🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.64 AU - 0.7 AU

Year: 354 Days

Day: 12.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 18.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 69,945,344 km

• M1: 29,321 km (0.116 R)
• M2: 335,398 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.4

Radius: 13.7

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.66 AU - 0.7 AU

Year: 362 Days

Day: 8.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,945,344 km

• M1: 170,392 km (0.098 R)
• M2: 692,339 km (0.082 R)
• M3: 1,241,962 km (0.053 R)
• M4: 1,943,426 km (0.089 R)
• M5: 2,681,691 km (0.119 R)
• M6: 3,369,842 km (0.088 R)
• M7: 4,005,633 km (0.032 R)
• M8: 4,663,564 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.5

Radius: 8.2

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.63 AU - 0.85 AU

Year: 411 Days

Day: 12 Hours

Environment

Temp: -152 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,945,344 km

• M1: 102,475 km (0.05 R)
• M2: 388,356 km (0.094 R)
• M3: 956,080 km (0.071 R)
• M4: 1,314,367 km (0.119 R)
• M5: 1,718,431 km (0.11 R)
• M6: 2,651,323 km (0.056 R)
• M7: 3,925,299 km (0.09 R)
• M8: 4,753,472 km (0.098 R)
• M9: 5,029,181 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.1

Radius: 13.2

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.08 AU - 1.42 AU

Year: 902 Days

Day: 13.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,945,344 km

• M1: 164,258 km (0.111 R)
• M2: 595,699 km (0.094 R)
• M3: 1,453,792 km (0.04 R)
• M4: 1,974,542 km (0.039 R)
• M5: 2,879,909 km (0.082 R)
• M6: 3,388,541 km (0.09 R)
• M7: 5,145,718 km (0.083 R)
• M8: 5,823,396 km (0.054 R)
• M9: 6,274,135 km (0.078 R)
• M10: 6,748,061 km (0.112 R)
• M11: 7,290,503 km (0.111 R)
• M12: 7,791,655 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.2

Radius: 13.7

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.99 AU - 3.67 AU

Year: 3924 Days

Day: 14.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,945,344 km

• M1: 173,982 km (0.116 R)
• M2: 606,470 km (0.089 R)
• M3: 1,440,478 km (0.118 R)
• M4: 2,270,896 km (0.114 R)
• M5: 3,193,466 km (0.046 R)
• M6: 3,639,417 km (0.09 R)
• M7: 4,149,396 km (0.083 R)
• M8: 4,854,301 km (0.095 R)
• M9: 5,610,369 km (0.098 R)
• M10: 6,687,623 km (0.109 R)
• M11: 7,625,003 km (0.045 R)
• M12: 12,411,088 km (0.042 R)
• M13: 13,277,110 km (0.101 R)
• M14: 15,618,766 km (0.09 R)
• M15: 18,839,907 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899

Radius: 11.2

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.9 AU - 4.72 AU

Year: 4802 Days

Day: 14.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,945,344 km

• M1: 140,921 km (0.113 R)
• M2: 708,944 km (0.071 R)
• M3: 1,169,706 km (0.1 R)
• M4: 1,842,447 km (0.054 R)
• M5: 2,850,139 km (0.118 R)
• M6: 3,402,604 km (0.118 R)
• M7: 4,389,501 km (0.039 R)
• M8: 4,749,284 km (0.084 R)
• M9: 6,521,121 km (0.073 R)
• M10: 7,447,880 km (0.097 R)
• M11: 7,812,599 km (0.114 R)
• M12: 8,421,163 km (0.109 R)
• M13: 8,898,081 km (0.051 R)
• M14: 10,942,037 km (0.065 R)
• M15: 11,558,829 km (0.097 R)
• M16: 13,710,794 km (0.094 R)
• M17: 14,149,116 km (0.112 R)
• M18: 14,540,315 km (0.06 R)
• M19: 16,667,746 km (0.115 R)
• M20: 18,393,806 km (0.077 R)
• M21: 20,025,620 km (0.115 R)
• M22: 24,604,362 km (0.082 R)
• M23: 25,663,216 km (0.06 R)
• M24: 31,323,101 km (0.033 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 760.9

Radius: 4.4

Gravity: 39.3 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 6.41 AU - 9.57 AU

Year: 14583 Days

Day: 17.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,945,344 km

• M1: 61,784 km (0.107 R)
• M2: 229,782 km (0.091 R)
• M3: 565,031 km (0.071 R)
• M4: 781,200 km (0.076 R)
• M5: 1,642,734 km (0.118 R)
• M6: 2,860,311 km (0.106 R)
• M7: 3,418,162 km (0.11 R)
• M8: 3,809,211 km (0.066 R)
• M9: 4,515,313 km (0.116 R)
• M10: 4,985,648 km (0.103 R)
• M11: 5,983,915 km (0.105 R)
• M12: 6,344,296 km (0.088 R)
• M13: 6,592,629 km (0.071 R)
• M14: 6,804,310 km (0.085 R)
• M15: 7,376,372 km (0.044 R)
• M16: 7,790,608 km (0.108 R)
• M17: 9,284,193 km (0.102 R)
• M18: 9,658,338 km (0.056 R)
• M19: 15,927,386 km (0.029 R)
• M20: 17,249,382 km (0.048 R)
• M21: 19,066,697 km (0.092 R)
• M22: 21,190,389 km (0.116 R)
• M23: 22,786,598 km (0.062 R)
• M24: 26,005,645 km (0.08 R)
• M25: 28,164,043 km (0.116 R)
• M26: 28,609,695 km (0.117 R)
• M27: 29,859,286 km (0.076 R)
• M28: 39,920,042 km (0.075 R)
• M29: 42,055,253 km (0.054 R)
• M30: 49,236,549 km (0.09 R)
• M31: 55,085,826 km (0.094 R)
• M32: 57,728,173 km (0.098 R)
• M33: 59,171,493 km (0.102 R)
• M34: 59,353,554 km (0.089 R)
• M35: 59,536,063 km (0.099 R)
• M36: 62,317,985 km (0.05 R)

Asteroid Belt

Center: 8.37 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.1

Radius: 4.9

Gravity: 31.74 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 7.15 AU - 10.35 AU

Year: 16712 Days

Day: 24.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 108.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,945,344 km

• M1: 67,319 km (0.083 R)
• M2: 404,213 km (0.093 R)
• M3: 620,083 km (0.083 R)
• M4: 1,317,808 km (0.106 R)
• M5: 1,498,522 km (0.087 R)
• M6: 1,730,399 km (0.044 R)
• M7: 2,783,568 km (0.075 R)
• M8: 3,746,230 km (0.114 R)
• M9: 5,933,201 km (0.102 R)
• M10: 6,952,262 km (0.074 R)
• M11: 8,182,555 km (0.104 R)
• M12: 8,588,563 km (0.069 R)
• M13: 10,058,362 km (0.099 R)
• M14: 11,126,491 km (0.057 R)
• M15: 12,007,922 km (0.091 R)
• M16: 12,799,743 km (0.08 R)
• M17: 13,208,445 km (0.111 R)
• M18: 15,231,606 km (0.059 R)
• M19: 18,294,922 km (0.086 R)
• M20: 18,552,978 km (0.084 R)
• M21: 19,341,658 km (0.115 R)
• M22: 24,237,398 km (0.102 R)
• M23: 26,253,978 km (0.073 R)
• M24: 27,024,257 km (0.033 R)
• M25: 28,957,660 km (0.088 R)
• M26: 31,470,904 km (0.071 R)
• M27: 32,089,940 km (0.099 R)
• M28: 43,740,473 km (0.11 R)
• M29: 47,361,190 km (0.069 R)
• M30: 50,162,260 km (0.051 R)
• M31: 53,071,789 km (0.082 R)
• M32: 56,091,871 km (0.115 R)
• M33: 69,735,945 km (0.111 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 18,357 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit