🌌 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: 687.1

Radius: 14.1

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.56 AU - 0.64 AU

Year: 310 Days

Day: 11.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,871,870 km

• M1: 175,329 km (0.065 R)
• M2: 639,680 km (0.117 R)
• M3: 1,210,097 km (0.117 R)
• M4: 1,653,505 km (0.056 R)
• M5: 2,129,526 km (0.098 R)
• M6: 3,105,502 km (0.079 R)
• M7: 3,913,779 km (0.032 R)
• M8: 4,598,788 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.2

Radius: 8.7

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.55 AU - 0.75 AU

Year: 349 Days

Day: 7.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,871,870 km

• M1: 108,159 km (0.074 R)
• M2: 421,716 km (0.117 R)
• M3: 707,897 km (0.098 R)
• M4: 994,078 km (0.102 R)
• M5: 1,602,941 km (0.075 R)
• M6: 2,365,292 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.1

Radius: 8

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.86 AU - 1.3 AU

Year: 748 Days

Day: 8.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 106.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,871,870 km

• M1: 99,632 km (0.062 R)
• M2: 413,339 km (0.114 R)
• M3: 900,130 km (0.073 R)
• M4: 1,343,538 km (0.109 R)
• M5: 1,698,534 km (0.119 R)
• M6: 2,154,808 km (0.067 R)
• M7: 2,499,032 km (0.076 R)
• M8: 3,116,124 km (0.108 R)
• M9: 3,600,073 km (0.094 R)
• M10: 4,435,128 km (0.081 R)
• M11: 4,717,868 km (0.087 R)
• M12: 5,065,833 km (0.107 R)
• M13: 5,562,647 km (0.112 R)
• M14: 5,872,165 km (0.115 R)
• M15: 6,172,857 km (0.074 R)
• M16: 6,870,581 km (0.04 R)
• M17: 7,249,962 km (0.039 R)
• M18: 7,572,794 km (0.11 R)
• M19: 8,124,062 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.2

Radius: 14.1

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.3 AU - 1.32 AU

Year: 1000 Days

Day: 12.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,871,870 km

• M1: 175,329 km (0.115 R)
• M2: 700,417 km (0.096 R)
• M3: 1,241,513 km (0.114 R)
• M4: 2,720,886 km (0.03 R)
• M5: 3,232,361 km (0.026 R)
• M6: 3,808,313 km (0.091 R)
• M7: 4,577,096 km (0.076 R)
• M8: 5,168,307 km (0.07 R)
• M9: 5,791,831 km (0.048 R)
• M10: 7,040,824 km (0.062 R)
• M11: 7,583,864 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.4

Radius: 12.5

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.6 AU - 1.6 AU

Year: 1350 Days

Day: 14.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,871,870 km

• M1: 160,070 km (0.115 R)
• M2: 548,875 km (0.041 R)
• M3: 999,463 km (0.109 R)
• M4: 1,446,312 km (0.075 R)
• M5: 2,070,285 km (0.101 R)
• M6: 2,610,632 km (0.082 R)
• M7: 3,928,440 km (0.076 R)
• M8: 5,417,986 km (0.036 R)
• M9: 6,336,966 km (0.101 R)
• M10: 7,179,950 km (0.098 R)
• M11: 10,514,935 km (0.09 R)
• M12: 11,384,248 km (0.041 R)
• M13: 11,978,152 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.2

Radius: 8.4

Gravity: 12.29 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.6 AU - 2.08 AU

Year: 1664 Days

Day: 13.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,871,870 km

• M1: 104,868 km (0.107 R)
• M2: 391,198 km (0.039 R)
• M3: 1,124,527 km (0.064 R)
• M4: 1,534,126 km (0.12 R)
• M5: 1,882,540 km (0.115 R)
• M6: 2,159,744 km (0.031 R)
• M7: 2,641,300 km (0.088 R)
• M8: 2,930,323 km (0.094 R)
• M9: 3,321,671 km (0.057 R)
• M10: 3,729,774 km (0.072 R)
• M11: 4,524,288 km (0.087 R)
• M12: 4,983,404 km (0.099 R)
• M13: 5,268,987 km (0.05 R)
• M14: 6,292,834 km (0.117 R)
• M15: 7,219,593 km (0.063 R)
• M16: 8,114,039 km (0.1 R)
• M17: 9,145,367 km (0.088 R)
• M18: 10,121,642 km (0.116 R)
• M19: 10,509,550 km (0.12 R)
• M20: 11,165,835 km (0.049 R)
• M21: 11,887,795 km (0.064 R)
• M22: 12,319,833 km (0.072 R)
• M23: 13,298,802 km (0.092 R)
• M24: 13,636,295 km (0.081 R)
• M25: 15,089,788 km (0.043 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.6

Radius: 10.3

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.95 AU - 5.51 AU

Year: 6860 Days

Day: 6.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,871,870 km

• M1: 138,079 km (0.092 R)
• M2: 547,079 km (0.079 R)
• M3: 919,279 km (0.113 R)
• M4: 1,297,762 km (0.052 R)
• M5: 1,646,624 km (0.034 R)
• M6: 2,017,327 km (0.118 R)
• M7: 2,571,887 km (0.052 R)
• M8: 3,302,523 km (0.036 R)
• M9: 3,748,623 km (0.045 R)
• M10: 4,589,962 km (0.085 R)
• M11: 4,965,004 km (0.077 R)
• M12: 5,333,613 km (0.119 R)
• M13: 5,663,925 km (0.08 R)
• M14: 6,305,550 km (0.097 R)
• M15: 6,833,780 km (0.116 R)
• M16: 7,391,481 km (0.09 R)
• M17: 9,445,460 km (0.094 R)
• M18: 10,432,656 km (0.096 R)
• M19: 11,261,877 km (0.1 R)
• M20: 12,181,455 km (0.039 R)
• M21: 12,659,720 km (0.103 R)
• M22: 14,752,893 km (0.057 R)
• M23: 15,296,532 km (0.025 R)
• M24: 15,629,088 km (0.102 R)
• M25: 16,539,541 km (0.094 R)
• M26: 18,528,594 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.7

Radius: 8.4

Gravity: 13.96 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.9 AU - 5.84 AU

Year: 8298 Days

Day: 9.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,871,870 km

• M1: 105,616 km (0.081 R)
• M2: 382,522 km (0.089 R)
• M3: 676,930 km (0.104 R)
• M4: 1,173,446 km (0.072 R)
• M5: 1,443,619 km (0.105 R)
• M6: 2,165,728 km (0.071 R)
• M7: 2,888,735 km (0.108 R)
• M8: 5,375,949 km (0.081 R)
• M9: 8,793,363 km (0.11 R)
• M10: 10,555,626 km (0.116 R)
• M11: 14,634,262 km (0.098 R)
• M12: 15,225,024 km (0.072 R)
• M13: 17,382,076 km (0.109 R)
• M14: 24,693,223 km (0.088 R)
• M15: 31,818,869 km (0.101 R)
• M16: 34,622,333 km (0.088 R)
• M17: 37,221,895 km (0.1 R)
• M18: 39,067,185 km (0.045 R)
• M19: 42,806,234 km (0.026 R)
• M20: 47,059,601 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 835.9

Radius: 7.4

Gravity: 15.26 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 8.3 AU - 10.72 AU

Year: 19557 Days

Day: 18.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 74,871,870 km

• M1: 92,003 km (0.116 R)
• M2: 325,974 km (0.048 R)
• M3: 713,133 km (0.119 R)
• M4: 1,143,676 km (0.103 R)
• M5: 2,043,507 km (0.106 R)
• M6: 2,592,830 km (0.095 R)
• M7: 3,154,271 km (0.116 R)
• M8: 3,825,068 km (0.06 R)
• M9: 6,105,089 km (0.113 R)
• M10: 7,190,422 km (0.085 R)
• M11: 7,778,940 km (0.069 R)
• M12: 8,775,860 km (0.105 R)
• M13: 9,505,299 km (0.076 R)
• M14: 10,153,656 km (0.063 R)
• M15: 11,084,753 km (0.108 R)
• M16: 12,413,183 km (0.108 R)
• M17: 16,275,500 km (0.088 R)
• M18: 21,363,025 km (0.063 R)
• M19: 21,964,109 km (0.085 R)
• M20: 24,918,817 km (0.089 R)
• M21: 27,536,181 km (0.109 R)
• M22: 28,729,224 km (0.075 R)
• M23: 29,584,625 km (0.102 R)
• M24: 30,709,301 km (0.095 R)
• M25: 32,514,798 km (0.065 R)
• M26: 34,253,873 km (0.113 R)
• M27: 35,354,315 km (0.061 R)
• M28: 39,691,157 km (0.1 R)
• M29: 43,886,181 km (0.062 R)
• M30: 44,369,681 km (0.086 R)
• M31: 50,806,878 km (0.088 R)
• M32: 52,780,223 km (0.111 R)
• M33: 58,810,513 km (0.038 R)
• M34: 63,007,930 km (0.117 R)
• M35: 64,243,010 km (0.094 R)
• M36: 69,781,273 km (0.077 R)
• M37: 70,881,566 km (0.119 R)
• M38: 72,891,263 km (0.104 R)
• M39: 79,386,204 km (0.053 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 444.7

Radius: 7.4

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 8.81 AU - 13.13 AU

Year: 24229 Days

Day: 20.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,871,870 km

• M1: 92,152 km (0.062 R)
• M2: 324,777 km (0.077 R)
• M3: 1,973,046 km (0.073 R)
• M4: 3,523,179 km (0.11 R)
• M5: 4,359,432 km (0.083 R)
• M6: 5,553,522 km (0.084 R)
• M7: 8,156,973 km (0.098 R)
• M8: 9,217,024 km (0.096 R)
• M9: 10,011,688 km (0.101 R)
• M10: 10,974,799 km (0.106 R)
• M11: 11,543,121 km (0.1 R)
• M12: 12,331,053 km (0.091 R)
• M13: 12,738,259 km (0.111 R)
• M14: 16,899,174 km (0.105 R)
• M15: 17,401,673 km (0.066 R)
• M16: 17,828,027 km (0.092 R)
• M17: 19,603,305 km (0.085 R)
• M18: 19,972,064 km (0.107 R)
• M19: 21,590,862 km (0.092 R)
• M20: 22,182,671 km (0.119 R)
• M21: 22,683,824 km (0.094 R)
• M22: 23,917,708 km (0.119 R)
• M23: 24,444,890 km (0.107 R)
• M24: 26,183,667 km (0.118 R)
• M25: 28,707,083 km (0.073 R)
• M26: 33,178,414 km (0.037 R)
• M27: 34,231,434 km (0.054 R)
• M28: 36,961,445 km (0.096 R)
• M29: 37,807,870 km (0.093 R)
• M30: 39,980,480 km (0.034 R)
• M31: 44,414,411 km (0.038 R)
• M32: 45,531,608 km (0.094 R)
• M33: 57,943,294 km (0.1 R)
• M34: 60,825,746 km (0.08 R)
• M35: 61,807,407 km (0.076 R)
• M36: 69,402,491 km (0.118 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: 544 - 19,620 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit