🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.3

Radius: 12.4

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.85 AU - 0.93 AU

Year: 580 Days

Day: 9 Hours

Environment

Temp: -174 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,157,835 km

• M1: 154,385 km (0.116 R)
• M2: 678,426 km (0.07 R)
• M3: 1,140,983 km (0.091 R)
• M4: 1,727,855 km (0.109 R)
• M5: 2,287,651 km (0.07 R)
• M6: 3,504,480 km (0.095 R)
• M7: 4,598,938 km (0.086 R)
• M8: 5,447,158 km (0.118 R)
• M9: 6,297,472 km (0.102 R)
• M10: 7,212,263 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469

Radius: 8.5

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.8 AU - 1.12 AU

Year: 649 Days

Day: 8.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,157,835 km

• M1: 105,766 km (0.086 R)
• M2: 403,765 km (0.118 R)
• M3: 853,456 km (0.062 R)
• M4: 1,163,722 km (0.12 R)
• M5: 1,443,919 km (0.09 R)
• M6: 1,722,470 km (0.105 R)
• M7: 1,993,840 km (0.085 R)
• M8: 2,440,091 km (0.111 R)
• M9: 2,806,306 km (0.088 R)
• M10: 3,173,120 km (0.114 R)
• M11: 3,636,874 km (0.085 R)
• M12: 3,989,326 km (0.054 R)
• M13: 4,319,938 km (0.088 R)
• M14: 4,684,358 km (0.034 R)
• M15: 5,052,818 km (0.077 R)
• M16: 6,804,459 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989

Radius: 10.7

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.74 AU - 1.22 AU

Year: 670 Days

Day: 14.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,157,835 km

• M1: 133,142 km (0.083 R)
• M2: 503,995 km (0.1 R)
• M3: 892,950 km (0.088 R)
• M4: 1,253,032 km (0.108 R)
• M5: 1,806,095 km (0.11 R)
• M6: 2,628,883 km (0.086 R)
• M7: 3,151,728 km (0.044 R)
• M8: 3,599,026 km (0.068 R)
• M9: 4,472,228 km (0.088 R)
• M10: 4,827,523 km (0.094 R)
• M11: 5,201,668 km (0.113 R)
• M12: 5,750,393 km (0.115 R)
• M13: 6,295,527 km (0.078 R)
• M14: 7,630,987 km (0.119 R)
• M15: 8,441,658 km (0.09 R)

Asteroid Belt

Center: 1.7 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.1

Radius: 11.4

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.36 AU - 2.46 AU

Year: 2582 Days

Day: 9.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,157,835 km

• M1: 141,819 km (0.079 R)
• M2: 981,512 km (0.052 R)
• M3: 2,051,436 km (0.079 R)
• M4: 2,756,341 km (0.1 R)
• M5: 3,125,698 km (0.092 R)
• M6: 3,670,085 km (0.115 R)
• M7: 4,138,775 km (0.107 R)
• M8: 4,542,240 km (0.111 R)
• M9: 7,224,380 km (0.076 R)
• M10: 7,602,713 km (0.055 R)
• M11: 7,994,211 km (0.034 R)
• M12: 10,303,254 km (0.11 R)
• M13: 11,124,846 km (0.03 R)
• M14: 12,813,806 km (0.051 R)
• M15: 13,763,902 km (0.096 R)
• M16: 14,301,556 km (0.115 R)
• M17: 14,806,599 km (0.034 R)
• M18: 15,707,178 km (0.062 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 817.6

Radius: 5.1

Gravity: 31.43 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.7 AU - 6.38 AU

Year: 10246 Days

Day: 18.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 42,157,835 km

• M1: 63,729 km (0.047 R)
• M2: 434,432 km (0.072 R)
• M3: 707,897 km (0.106 R)
• M4: 1,233,285 km (0.075 R)
• M5: 1,415,645 km (0.094 R)
• M6: 1,646,175 km (0.097 R)
• M7: 2,333,727 km (0.105 R)
• M8: 2,851,036 km (0.084 R)
• M9: 3,031,900 km (0.065 R)
• M10: 4,798,053 km (0.11 R)
• M11: 4,957,374 km (0.111 R)
• M12: 5,629,966 km (0.098 R)
• M13: 7,237,246 km (0.096 R)
• M14: 7,531,954 km (0.029 R)
• M15: 7,791,057 km (0.109 R)
• M16: 8,697,471 km (0.096 R)
• M17: 10,029,939 km (0.046 R)
• M18: 10,609,930 km (0.086 R)
• M19: 10,771,944 km (0.118 R)
• M20: 11,267,712 km (0.113 R)
• M21: 11,721,143 km (0.094 R)
• M22: 12,245,633 km (0.118 R)
• M23: 13,341,437 km (0.08 R)
• M24: 13,784,696 km (0.107 R)
• M25: 16,007,571 km (0.103 R)
• M26: 16,725,640 km (0.077 R)
• M27: 20,641,065 km (0.101 R)
• M28: 21,233,772 km (0.073 R)
• M29: 29,150,641 km (0.118 R)
• M30: 31,204,321 km (0.11 R)
• M31: 32,210,067 km (0.091 R)
• M32: 33,468,335 km (0.08 R)
• M33: 34,050,869 km (0.044 R)
• M34: 39,343,642 km (0.028 R)
• M35: 39,602,296 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 905.9

Radius: 5.5

Gravity: 29.95 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.48 AU - 9.14 AU

Year: 15066 Days

Day: 20.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 42,157,835 km

• M1: 68,516 km (0.112 R)
• M2: 279,000 km (0.081 R)
• M3: 484,847 km (0.093 R)
• M4: 803,939 km (0.111 R)
• M5: 1,504,955 km (0.096 R)
• M6: 1,684,322 km (0.082 R)
• M7: 1,914,853 km (0.104 R)
• M8: 2,880,357 km (0.088 R)
• M9: 3,291,153 km (0.102 R)
• M10: 3,682,052 km (0.072 R)
• M11: 4,691,240 km (0.092 R)
• M12: 5,259,562 km (0.085 R)
• M13: 5,676,192 km (0.044 R)
• M14: 8,295,052 km (0.112 R)
• M15: 9,613,907 km (0.113 R)
• M16: 11,311,993 km (0.115 R)
• M17: 11,877,173 km (0.081 R)
• M18: 13,406,961 km (0.065 R)
• M19: 18,431,954 km (0.033 R)
• M20: 19,479,438 km (0.086 R)
• M21: 21,692,290 km (0.066 R)
• M22: 23,157,302 km (0.113 R)
• M23: 23,761,378 km (0.08 R)
• M24: 25,850,811 km (0.064 R)
• M25: 26,282,850 km (0.11 R)
• M26: 28,059,474 km (0.099 R)
• M27: 38,574,110 km (0.091 R)
• M28: 43,091,218 km (0.115 R)
• M29: 46,185,201 km (0.093 R)
• M30: 48,928,976 km (0.106 R)
• M31: 53,506,820 km (0.077 R)
• M32: 54,384,810 km (0.068 R)
• M33: 55,629,913 km (0.114 R)
• M34: 58,547,221 km (0.118 R)
• M35: 61,949,226 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.6

Radius: 5.9

Gravity: 13.98 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.76 AU - 11.34 AU

Year: 20371 Days

Day: 20.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,157,835 km

• M1: 105,915 km (0.108 R)
• M2: 1,225,207 km (0.041 R)
• M3: 1,596,658 km (0.03 R)
• M4: 1,818,063 km (0.077 R)
• M5: 2,540,621 km (0.113 R)
• M6: 11,873,882 km (0.048 R)
• M7: 12,325,219 km (0.118 R)
• M8: 16,356,882 km (0.118 R)
• M9: 16,834,996 km (0.118 R)
• M10: 21,094,347 km (0.084 R)
• M11: 24,028,111 km (0.085 R)
• M12: 25,592,157 km (0.042 R)
• M13: 28,120,361 km (0.04 R)
• M14: 30,092,659 km (0.046 R)
• M15: 32,779,437 km (0.114 R)
• M16: 46,224,994 km (0.057 R)
• M17: 51,810,081 km (0.05 R)
• M18: 58,936,774 km (0.118 R)
• M19: 60,247,550 km (0.111 R)
• M20: 66,891,641 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98.7

Radius: 6.2

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 9.56 AU - 10.38 AU

Year: 21730 Days

Day: 20.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,157,835 km

• M1: 105,766 km (0.08 R)
• M2: 370,255 km (0.115 R)
• M3: 1,760,468 km (0.05 R)
• M4: 2,670,472 km (0.117 R)
• M5: 3,613,088 km (0.081 R)
• M6: 4,067,117 km (0.1 R)
• M7: 5,027,835 km (0.066 R)
• M8: 5,858,552 km (0.088 R)
• M9: 7,506,821 km (0.068 R)
• M10: 7,788,364 km (0.069 R)
• M11: 9,817,809 km (0.077 R)
• M12: 20,745,784 km (0.116 R)
• M13: 28,267,864 km (0.114 R)
• M14: 33,925,057 km (0.109 R)
• M15: 36,498,888 km (0.057 R)
• M16: 37,540,688 km (0.087 R)
• M17: 37,774,809 km (0.078 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 155 - 16,392 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit