🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.2

Radius: 13.6

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.27 AU - 1.97 AU

Year: 1311 Days

Day: 5.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 115.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,951,738 km

• M1: 169,195 km (0.059 R)
• M2: 606,619 km (0.094 R)
• M3: 1,140,833 km (0.048 R)
• M4: 1,602,343 km (0.079 R)
• M5: 2,158,847 km (0.059 R)
• M6: 2,616,317 km (0.086 R)
• M7: 3,153,074 km (0.091 R)
• M8: 3,591,845 km (0.093 R)
• M9: 4,345,220 km (0.067 R)
• M10: 5,442,819 km (0.116 R)
• M11: 6,577,220 km (0.059 R)
• M12: 7,400,457 km (0.072 R)
• M13: 7,916,271 km (0.05 R)
• M14: 8,346,065 km (0.073 R)
• M15: 8,905,262 km (0.106 R)
• M16: 10,413,657 km (0.042 R)
• M17: 10,865,144 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.7

Radius: 8.8

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.53 AU - 2.51 AU

Year: 1825 Days

Day: 9.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,951,738 km

• M1: 110,254 km (0.093 R)
• M2: 444,006 km (0.1 R)
• M3: 776,712 km (0.09 R)
• M4: 1,116,898 km (0.111 R)
• M5: 1,634,506 km (0.111 R)
• M6: 2,315,925 km (0.11 R)
• M7: 2,863,303 km (0.085 R)
• M8: 3,494,307 km (0.114 R)
• M9: 3,835,241 km (0.092 R)
• M10: 4,113,642 km (0.093 R)
• M11: 4,512,021 km (0.074 R)
• M12: 4,860,435 km (0.067 R)
• M13: 5,590,772 km (0.107 R)
• M14: 6,644,689 km (0.109 R)
• M15: 6,999,834 km (0.089 R)
• M16: 7,293,046 km (0.086 R)
• M17: 8,302,981 km (0.111 R)
• M18: 9,199,222 km (0.109 R)
• M19: 10,662,289 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924

Radius: 14.6

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.21 AU - 3.63 AU

Year: 3173 Days

Day: 13.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 161.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,951,738 km

• M1: 182,958 km (0.12 R)
• M2: 990,488 km (0.068 R)
• M3: 1,566,290 km (0.063 R)
• M4: 2,236,339 km (0.095 R)
• M5: 2,769,356 km (0.052 R)
• M6: 3,293,696 km (0.105 R)
• M7: 4,032,261 km (0.063 R)
• M8: 4,758,110 km (0.07 R)
• M9: 7,116,670 km (0.114 R)
• M10: 8,145,305 km (0.082 R)
• M11: 9,120,234 km (0.081 R)
• M12: 11,432,868 km (0.052 R)
• M13: 13,517,364 km (0.093 R)
• M14: 14,936,001 km (0.093 R)
• M15: 17,362,927 km (0.078 R)
• M16: 18,853,670 km (0.077 R)
• M17: 19,851,488 km (0.113 R)
• M18: 20,363,412 km (0.072 R)
• M19: 21,952,590 km (0.106 R)
• M20: 23,480,583 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.3

Radius: 10

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.64 AU - 4.28 AU

Year: 5010 Days

Day: 11.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 37,951,738 km

• M1: 133,890 km (0.114 R)
• M2: 486,642 km (0.108 R)
• M3: 1,017,864 km (0.077 R)
• M4: 1,441,675 km (0.097 R)
• M5: 1,828,385 km (0.097 R)
• M6: 2,480,482 km (0.109 R)
• M7: 2,983,879 km (0.075 R)
• M8: 3,575,838 km (0.115 R)
• M9: 4,318,143 km (0.088 R)
• M10: 5,329,424 km (0.118 R)
• M11: 6,170,314 km (0.057 R)
• M12: 6,925,185 km (0.084 R)
• M13: 7,342,862 km (0.093 R)
• M14: 7,740,493 km (0.117 R)
• M15: 8,267,227 km (0.11 R)
• M16: 10,617,110 km (0.111 R)
• M17: 13,168,801 km (0.066 R)
• M18: 14,195,342 km (0.052 R)
• M19: 14,699,786 km (0.112 R)
• M20: 15,923,497 km (0.106 R)
• M21: 16,652,637 km (0.038 R)
• M22: 17,595,103 km (0.12 R)
• M23: 17,981,814 km (0.051 R)
• M24: 18,374,209 km (0.115 R)
• M25: 19,176,353 km (0.096 R)
• M26: 20,922,160 km (0.083 R)
• M27: 22,019,161 km (0.075 R)
• M28: 23,931,919 km (0.11 R)
• M29: 24,969,231 km (0.051 R)
• M30: 26,119,489 km (0.05 R)
• M31: 30,240,013 km (0.077 R)
• M32: 30,982,018 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.6

Radius: 14.7

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.51 AU - 4.77 AU

Year: 5356 Days

Day: 8 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,951,738 km

• M1: 182,958 km (0.052 R)
• M2: 720,763 km (0.078 R)
• M3: 1,330,523 km (0.079 R)
• M4: 2,163,185 km (0.12 R)
• M5: 2,849,091 km (0.118 R)
• M6: 4,339,834 km (0.092 R)
• M7: 5,162,174 km (0.095 R)
• M8: 6,916,508 km (0.111 R)
• M9: 7,534,497 km (0.117 R)
• M10: 8,040,437 km (0.113 R)
• M11: 9,080,890 km (0.095 R)
• M12: 9,571,421 km (0.067 R)
• M13: 10,785,109 km (0.073 R)
• M14: 11,856,978 km (0.115 R)
• M15: 12,744,542 km (0.088 R)
• M16: 14,486,459 km (0.118 R)
• M17: 16,025,821 km (0.064 R)
• M18: 16,502,291 km (0.049 R)
• M19: 18,052,573 km (0.082 R)
• M20: 18,830,333 km (0.119 R)
• M21: 28,400,109 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.8

Radius: 11.5

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.9 AU - 5.08 AU

Year: 7087 Days

Day: 5.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,951,738 km

• M1: 159,322 km (0.029 R)
• M2: 666,907 km (0.115 R)
• M3: 1,276,369 km (0.073 R)
• M4: 2,895,916 km (0.081 R)
• M5: 3,864,412 km (0.052 R)
• M6: 5,135,994 km (0.059 R)
• M7: 6,971,560 km (0.082 R)
• M8: 10,091,274 km (0.095 R)
• M9: 15,000,178 km (0.096 R)
• M10: 15,841,966 km (0.095 R)
• M11: 16,826,320 km (0.093 R)
• M12: 18,497,178 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.3

Radius: 3.5

Gravity: 51.94 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 7.16 AU - 10.52 AU

Year: 16711 Days

Day: 19.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 37,951,738 km

• M1: 43,533 km (0.034 R)
• M2: 227,987 km (0.081 R)
• M3: 350,059 km (0.03 R)
• M4: 578,046 km (0.092 R)
• M5: 697,724 km (0.11 R)
• M6: 823,686 km (0.07 R)
• M7: 1,488,349 km (0.033 R)
• M8: 1,892,712 km (0.066 R)
• M9: 2,180,090 km (0.079 R)
• M10: 2,562,612 km (0.089 R)
• M11: 2,676,306 km (0.101 R)
• M12: 3,013,051 km (0.084 R)
• M13: 6,121,545 km (0.081 R)
• M14: 7,008,660 km (0.119 R)
• M15: 8,723,052 km (0.119 R)
• M16: 13,768,390 km (0.095 R)
• M17: 14,982,975 km (0.057 R)
• M18: 20,195,862 km (0.113 R)
• M19: 22,715,988 km (0.096 R)
• M20: 23,303,160 km (0.086 R)
• M21: 25,229,232 km (0.108 R)
• M22: 26,071,019 km (0.12 R)
• M23: 27,368,631 km (0.077 R)
• M24: 27,810,543 km (0.109 R)
• M25: 27,921,695 km (0.047 R)
• M26: 28,257,093 km (0.103 R)
• M27: 28,482,238 km (0.116 R)
• M28: 30,680,728 km (0.042 R)
• M29: 35,804,904 km (0.088 R)
• M30: 36,200,890 km (0.047 R)
• M31: 37,541,586 km (0.079 R)
• M32: 39,896,107 km (0.04 R)
• M33: 46,599,737 km (0.043 R)
• M34: 46,913,892 km (0.071 R)
• M35: 52,304,502 km (0.109 R)
• M36: 55,060,543 km (0.049 R)
• M37: 59,189,744 km (0.076 R)
• M38: 62,561,530 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 78.4

Radius: 3.3

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.91 AU - 11.09 AU

Year: 18617 Days

Day: 19.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 101.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,951,738 km

• M1: 40,990 km (0.094 R)
• M2: 146,157 km (0.108 R)
• M3: 804,986 km (0.066 R)
• M4: 962,662 km (0.096 R)
• M5: 1,068,877 km (0.085 R)
• M6: 1,448,257 km (0.057 R)
• M7: 2,143,887 km (0.077 R)
• M8: 3,162,050 km (0.111 R)
• M9: 3,955,966 km (0.07 R)
• M10: 7,229,317 km (0.096 R)
• M11: 8,425,202 km (0.077 R)
• M12: 11,748,968 km (0.1 R)
• M13: 12,420,363 km (0.099 R)
• M14: 12,525,830 km (0.051 R)
• M15: 12,738,558 km (0.042 R)
• M16: 13,502,405 km (0.109 R)
• M17: 15,667,235 km (0.086 R)
• M18: 18,598,306 km (0.106 R)
• M19: 21,721,611 km (0.108 R)
• M20: 26,550,780 km (0.083 R)
• M21: 32,847,952 km (0.079 R)
• M22: 34,071,663 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 55.3

Radius: 4.9

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 9.79 AU - 13.21 AU

Year: 24796 Days

Day: 22.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,951,738 km

• M1: 60,886 km (0.06 R)
• M2: 565,330 km (0.062 R)
• M3: 742,454 km (0.089 R)
• M4: 1,013,974 km (0.037 R)
• M5: 1,178,831 km (0.069 R)
• M6: 1,949,260 km (0.074 R)
• M7: 2,325,948 km (0.097 R)
• M8: 3,920,063 km (0.11 R)
• M9: 8,245,386 km (0.088 R)
• M10: 8,703,754 km (0.107 R)
• M11: 9,400,730 km (0.108 R)
• M12: 10,855,719 km (0.046 R)
• M13: 11,975,010 km (0.113 R)
• M14: 16,497,952 km (0.113 R)
• M15: 19,753,501 km (0.106 R)
• M16: 27,591,382 km (0.03 R)
• M17: 28,708,579 km (0.112 R)
• M18: 34,322,987 km (0.045 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 10,603 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit