🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147

Radius: 8.8

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.46 AU - 0.74 AU

Year: 327 Days

Day: 7.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,575,679 km

• M1: 109,506 km (0.091 R)
• M2: 417,827 km (0.11 R)
• M3: 710,141 km (0.11 R)
• M4: 1,008,888 km (0.073 R)
• M5: 1,334,114 km (0.119 R)
• M6: 1,660,387 km (0.069 R)
• M7: 2,099,756 km (0.091 R)
• M8: 2,522,370 km (0.113 R)
• M9: 2,932,717 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.7

Radius: 8.5

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.67 AU - 1.07 AU

Year: 570 Days

Day: 5.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,575,679 km

• M1: 105,766 km (0.059 R)
• M2: 401,072 km (0.101 R)
• M3: 800,498 km (0.062 R)
• M4: 1,102,536 km (0.061 R)
• M5: 1,584,241 km (0.104 R)
• M6: 1,848,581 km (0.076 R)
• M7: 2,379,653 km (0.056 R)
• M8: 2,807,354 km (0.106 R)
• M9: 3,123,903 km (0.092 R)
• M10: 3,396,470 km (0.112 R)
• M11: 3,829,257 km (0.1 R)
• M12: 4,193,827 km (0.083 R)
• M13: 4,458,615 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.9

Radius: 14.6

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.9 AU - 1.3 AU

Year: 811 Days

Day: 13.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,575,679 km

• M1: 181,761 km (0.098 R)
• M2: 636,838 km (0.047 R)
• M3: 1,111,213 km (0.066 R)
• M4: 1,726,359 km (0.072 R)
• M5: 2,313,082 km (0.102 R)
• M6: 2,970,864 km (0.088 R)
• M7: 3,694,768 km (0.119 R)
• M8: 4,199,511 km (0.07 R)
• M9: 4,699,767 km (0.11 R)
• M10: 5,441,623 km (0.111 R)
• M11: 5,919,588 km (0.107 R)
• M12: 7,386,844 km (0.076 R)
• M13: 8,669,945 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.7

Radius: 12.4

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.65 AU - 1.87 AU

Year: 1641 Days

Day: 5.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,575,679 km

• M1: 154,235 km (0.114 R)
• M2: 750,981 km (0.101 R)
• M3: 1,310,029 km (0.063 R)
• M4: 1,721,423 km (0.096 R)
• M5: 2,473,750 km (0.058 R)
• M6: 3,435,066 km (0.085 R)
• M7: 5,607,975 km (0.105 R)
• M8: 6,300,464 km (0.101 R)
• M9: 6,971,859 km (0.11 R)
• M10: 7,608,099 km (0.068 R)
• M11: 8,340,829 km (0.118 R)
• M12: 9,623,182 km (0.104 R)
• M13: 10,858,262 km (0.064 R)
• M14: 11,316,481 km (0.111 R)
• M15: 13,003,197 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.6

Radius: 10.7

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.4 AU - 2.9 AU

Year: 3032 Days

Day: 8.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,575,679 km

• M1: 133,142 km (0.114 R)
• M2: 480,658 km (0.076 R)
• M3: 909,256 km (0.102 R)
• M4: 1,715,738 km (0.06 R)
• M5: 2,157,351 km (0.076 R)
• M6: 2,552,738 km (0.071 R)
• M7: 3,435,814 km (0.115 R)
• M8: 4,228,533 km (0.103 R)
• M9: 5,411,105 km (0.11 R)
• M10: 5,771,486 km (0.117 R)
• M11: 6,175,400 km (0.104 R)
• M12: 6,540,569 km (0.115 R)
• M13: 7,407,787 km (0.063 R)
• M14: 8,349,955 km (0.08 R)
• M15: 9,044,986 km (0.042 R)
• M16: 10,275,579 km (0.112 R)
• M17: 11,197,101 km (0.115 R)
• M18: 12,129,246 km (0.074 R)
• M19: 13,020,849 km (0.076 R)
• M20: 13,435,983 km (0.085 R)
• M21: 15,543,219 km (0.104 R)
• M22: 16,274,304 km (0.087 R)
• M23: 18,145,623 km (0.064 R)
• M24: 21,025,831 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.6

Radius: 11.2

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.76 AU - 3.34 AU

Year: 3744 Days

Day: 10.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,575,679 km

• M1: 139,425 km (0.069 R)
• M2: 583,731 km (0.051 R)
• M3: 1,385,875 km (0.11 R)
• M4: 2,007,005 km (0.067 R)
• M5: 2,960,841 km (0.081 R)
• M6: 3,321,970 km (0.107 R)
• M7: 3,676,068 km (0.111 R)
• M8: 4,523,989 km (0.118 R)
• M9: 6,688,371 km (0.119 R)
• M10: 7,887,847 km (0.088 R)
• M11: 9,608,970 km (0.102 R)
• M12: 10,370,573 km (0.065 R)
• M13: 15,176,854 km (0.11 R)
• M14: 15,959,550 km (0.053 R)
• M15: 17,079,439 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.2

Radius: 10.7

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.03 AU - 3.33 AU

Year: 3986 Days

Day: 8.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 76,575,679 km

• M1: 137,630 km (0.115 R)
• M2: 601,982 km (0.099 R)
• M3: 989,141 km (0.071 R)
• M4: 1,871,170 km (0.095 R)
• M5: 2,303,807 km (0.093 R)
• M6: 3,434,618 km (0.06 R)
• M7: 4,850,113 km (0.061 R)
• M8: 5,306,236 km (0.073 R)
• M9: 7,706,534 km (0.052 R)
• M10: 8,179,712 km (0.117 R)
• M11: 9,800,456 km (0.057 R)
• M12: 11,437,954 km (0.11 R)
• M13: 12,151,237 km (0.101 R)
• M14: 12,743,046 km (0.117 R)
• M15: 14,744,516 km (0.07 R)
• M16: 15,191,215 km (0.113 R)
• M17: 17,252,674 km (0.033 R)
• M18: 18,127,223 km (0.1 R)
• M19: 18,965,569 km (0.094 R)
• M20: 19,964,584 km (0.036 R)
• M21: 21,564,383 km (0.11 R)
• M22: 22,067,780 km (0.102 R)
• M23: 24,083,312 km (0.108 R)
• M24: 24,547,215 km (0.052 R)
• M25: 25,333,951 km (0.113 R)
• M26: 25,894,494 km (0.098 R)
• M27: 27,290,392 km (0.066 R)
• M28: 27,964,480 km (0.054 R)
• M29: 29,345,717 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.8

Radius: 9.3

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.5 AU - 5.94 AU

Year: 8383 Days

Day: 10 Hours

Environment

Temp: -218 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,575,679 km

• M1: 115,789 km (0.081 R)
• M2: 412,292 km (0.103 R)
• M3: 1,089,820 km (0.091 R)
• M4: 1,561,503 km (0.108 R)
• M5: 1,939,237 km (0.039 R)
• M6: 2,239,331 km (0.083 R)
• M7: 2,537,778 km (0.092 R)
• M8: 4,263,539 km (0.074 R)
• M9: 8,089,206 km (0.097 R)
• M10: 11,916,667 km (0.108 R)
• M11: 15,646,591 km (0.089 R)
• M12: 18,716,489 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725.8

Radius: 7.1

Gravity: 14.4 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.41 AU - 8.63 AU

Year: 14496 Days

Day: 18.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,575,679 km

• M1: 89,460 km (0.116 R)
• M2: 1,388,119 km (0.095 R)
• M3: 1,932,356 km (0.043 R)
• M4: 2,273,738 km (0.102 R)
• M5: 3,028,758 km (0.1 R)
• M6: 4,555,405 km (0.096 R)
• M7: 8,575,698 km (0.091 R)
• M8: 11,182,441 km (0.113 R)
• M9: 12,409,592 km (0.087 R)
• M10: 17,016,010 km (0.118 R)
• M11: 21,069,963 km (0.093 R)
• M12: 27,633,120 km (0.118 R)
• M13: 28,179,601 km (0.109 R)
• M14: 33,922,664 km (0.079 R)
• M15: 39,703,873 km (0.103 R)
• M16: 45,651,436 km (0.075 R)
• M17: 54,696,721 km (0.046 R)
• M18: 55,557,956 km (0.1 R)
• M19: 58,554,103 km (0.03 R)
• M20: 59,093,852 km (0.055 R)
• M21: 59,455,430 km (0.075 R)
• M22: 60,366,032 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.8

Radius: 6.2

Gravity: 13.94 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.62 AU - 10.74 AU

Year: 22831 Days

Day: 23 Hours

Environment

Temp: -245 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,575,679 km

• M1: 77,791 km (0.093 R)
• M2: 577,298 km (0.117 R)
• M3: 1,161,328 km (0.072 R)
• M4: 3,245,825 km (0.091 R)
• M5: 4,374,990 km (0.05 R)
• M6: 6,074,870 km (0.073 R)
• M7: 7,330,595 km (0.065 R)
• M8: 7,571,896 km (0.097 R)
• M9: 9,639,488 km (0.097 R)
• M10: 10,833,429 km (0.074 R)
• M11: 13,013,968 km (0.043 R)
• M12: 22,270,635 km (0.102 R)
• M13: 30,950,603 km (0.075 R)
• M14: 38,514,570 km (0.11 R)
• M15: 55,104,226 km (0.061 R)
• M16: 59,840,046 km (0.118 R)
• M17: 61,213,205 km (0.059 R)
• M18: 70,545,120 km (0.056 R)
• M19: 71,856,794 km (0.191 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 13,439 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit