🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.6

Radius: 13.9

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.54 AU - 0.76 AU

Year: 355 Days

Day: 8.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 36,809,631 km

• M1: 174,880 km (0.116 R)
• M2: 640,728 km (0.096 R)
• M3: 1,145,920 km (0.105 R)
• M4: 1,700,180 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.6

Radius: 10.6

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.34 AU - 2.02 AU

Year: 1477 Days

Day: 11.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,809,631 km

• M1: 131,945 km (0.103 R)
• M2: 481,556 km (0.093 R)
• M3: 826,379 km (0.066 R)
• M4: 1,201,271 km (0.08 R)
• M5: 1,802,355 km (0.077 R)
• M6: 2,274,935 km (0.076 R)
• M7: 2,635,017 km (0.069 R)
• M8: 3,139,012 km (0.077 R)
• M9: 3,621,465 km (0.088 R)
• M10: 3,988,279 km (0.076 R)
• M11: 4,399,075 km (0.071 R)
• M12: 5,551,727 km (0.113 R)
• M13: 6,041,211 km (0.098 R)
• M14: 8,000,195 km (0.096 R)
• M15: 8,473,971 km (0.085 R)
• M16: 9,380,385 km (0.085 R)
• M17: 9,907,568 km (0.118 R)
• M18: 10,524,061 km (0.119 R)
• M19: 11,683,145 km (0.101 R)
• M20: 13,578,400 km (0.079 R)
• M21: 14,167,816 km (0.078 R)
• M22: 14,512,340 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.6

Radius: 12.5

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.27 AU - 2.43 AU

Year: 2443 Days

Day: 14.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,809,631 km

• M1: 156,330 km (0.064 R)
• M2: 682,316 km (0.086 R)
• M3: 1,077,254 km (0.094 R)
• M4: 1,472,342 km (0.063 R)
• M5: 2,104,393 km (0.04 R)
• M6: 3,379,865 km (0.058 R)
• M7: 4,082,376 km (0.118 R)
• M8: 5,073,612 km (0.064 R)
• M9: 6,294,181 km (0.068 R)
• M10: 6,892,871 km (0.055 R)
• M11: 7,672,725 km (0.065 R)
• M12: 9,541,801 km (0.1 R)
• M13: 10,726,915 km (0.1 R)
• M14: 11,130,530 km (0.059 R)
• M15: 11,851,891 km (0.078 R)
• M16: 12,283,631 km (0.11 R)
• M17: 12,889,203 km (0.111 R)
• M18: 14,781,317 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.4

Radius: 11.3

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.5 AU - 3.28 AU

Year: 3332 Days

Day: 11.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,809,631 km

• M1: 140,622 km (0.07 R)
• M2: 674,088 km (0.078 R)
• M3: 1,084,884 km (0.107 R)
• M4: 2,601,956 km (0.111 R)
• M5: 3,407,092 km (0.098 R)
• M6: 3,876,978 km (0.104 R)
• M7: 4,505,738 km (0.1 R)
• M8: 4,947,950 km (0.108 R)
• M9: 7,583,116 km (0.113 R)
• M10: 8,658,725 km (0.104 R)
• M11: 9,441,122 km (0.081 R)
• M12: 11,146,986 km (0.092 R)
• M13: 12,110,995 km (0.113 R)
• M14: 12,496,359 km (0.038 R)
• M15: 13,868,022 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.6

Radius: 9.2

Gravity: 10.62 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.84 AU - 3.58 AU

Year: 3901 Days

Day: 10.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,809,631 km

• M1: 115,190 km (0.104 R)
• M2: 436,377 km (0.119 R)
• M3: 787,782 km (0.118 R)
• M4: 1,153,848 km (0.064 R)
• M5: 1,562,251 km (0.103 R)
• M6: 1,899,893 km (0.098 R)
• M7: 2,301,713 km (0.076 R)
• M8: 3,297,137 km (0.098 R)
• M9: 4,482,999 km (0.064 R)
• M10: 4,781,447 km (0.113 R)
• M11: 5,445,961 km (0.118 R)
• M12: 6,050,486 km (0.111 R)
• M13: 7,393,576 km (0.05 R)
• M14: 8,467,688 km (0.047 R)
• M15: 10,527,501 km (0.118 R)
• M16: 14,026,745 km (0.073 R)
• M17: 15,272,746 km (0.05 R)
• M18: 16,066,363 km (0.055 R)
• M19: 17,247,587 km (0.08 R)
• M20: 17,674,390 km (0.104 R)
• M21: 19,848,346 km (0.11 R)
• M22: 21,980,565 km (0.107 R)
• M23: 27,184,327 km (0.109 R)
• M24: 27,679,496 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.1

Radius: 13.2

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.14 AU - 3.36 AU

Year: 3974 Days

Day: 10.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,809,631 km

• M1: 171,290 km (0.036 R)
• M2: 621,130 km (0.095 R)
• M3: 1,228,199 km (0.106 R)
• M4: 2,005,509 km (0.034 R)
• M5: 2,498,584 km (0.095 R)
• M6: 3,421,902 km (0.082 R)
• M7: 4,041,985 km (0.109 R)
• M8: 4,488,086 km (0.094 R)
• M9: 5,707,009 km (0.119 R)
• M10: 6,774,240 km (0.093 R)
• M11: 7,755,752 km (0.097 R)
• M12: 9,382,928 km (0.105 R)
• M13: 10,778,377 km (0.114 R)
• M14: 12,356,485 km (0.062 R)
• M15: 13,663,522 km (0.096 R)
• M16: 14,512,489 km (0.095 R)
• M17: 15,851,540 km (0.092 R)
• M18: 16,729,380 km (0.041 R)
• M19: 18,138,143 km (0.118 R)
• M20: 18,968,561 km (0.063 R)
• M21: 20,092,490 km (0.111 R)
• M22: 22,985,713 km (0.048 R)
• M23: 24,570,253 km (0.095 R)
• M24: 25,507,933 km (0.117 R)
• M25: 27,123,440 km (0.114 R)
• M26: 27,537,677 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.1

Radius: 13.7

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.02 AU - 5.38 AU

Year: 8043 Days

Day: 12.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,809,631 km

• M1: 181,761 km (0.068 R)
• M2: 863,479 km (0.078 R)
• M3: 1,548,936 km (0.067 R)
• M4: 3,512,408 km (0.082 R)
• M5: 4,207,739 km (0.065 R)
• M6: 7,257,591 km (0.082 R)
• M7: 8,512,568 km (0.089 R)
• M8: 12,981,355 km (0.092 R)
• M9: 14,705,171 km (0.039 R)
• M10: 20,413,976 km (0.11 R)
• M11: 21,246,787 km (0.089 R)
• M12: 22,980,477 km (0.069 R)
• M13: 23,881,804 km (0.068 R)
• M14: 28,278,785 km (0.076 R)
• M15: 32,367,295 km (0.119 R)
• M16: 33,813,308 km (0.103 R)
• M17: 35,626,583 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62

Radius: 4.1

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.02 AU - 6.52 AU

Year: 9401 Days

Day: 22.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,809,631 km

• M1: 51,013 km (0.075 R)
• M2: 208,539 km (0.119 R)
• M3: 461,061 km (0.111 R)
• M4: 707,299 km (0.119 R)
• M5: 839,394 km (0.093 R)
• M6: 1,028,336 km (0.115 R)
• M7: 2,176,200 km (0.03 R)
• M8: 2,549,746 km (0.08 R)
• M9: 2,767,710 km (0.069 R)
• M10: 3,015,145 km (0.097 R)
• M11: 3,826,265 km (0.077 R)
• M12: 6,386,931 km (0.106 R)
• M13: 7,087,050 km (0.09 R)
• M14: 10,797,974 km (0.097 R)
• M15: 11,576,930 km (0.101 R)
• M16: 11,873,284 km (0.055 R)
• M17: 12,747,534 km (0.09 R)
• M18: 13,154,590 km (0.094 R)
• M19: 16,303,176 km (0.088 R)
• M20: 19,086,893 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612.1

Radius: 7.8

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.99 AU - 7.59 AU

Year: 12000 Days

Day: 23.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,809,631 km

• M1: 97,239 km (0.095 R)
• M2: 395,537 km (0.114 R)
• M3: 674,088 km (0.12 R)
• M4: 949,797 km (0.097 R)
• M5: 1,446,611 km (0.096 R)
• M6: 3,452,569 km (0.03 R)
• M7: 4,035,702 km (0.064 R)
• M8: 5,744,857 km (0.082 R)
• M9: 6,370,625 km (0.111 R)
• M10: 7,081,664 km (0.075 R)
• M11: 7,498,892 km (0.066 R)
• M12: 7,932,577 km (0.068 R)
• M13: 10,515,384 km (0.051 R)
• M14: 12,084,067 km (0.033 R)
• M15: 14,922,537 km (0.112 R)
• M16: 16,459,805 km (0.103 R)
• M17: 16,750,324 km (0.107 R)
• M18: 17,718,073 km (0.083 R)
• M19: 26,146,117 km (0.09 R)
• M20: 29,530,919 km (0.111 R)
• M21: 31,718,489 km (0.114 R)
• M22: 34,483,356 km (0.088 R)
• M23: 41,685,746 km (0.092 R)
• M24: 43,320,103 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 64.3

Radius: 4.3

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 9.82 AU - 10.5 AU

Year: 21965 Days

Day: 24.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,809,631 km

• M1: 53,556 km (0.082 R)
• M2: 198,516 km (0.118 R)
• M3: 338,839 km (0.055 R)
• M4: 477,816 km (0.102 R)
• M5: 860,337 km (0.07 R)
• M6: 1,035,965 km (0.045 R)
• M7: 1,213,239 km (0.058 R)
• M8: 1,472,791 km (0.09 R)
• M9: 2,549,896 km (0.113 R)
• M10: 4,118,429 km (0.034 R)
• M11: 4,675,681 km (0.119 R)
• M12: 6,168,818 km (0.059 R)
• M13: 6,543,112 km (0.097 R)
• M14: 7,188,028 km (0.09 R)
• M15: 8,561,636 km (0.073 R)
• M16: 9,288,083 km (0.106 R)
• M17: 10,241,171 km (0.062 R)
• M18: 11,257,539 km (0.118 R)
• M19: 15,068,994 km (0.109 R)
• M20: 22,151,705 km (0.088 R)
• M21: 23,188,568 km (0.085 R)
• M22: 24,592,843 km (0.051 R)
• M23: 25,187,195 km (0.107 R)
• M24: 25,965,403 km (0.106 R)
• M25: 26,581,597 km (0.052 R)
• M26: 28,303,319 km (0.059 R)
• M27: 30,875,804 km (0.117 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: 394 - 12,787 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit