🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.7

Radius: 11.1

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.43 AU - 1.57 AU

Year: 1168 Days

Day: 14.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,182,759 km

• M1: 138,079 km (0.12 R)
• M2: 499,058 km (0.095 R)
• M3: 894,446 km (0.111 R)
• M4: 1,293,423 km (0.077 R)
• M5: 1,649,765 km (0.066 R)
• M6: 2,218,088 km (0.111 R)
• M7: 2,817,526 km (0.106 R)
• M8: 3,699,555 km (0.113 R)
• M9: 4,072,353 km (0.119 R)
• M10: 5,075,407 km (0.108 R)
• M11: 6,235,838 km (0.085 R)
• M12: 6,791,295 km (0.096 R)
• M13: 8,570,312 km (0.103 R)
• M14: 10,574,026 km (0.057 R)
• M15: 11,294,639 km (0.077 R)
• M16: 11,685,090 km (0.086 R)
• M17: 12,606,014 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.4

Radius: 10.8

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.72 AU - 2.78 AU

Year: 2900 Days

Day: 10.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,182,759 km

• M1: 134,339 km (0.081 R)
• M2: 487,988 km (0.116 R)
• M3: 1,670,111 km (0.064 R)
• M4: 2,146,879 km (0.112 R)
• M5: 2,601,806 km (0.112 R)
• M6: 3,247,022 km (0.034 R)
• M7: 3,932,928 km (0.102 R)
• M8: 4,642,022 km (0.106 R)
• M9: 5,304,890 km (0.085 R)
• M10: 5,808,287 km (0.052 R)
• M11: 9,798,062 km (0.097 R)
• M12: 10,153,058 km (0.059 R)
• M13: 11,099,414 km (0.06 R)
• M14: 14,443,525 km (0.101 R)
• M15: 16,344,315 km (0.058 R)
• M16: 17,817,106 km (0.059 R)
• M17: 18,887,330 km (0.104 R)
• M18: 22,971,800 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.9

Radius: 8.8

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.49 AU - 4.01 AU

Year: 4617 Days

Day: 7 Hours

Environment

Temp: -209 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,182,759 km

• M1: 109,506 km (0.101 R)
• M2: 419,772 km (0.087 R)
• M3: 756,217 km (0.039 R)
• M4: 1,061,546 km (0.095 R)
• M5: 1,479,673 km (0.11 R)
• M6: 1,761,365 km (0.103 R)
• M7: 2,180,539 km (0.103 R)
• M8: 2,941,693 km (0.117 R)
• M9: 3,831,351 km (0.097 R)
• M10: 4,124,563 km (0.095 R)
• M11: 5,259,412 km (0.072 R)
• M12: 5,697,136 km (0.097 R)
• M13: 6,562,859 km (0.108 R)
• M14: 6,926,980 km (0.089 R)
• M15: 7,634,727 km (0.077 R)
• M16: 8,260,645 km (0.036 R)
• M17: 11,873,733 km (0.107 R)
• M18: 12,843,127 km (0.071 R)
• M19: 14,653,111 km (0.116 R)
• M20: 15,817,432 km (0.069 R)
• M21: 16,168,388 km (0.113 R)
• M22: 17,677,831 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.8

Radius: 9.1

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.88 AU - 5.88 AU

Year: 9066 Days

Day: 13.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,182,759 km

• M1: 121,623 km (0.108 R)
• M2: 446,400 km (0.117 R)
• M3: 743,352 km (0.091 R)
• M4: 1,723,816 km (0.098 R)
• M5: 2,876,468 km (0.094 R)
• M6: 3,445,688 km (0.089 R)
• M7: 5,865,433 km (0.033 R)
• M8: 6,397,104 km (0.083 R)
• M9: 8,390,496 km (0.06 R)
• M10: 8,681,613 km (0.063 R)
• M11: 9,506,047 km (0.07 R)
• M12: 12,081,674 km (0.074 R)
• M13: 13,053,013 km (0.057 R)
• M14: 14,726,414 km (0.028 R)
• M15: 22,377,747 km (0.11 R)
• M16: 27,315,524 km (0.085 R)
• M17: 28,420,603 km (0.073 R)
• M18: 30,523,650 km (0.074 R)
• M19: 36,341,362 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.5

Radius: 14.5

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.65 AU - 6.19 AU

Year: 9158 Days

Day: 9.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,182,759 km

• M1: 180,265 km (0.111 R)
• M2: 663,766 km (0.087 R)
• M3: 1,240,166 km (0.103 R)
• M4: 1,870,871 km (0.099 R)
• M5: 2,831,140 km (0.064 R)
• M6: 3,794,400 km (0.038 R)
• M7: 4,394,138 km (0.093 R)
• M8: 6,021,015 km (0.104 R)
• M9: 6,877,912 km (0.101 R)
• M10: 7,375,325 km (0.081 R)
• M11: 8,020,540 km (0.118 R)
• M12: 8,659,323 km (0.073 R)
• M13: 9,517,117 km (0.069 R)
• M14: 10,883,843 km (0.104 R)
• M15: 12,489,627 km (0.064 R)
• M16: 13,349,366 km (0.114 R)
• M17: 14,004,754 km (0.099 R)
• M18: 16,034,199 km (0.117 R)
• M19: 17,468,394 km (0.097 R)
• M20: 32,485,178 km (0.116 R)
• M21: 33,345,665 km (0.098 R)
• M22: 35,676,699 km (0.117 R)
• M23: 39,192,697 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.7

Radius: 5.7

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.16 AU - 7.28 AU

Year: 9863 Days

Day: 15.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,182,759 km

• M1: 71,358 km (0.118 R)
• M2: 540,497 km (0.088 R)
• M3: 764,595 km (0.093 R)
• M4: 1,041,351 km (0.091 R)
• M5: 1,630,617 km (0.088 R)
• M6: 2,229,307 km (0.104 R)
• M7: 2,436,501 km (0.09 R)
• M8: 3,651,385 km (0.099 R)
• M9: 4,172,883 km (0.119 R)
• M10: 5,447,906 km (0.056 R)
• M11: 5,649,115 km (0.117 R)
• M12: 6,189,612 km (0.113 R)
• M13: 6,377,208 km (0.11 R)
• M14: 6,996,543 km (0.103 R)
• M15: 7,944,545 km (0.068 R)
• M16: 8,975,274 km (0.116 R)
• M17: 9,215,977 km (0.088 R)
• M18: 9,752,136 km (0.098 R)
• M19: 10,396,454 km (0.078 R)
• M20: 12,106,357 km (0.038 R)
• M21: 13,362,531 km (0.103 R)
• M22: 13,782,302 km (0.086 R)
• M23: 15,722,587 km (0.12 R)
• M24: 18,930,414 km (0.094 R)
• M25: 20,272,157 km (0.096 R)
• M26: 20,478,752 km (0.089 R)
• M27: 21,461,610 km (0.117 R)
• M28: 22,845,091 km (0.089 R)
• M29: 23,068,889 km (0.06 R)
• M30: 24,676,318 km (0.117 R)
• M31: 25,708,095 km (0.048 R)
• M32: 26,685,717 km (0.03 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.1

Radius: 5.8

Gravity: 20.57 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 8.38 AU - 9.74 AU

Year: 17339 Days

Day: 22.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,182,759 km

• M1: 74,201 km (0.117 R)
• M2: 306,227 km (0.11 R)
• M3: 540,348 km (0.115 R)
• M4: 742,305 km (0.115 R)
• M5: 1,018,911 km (0.098 R)
• M6: 2,773,694 km (0.111 R)
• M7: 3,361,763 km (0.107 R)
• M8: 3,968,084 km (0.083 R)
• M9: 4,921,920 km (0.09 R)
• M10: 5,979,277 km (0.118 R)
• M11: 7,934,671 km (0.095 R)
• M12: 9,109,613 km (0.054 R)
• M13: 9,489,143 km (0.1 R)
• M14: 11,297,930 km (0.086 R)
• M15: 12,185,345 km (0.052 R)
• M16: 12,646,106 km (0.109 R)
• M17: 21,494,372 km (0.115 R)
• M18: 21,780,852 km (0.097 R)
• M19: 23,756,142 km (0.048 R)
• M20: 24,997,056 km (0.056 R)
• M21: 27,945,780 km (0.047 R)
• M22: 29,210,929 km (0.086 R)
• M23: 31,118,451 km (0.12 R)
• M24: 34,523,000 km (0.104 R)
• M25: 35,444,672 km (0.098 R)
• M26: 39,867,085 km (0.061 R)
• M27: 41,468,380 km (0.093 R)
• M28: 43,567,837 km (0.103 R)
• M29: 45,894,682 km (0.079 R)
• M30: 52,848,290 km (0.116 R)
• M31: 53,544,967 km (0.043 R)
• M32: 68,383,730 km (0.034 R)
• M33: 69,210,856 km (0.029 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.8

Radius: 7.5

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 10.45 AU - 11.77 AU

Year: 23545 Days

Day: 25 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 75,182,759 km

• M1: 95,443 km (0.051 R)
• M2: 788,680 km (0.074 R)
• M3: 1,043,146 km (0.105 R)
• M4: 1,506,600 km (0.07 R)
• M5: 2,202,829 km (0.079 R)
• M6: 2,576,973 km (0.088 R)
• M7: 3,625,953 km (0.12 R)
• M8: 4,084,770 km (0.119 R)
• M9: 4,378,430 km (0.092 R)
• M10: 5,460,173 km (0.071 R)
• M11: 6,533,388 km (0.075 R)
• M12: 7,166,486 km (0.114 R)
• M13: 7,643,105 km (0.078 R)
• M14: 8,039,539 km (0.076 R)
• M15: 9,255,919 km (0.065 R)
• M16: 9,763,804 km (0.101 R)
• M17: 10,230,849 km (0.111 R)
• M18: 11,146,238 km (0.117 R)
• M19: 12,181,904 km (0.078 R)
• M20: 13,139,331 km (0.09 R)
• M21: 19,685,434 km (0.083 R)
• M22: 20,810,111 km (0.102 R)
• M23: 21,291,068 km (0.107 R)
• M24: 21,583,233 km (0.063 R)
• M25: 23,912,771 km (0.085 R)
• M26: 26,070,421 km (0.12 R)
• M27: 26,855,211 km (0.06 R)
• M28: 27,540,370 km (0.075 R)
• M29: 30,152,797 km (0.067 R)
• M30: 33,186,044 km (0.049 R)
• M31: 35,864,294 km (0.069 R)
• M32: 37,538,743 km (0.076 R)
• M33: 37,822,680 km (0.109 R)
• M34: 41,042,475 km (0.102 R)
• M35: 47,191,097 km (0.099 R)
• M36: 52,318,564 km (0.071 R)
• M37: 59,138,432 km (0.086 R)
• M38: 61,866,199 km (0.117 R)
• M39: 63,865,126 km (0.092 R)
• M40: 74,509,015 km (0.045 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 18,613 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit