🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.7

Radius: 14.5

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.83 AU - 0.83 AU

Year: 504 Days

Day: 9 Hours

Environment

Temp: -177 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,421,972 km

• M1: 180,265 km (0.066 R)
• M2: 651,200 km (0.112 R)
• M3: 1,151,156 km (0.076 R)
• M4: 1,804,300 km (0.077 R)
• M5: 2,276,580 km (0.114 R)
• M6: 2,727,468 km (0.037 R)
• M7: 3,270,957 km (0.076 R)
• M8: 4,197,417 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.8

Radius: 13.8

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.16 AU - 1.5 AU

Year: 1023 Days

Day: 8.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 149.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,421,972 km

• M1: 171,589 km (0.096 R)
• M2: 614,847 km (0.112 R)
• M3: 1,284,148 km (0.067 R)
• M4: 1,734,887 km (0.1 R)
• M5: 2,384,590 km (0.107 R)
• M6: 2,878,263 km (0.117 R)
• M7: 3,485,630 km (0.11 R)
• M8: 4,351,204 km (0.05 R)
• M9: 6,100,452 km (0.112 R)
• M10: 6,721,283 km (0.108 R)
• M11: 7,207,925 km (0.075 R)
• M12: 9,395,943 km (0.087 R)
• M13: 10,805,604 km (0.116 R)
• M14: 11,612,984 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259

Radius: 10.5

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.09 AU - 1.73 AU

Year: 1116 Days

Day: 12.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,421,972 km

• M1: 130,898 km (0.119 R)
• M2: 813,214 km (0.12 R)
• M3: 1,274,574 km (0.1 R)
• M4: 2,042,310 km (0.1 R)
• M5: 3,439,405 km (0.082 R)
• M6: 3,999,050 km (0.12 R)
• M7: 4,537,752 km (0.091 R)
• M8: 6,088,334 km (0.088 R)
• M9: 6,469,360 km (0.05 R)
• M10: 7,368,593 km (0.058 R)
• M11: 7,989,274 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556

Radius: 13.8

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.73 AU - 1.95 AU

Year: 1664 Days

Day: 11.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,421,972 km

• M1: 171,589 km (0.091 R)
• M2: 692,040 km (0.11 R)
• M3: 1,161,179 km (0.076 R)
• M4: 1,714,392 km (0.088 R)
• M5: 2,182,783 km (0.114 R)
• M6: 2,645,339 km (0.052 R)
• M7: 3,100,266 km (0.076 R)
• M8: 3,977,059 km (0.078 R)
• M9: 4,713,979 km (0.101 R)
• M10: 5,282,899 km (0.097 R)
• M11: 6,461,730 km (0.07 R)
• M12: 6,985,024 km (0.078 R)
• M13: 7,644,750 km (0.114 R)
• M14: 8,145,305 km (0.112 R)
• M15: 9,150,752 km (0.116 R)
• M16: 9,747,797 km (0.051 R)
• M17: 10,370,723 km (0.12 R)
• M18: 12,249,822 km (0.097 R)
• M19: 13,448,998 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.5

Radius: 8.7

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.06 AU - 6.32 AU

Year: 9051 Days

Day: 9 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,421,972 km

• M1: 108,159 km (0.103 R)
• M2: 443,558 km (0.116 R)
• M3: 768,933 km (0.097 R)
• M4: 1,152,352 km (0.118 R)
• M5: 1,484,460 km (0.078 R)
• M6: 1,837,959 km (0.107 R)
• M7: 2,414,061 km (0.054 R)
• M8: 2,698,297 km (0.065 R)
• M9: 3,004,972 km (0.108 R)
• M10: 3,313,593 km (0.081 R)
• M11: 3,688,934 km (0.073 R)
• M12: 4,343,724 km (0.083 R)
• M13: 4,766,936 km (0.115 R)
• M14: 5,696,238 km (0.102 R)
• M15: 6,106,435 km (0.099 R)
• M16: 10,594,671 km (0.101 R)
• M17: 11,264,720 km (0.083 R)
• M18: 11,560,475 km (0.081 R)
• M19: 12,064,919 km (0.109 R)
• M20: 12,795,704 km (0.114 R)
• M21: 13,335,603 km (0.115 R)
• M22: 16,202,945 km (0.103 R)
• M23: 16,834,847 km (0.062 R)
• M24: 18,418,490 km (0.114 R)
• M25: 18,829,286 km (0.091 R)
• M26: 19,955,159 km (0.1 R)
• M27: 20,315,989 km (0.112 R)
• M28: 23,843,058 km (0.092 R)
• M29: 25,751,029 km (0.106 R)
• M30: 26,437,833 km (0.046 R)
• M31: 31,106,484 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 330.9

Radius: 3.1

Gravity: 34.43 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 7.02 AU - 9.64 AU

Year: 16032 Days

Day: 20.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,421,972 km

• M1: 38,596 km (0.111 R)
• M2: 192,233 km (0.076 R)
• M3: 543,040 km (0.068 R)
• M4: 681,418 km (0.086 R)
• M5: 795,561 km (0.059 R)
• M6: 996,621 km (0.05 R)
• M7: 1,587,084 km (0.086 R)
• M8: 2,264,762 km (0.062 R)
• M9: 2,604,200 km (0.073 R)
• M10: 2,710,115 km (0.037 R)
• M11: 3,022,326 km (0.086 R)
• M12: 3,962,698 km (0.105 R)
• M13: 4,217,912 km (0.112 R)
• M14: 4,334,748 km (0.107 R)
• M15: 4,667,454 km (0.1 R)
• M16: 6,747,612 km (0.089 R)
• M17: 7,487,972 km (0.059 R)
• M18: 9,323,687 km (0.116 R)
• M19: 12,607,061 km (0.113 R)
• M20: 12,972,529 km (0.099 R)
• M21: 14,571,431 km (0.118 R)
• M22: 18,935,051 km (0.106 R)
• M23: 23,541,020 km (0.055 R)
• M24: 24,374,879 km (0.095 R)
• M25: 28,319,475 km (0.094 R)
• M26: 30,333,811 km (0.109 R)
• M27: 32,215,153 km (0.088 R)
• M28: 32,441,495 km (0.099 R)
• M29: 36,698,901 km (0.12 R)
• M30: 38,323,384 km (0.038 R)
• M31: 40,519,182 km (0.061 R)
• M32: 43,345,534 km (0.101 R)
• M33: 43,621,393 km (0.118 R)
• M34: 43,759,771 km (0.091 R)
• M35: 43,898,298 km (0.03 R)
• M36: 45,442,896 km (0.034 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 694.4

Radius: 7.2

Gravity: 13.4 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.53 AU - 8.87 AU

Year: 17112 Days

Day: 17.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,421,972 km

• M1: 90,656 km (0.045 R)
• M2: 340,784 km (0.115 R)
• M3: 656,585 km (0.089 R)
• M4: 904,918 km (0.09 R)
• M5: 1,750,145 km (0.07 R)
• M6: 2,239,929 km (0.097 R)
• M7: 3,380,313 km (0.088 R)
• M8: 4,139,373 km (0.11 R)
• M9: 4,426,900 km (0.075 R)
• M10: 5,636,249 km (0.116 R)
• M11: 6,442,731 km (0.073 R)
• M12: 9,002,650 km (0.115 R)
• M13: 9,377,692 km (0.085 R)
• M14: 10,448,514 km (0.107 R)
• M15: 10,802,911 km (0.114 R)
• M16: 13,237,168 km (0.087 R)
• M17: 13,863,235 km (0.068 R)
• M18: 14,950,063 km (0.044 R)
• M19: 16,565,720 km (0.089 R)
• M20: 17,872,308 km (0.103 R)
• M21: 18,465,015 km (0.085 R)
• M22: 21,154,485 km (0.115 R)
• M23: 26,415,842 km (0.118 R)
• M24: 28,308,854 km (0.075 R)
• M25: 30,409,956 km (0.098 R)
• M26: 30,649,612 km (0.094 R)
• M27: 32,612,785 km (0.07 R)
• M28: 42,939,825 km (0.079 R)
• M29: 45,550,158 km (0.12 R)
• M30: 49,578,081 km (0.057 R)
• M31: 50,076,840 km (0.12 R)
• M32: 52,793,537 km (0.087 R)
• M33: 53,662,252 km (0.082 R)
• M34: 58,889,800 km (0.117 R)
• M35: 65,638,459 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.5

Radius: 7

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 8.35 AU - 9.21 AU

Year: 17349 Days

Day: 22.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,421,972 km

• M1: 99,483 km (0.058 R)
• M2: 457,919 km (0.115 R)
• M3: 692,489 km (0.067 R)
• M4: 924,365 km (0.119 R)
• M5: 1,171,800 km (0.109 R)
• M6: 1,463,965 km (0.073 R)
• M7: 1,993,541 km (0.094 R)
• M8: 2,332,530 km (0.073 R)
• M9: 2,821,266 km (0.054 R)
• M10: 3,150,980 km (0.047 R)
• M11: 3,859,475 km (0.117 R)
• M12: 5,166,213 km (0.072 R)
• M13: 5,807,838 km (0.104 R)
• M14: 7,643,105 km (0.072 R)
• M15: 9,062,489 km (0.026 R)
• M16: 10,047,442 km (0.11 R)
• M17: 11,332,936 km (0.12 R)
• M18: 13,363,727 km (0.093 R)
• M19: 14,226,458 km (0.055 R)
• M20: 16,432,728 km (0.071 R)
• M21: 18,531,885 km (0.12 R)
• M22: 19,603,754 km (0.106 R)
• M23: 26,709,353 km (0.058 R)
• M24: 27,544,558 km (0.096 R)
• M25: 31,750,652 km (0.12 R)
• M26: 32,805,915 km (0.114 R)
• M27: 33,642,766 km (0.097 R)
• M28: 52,691,512 km (0.116 R)
• M29: 57,552,096 km (0.055 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 735.6

Radius: 3.6

Gravity: 56.76 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.86 AU - 10.58 AU

Year: 18669 Days

Day: 20.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,421,972 km

• M1: 211,980 km (0.104 R)
• M2: 372,798 km (0.094 R)
• M3: 539,001 km (0.096 R)
• M4: 880,683 km (0.107 R)
• M5: 1,010,085 km (0.1 R)
• M6: 1,249,292 km (0.12 R)
• M7: 1,954,197 km (0.061 R)
• M8: 2,155,107 km (0.067 R)
• M9: 3,261,084 km (0.072 R)
• M10: 3,543,974 km (0.091 R)
• M11: 4,698,570 km (0.031 R)
• M12: 5,594,661 km (0.102 R)
• M13: 6,510,948 km (0.108 R)
• M14: 9,397,888 km (0.088 R)
• M15: 9,566,784 km (0.092 R)
• M16: 10,992,900 km (0.102 R)
• M17: 13,247,041 km (0.09 R)
• M18: 16,110,195 km (0.117 R)
• M19: 16,271,461 km (0.108 R)
• M20: 16,596,986 km (0.112 R)
• M21: 16,761,544 km (0.082 R)
• M22: 18,116,302 km (0.096 R)
• M23: 20,565,070 km (0.055 R)
• M24: 24,161,103 km (0.084 R)
• M25: 33,082,821 km (0.038 R)
• M26: 41,657,023 km (0.102 R)
• M27: 49,022,325 km (0.088 R)
• M28: 57,022,220 km (0.11 R)
• M29: 65,643,546 km (0.037 R)
• M30: 66,054,790 km (0.047 R)
• M31: 71,776,460 km (0.109 R)
• M32: 72,212,837 km (0.108 R)
• M33: 72,651,159 km (0.195 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 11,296 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit