 R)
• M10: 6,346,241 km (0.101 R)
• M11: 8,649,599 km (0.063 R)
• M12: 10,200,630 km (0.114 R)
• M13: 11,383,800 km (0.106 R)
• M14: 12,614,990 km (0.102 R)
• M15: 13,932,648 km (0.056 R)
• M16: 15,670,527 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.8

Radius: 10.4

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.82 AU - 2.12 AU

Year: 1875 Days

Day: 14.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,800,716 km

• M1: 129,402 km (0.05 R)
• M2: 521,349 km (0.049 R)
• M3: 973,284 km (0.106 R)
• M4: 1,357,301 km (0.084 R)
• M5: 1,876,406 km (0.072 R)
• M6: 2,496,788 km (0.112 R)
• M7: 3,183,742 km (0.12 R)
• M8: 3,589,751 km (0.099 R)
• M9: 5,109,665 km (0.077 R)
• M10: 5,814,570 km (0.096 R)
• M11: 6,190,659 km (0.069 R)
• M12: 7,047,705 km (0.077 R)
• M13: 7,475,854 km (0.082 R)
• M14: 8,165,949 km (0.048 R)
• M15: 9,029,727 km (0.075 R)
• M16: 11,242,729 km (0.068 R)
• M17: 11,868,048 km (0.084 R)
• M18: 12,270,466 km (0.098 R)
• M19: 12,933,334 km (0.062 R)
• M20: 13,489,240 km (0.075 R)
• M21: 15,490,261 km (0.059 R)
• M22: 15,922,599 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.4

Radius: 10.1

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.74 AU - 5.16 AU

Year: 7470 Days

Day: 14.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 57.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,800,716 km

• M1: 125,662 km (0.046 R)
• M2: 712,086 km (0.119 R)
• M3: 1,146,967 km (0.051 R)
• M4: 1,511,686 km (0.078 R)
• M5: 2,074,324 km (0.116 R)
• M6: 3,332,442 km (0.104 R)
• M7: 3,778,244 km (0.105 R)
• M8: 4,339,984 km (0.075 R)
• M9: 5,213,037 km (0.083 R)
• M10: 6,199,186 km (0.11 R)
• M11: 7,268,811 km (0.094 R)
• M12: 7,943,946 km (0.119 R)
• M13: 8,416,825 km (0.114 R)
• M14: 11,263,672 km (0.072 R)
• M15: 15,170,421 km (0.097 R)
• M16: 16,524,282 km (0.069 R)
• M17: 17,230,683 km (0.065 R)
• M18: 18,634,958 km (0.089 R)
• M19: 19,189,517 km (0.06 R)
• M20: 20,993,668 km (0.104 R)
• M21: 22,360,843 km (0.102 R)
• M22: 22,908,221 km (0.117 R)
• M23: 23,705,727 km (0.068 R)
• M24: 24,521,634 km (0.095 R)
• M25: 27,258,378 km (0.104 R)
• M26: 29,533,462 km (0.077 R)
• M27: 33,432,431 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.8

Radius: 5

Gravity: 20.87 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.71 AU - 7.01 AU

Year: 9621 Days

Day: 19.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,800,716 km

• M1: 62,233 km (0.109 R)
• M2: 340,784 km (0.034 R)
• M3: 580,589 km (0.034 R)
• M4: 987,346 km (0.119 R)
• M5: 1,178,233 km (0.087 R)
• M6: 1,635,254 km (0.09 R)
• M7: 1,811,630 km (0.06 R)
• M8: 2,099,905 km (0.098 R)
• M9: 2,727,768 km (0.075 R)
• M10: 3,107,148 km (0.071 R)
• M11: 3,332,592 km (0.087 R)
• M12: 3,716,011 km (0.099 R)
• M13: 6,659,200 km (0.082 R)
• M14: 6,920,697 km (0.105 R)
• M15: 8,460,657 km (0.111 R)
• M16: 8,634,939 km (0.107 R)
• M17: 9,875,404 km (0.112 R)
• M18: 10,563,255 km (0.099 R)
• M19: 11,230,013 km (0.072 R)
• M20: 12,647,154 km (0.12 R)
• M21: 16,978,012 km (0.078 R)
• M22: 18,034,921 km (0.1 R)
• M23: 18,689,711 km (0.113 R)
• M24: 19,209,863 km (0.043 R)
• M25: 21,711,139 km (0.114 R)
• M26: 22,535,274 km (0.104 R)
• M27: 26,132,953 km (0.118 R)
• M28: 27,730,508 km (0.105 R)
• M29: 30,706,758 km (0.091 R)
• M30: 32,377,916 km (0.113 R)
• M31: 33,127,700 km (0.072 R)
• M32: 33,889,154 km (0.085 R)
• M33: 34,662,126 km (0.09 R)
• M34: 36,588,049 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.2

Radius: 6.7

Gravity: 14.89 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 5.5 AU - 7.04 AU

Year: 10649 Days

Day: 17.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,800,716 km

• M1: 83,476 km (0.044 R)
• M2: 313,856 km (0.092 R)
• M3: 1,014,722 km (0.053 R)
• M4: 1,265,448 km (0.082 R)
• M5: 1,571,974 km (0.067 R)
• M6: 5,320,299 km (0.107 R)
• M7: 6,122,143 km (0.118 R)
• M8: 9,056,655 km (0.092 R)
• M9: 11,371,533 km (0.04 R)
• M10: 12,814,703 km (0.045 R)
• M11: 13,056,453 km (0.115 R)
• M12: 14,182,028 km (0.106 R)
• M13: 17,424,113 km (0.11 R)
• M14: 20,961,205 km (0.045 R)
• M15: 21,979,518 km (0.088 R)
• M16: 22,852,870 km (0.03 R)
• M17: 24,949,185 km (0.107 R)
• M18: 27,770,900 km (0.077 R)
• M19: 32,001,977 km (0.056 R)
• M20: 32,335,580 km (0.089 R)
• M21: 34,154,391 km (0.107 R)
• M22: 35,681,486 km (0.082 R)
• M23: 37,499,399 km (0.042 R)
• M24: 38,243,499 km (0.099 R)
• M25: 39,378,199 km (0.109 R)
• M26: 40,535,189 km (0.065 R)
• M27: 48,539,722 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.4

Radius: 7.9

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.24 AU - 8.26 AU

Year: 14633 Days

Day: 23.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,800,716 km

• M1: 98,585 km (0.073 R)
• M2: 381,774 km (0.105 R)
• M3: 718,070 km (0.075 R)
• M4: 981,960 km (0.1 R)
• M5: 1,938,190 km (0.112 R)
• M6: 2,583,705 km (0.113 R)
• M7: 3,103,857 km (0.098 R)
• M8: 3,563,571 km (0.114 R)
• M9: 3,850,051 km (0.117 R)
• M10: 4,834,405 km (0.068 R)
• M11: 5,385,374 km (0.094 R)
• M12: 6,086,389 km (0.104 R)
• M13: 8,015,604 km (0.1 R)
• M14: 9,312,168 km (0.045 R)
• M15: 9,706,957 km (0.072 R)
• M16: 11,067,849 km (0.087 R)
• M17: 11,567,207 km (0.101 R)
• M18: 12,610,951 km (0.106 R)
• M19: 20,972,724 km (0.118 R)
• M20: 22,874,562 km (0.1 R)
• M21: 25,077,241 km (0.117 R)
• M22: 25,362,075 km (0.108 R)
• M23: 26,229,892 km (0.101 R)
• M24: 29,265,532 km (0.097 R)
• M25: 32,753,407 km (0.092 R)
• M26: 34,950,251 km (0.07 R)
• M27: 35,904,087 km (0.108 R)
• M28: 37,243,587 km (0.077 R)
• M29: 43,754,236 km (0.097 R)
• M30: 45,987,732 km (0.089 R)
• M31: 49,927,541 km (0.078 R)
• M32: 50,227,934 km (0.063 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.6

Radius: 5.2

Gravity: 22.58 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 9.36 AU - 10.4 AU

Year: 21063 Days

Day: 21 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,800,716 km

• M1: 145,110 km (0.06 R)
• M2: 386,710 km (0.054 R)
• M3: 756,068 km (0.085 R)
• M4: 1,474,137 km (0.04 R)
• M5: 3,396,021 km (0.104 R)
• M6: 4,353,148 km (0.102 R)
• M7: 5,021,701 km (0.106 R)
• M8: 7,927,790 km (0.059 R)
• M9: 10,349,330 km (0.115 R)
• M10: 11,532,649 km (0.048 R)
• M11: 12,596,590 km (0.057 R)
• M12: 14,995,092 km (0.117 R)
• M13: 15,227,118 km (0.054 R)
• M14: 17,940,525 km (0.089 R)
• M15: 20,767,775 km (0.101 R)
• M16: 21,347,317 km (0.082 R)
• M17: 28,215,355 km (0.1 R)
• M18: 29,527,329 km (0.036 R)
• M19: 30,383,028 km (0.086 R)
• M20: 32,788,861 km (0.092 R)
• M21: 34,910,757 km (0.073 R)
• M22: 35,455,294 km (0.059 R)
• M23: 36,700,995 km (0.108 R)
• M24: 37,832,554 km (0.114 R)
• M25: 43,369,619 km (0.067 R)
• M26: 44,156,953 km (0.114 R)
• M27: 46,412,141 km (0.086 R)
• M28: 49,252,406 km (0.091 R)
• M29: 54,543,384 km (0.072 R)
• M30: 59,424,912 km (0.061 R)
• M31: 63,574,009 km (0.038 R)
• M32: 70,694,269 km (0.115 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 15,430 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit