🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.45 AU - 0.57 AU

Year: 239 Days

Day: 47.5 Hours

Environment

Temp: -117 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,340,386 km

• M1: 154,535 km (0.099 R)

Asteroid Belt

Center: 0.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.5

Radius: 9.2

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.36 AU - 1.42 AU

Year: 1075 Days

Day: 13 Hours

Environment

Temp: -175 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,340,386 km

• M1: 123,269 km (0.078 R)
• M2: 466,895 km (0.093 R)
• M3: 892,501 km (0.078 R)
• M4: 1,250,937 km (0.095 R)
• M5: 1,724,415 km (0.116 R)
• M6: 2,154,957 km (0.065 R)
• M7: 3,382,258 km (0.098 R)
• M8: 3,776,000 km (0.063 R)
• M9: 4,414,633 km (0.06 R)
• M10: 4,866,269 km (0.082 R)
• M11: 5,390,161 km (0.082 R)
• M12: 5,951,003 km (0.12 R)
• M13: 6,268,899 km (0.065 R)
• M14: 6,646,185 km (0.086 R)
• M15: 7,189,524 km (0.105 R)
• M16: 7,842,519 km (0.094 R)
• M17: 8,169,839 km (0.051 R)
• M18: 8,793,662 km (0.096 R)
• M19: 9,663,873 km (0.097 R)
• M20: 11,092,533 km (0.094 R)
• M21: 12,000,143 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.7

Radius: 9.8

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.15 AU - 1.87 AU

Year: 1217 Days

Day: 11.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,340,386 km

• M1: 121,922 km (0.117 R)
• M2: 489,335 km (0.082 R)
• M3: 795,861 km (0.098 R)
• M4: 1,306,887 km (0.115 R)
• M5: 1,657,544 km (0.077 R)
• M6: 2,062,506 km (0.087 R)
• M7: 2,648,032 km (0.071 R)
• M8: 3,703,594 km (0.085 R)
• M9: 4,508,581 km (0.108 R)
• M10: 4,855,199 km (0.112 R)
• M11: 5,947,563 km (0.115 R)
• M12: 6,404,285 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.7

Radius: 8.2

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.71 AU - 3.23 AU

Year: 3358 Days

Day: 14.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,340,386 km

• M1: 102,026 km (0.112 R)
• M2: 451,935 km (0.095 R)
• M3: 811,120 km (0.107 R)
• M4: 1,100,143 km (0.062 R)
• M5: 1,697,487 km (0.108 R)
• M6: 2,678,849 km (0.029 R)
• M7: 3,700,603 km (0.067 R)
• M8: 4,016,254 km (0.084 R)
• M9: 7,606,154 km (0.101 R)
• M10: 10,111,470 km (0.12 R)
• M11: 12,866,614 km (0.114 R)
• M12: 14,943,630 km (0.104 R)
• M13: 16,331,151 km (0.067 R)
• M14: 16,778,748 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.9

Radius: 9.8

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.45 AU - 3.61 AU

Year: 3460 Days

Day: 7.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,340,386 km

• M1: 122,670 km (0.094 R)
• M2: 439,818 km (0.095 R)
• M3: 825,182 km (0.082 R)
• M4: 1,503,758 km (0.094 R)
• M5: 1,822,401 km (0.077 R)
• M6: 2,920,898 km (0.109 R)
• M7: 3,230,865 km (0.12 R)
• M8: 3,685,643 km (0.085 R)
• M9: 4,093,297 km (0.041 R)
• M10: 4,436,026 km (0.107 R)
• M11: 6,387,979 km (0.089 R)
• M12: 7,042,170 km (0.097 R)
• M13: 7,774,751 km (0.056 R)
• M14: 9,081,937 km (0.083 R)
• M15: 9,509,189 km (0.087 R)
• M16: 11,045,409 km (0.04 R)
• M17: 13,326,178 km (0.097 R)
• M18: 13,827,481 km (0.087 R)
• M19: 16,468,332 km (0.085 R)
• M20: 19,428,275 km (0.107 R)
• M21: 19,943,191 km (0.117 R)
• M22: 25,911,548 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.7

Radius: 8.7

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.59 AU - 3.75 AU

Year: 3703 Days

Day: 9.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,340,386 km

• M1: 130,001 km (0.097 R)
• M2: 684,410 km (0.047 R)
• M3: 1,018,313 km (0.075 R)
• M4: 1,315,264 km (0.105 R)
• M5: 3,237,747 km (0.104 R)
• M6: 7,625,153 km (0.11 R)
• M7: 7,957,111 km (0.028 R)
• M8: 8,617,885 km (0.09 R)
• M9: 10,595,868 km (0.094 R)
• M10: 11,009,805 km (0.102 R)
• M11: 14,216,286 km (0.03 R)
• M12: 15,521,976 km (0.115 R)
• M13: 16,402,659 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.3

Radius: 9.5

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.64 AU - 4.56 AU

Year: 5446 Days

Day: 7.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,340,386 km

• M1: 121,473 km (0.073 R)
• M2: 639,082 km (0.109 R)
• M3: 1,264,551 km (0.11 R)
• M4: 2,973,258 km (0.049 R)
• M5: 3,876,530 km (0.092 R)
• M6: 4,452,033 km (0.088 R)
• M7: 6,066,493 km (0.1 R)
• M8: 6,682,387 km (0.106 R)
• M9: 7,171,273 km (0.12 R)
• M10: 9,692,745 km (0.109 R)
• M11: 11,562,120 km (0.097 R)
• M12: 13,252,127 km (0.105 R)
• M13: 15,155,910 km (0.115 R)
• M14: 16,876,136 km (0.108 R)
• M15: 20,768,672 km (0.084 R)
• M16: 21,250,527 km (0.09 R)
• M17: 24,299,781 km (0.109 R)
• M18: 25,455,873 km (0.048 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 492.2

Radius: 7.7

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.77 AU - 7.25 AU

Year: 10896 Days

Day: 17.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,340,386 km

• M1: 97,837 km (0.097 R)
• M2: 382,971 km (0.106 R)
• M3: 787,782 km (0.042 R)
• M4: 1,370,316 km (0.077 R)
• M5: 2,024,209 km (0.071 R)
• M6: 2,766,065 km (0.079 R)
• M7: 4,257,256 km (0.059 R)
• M8: 4,716,073 km (0.079 R)
• M9: 7,160,053 km (0.088 R)
• M10: 7,520,584 km (0.06 R)
• M11: 8,947,000 km (0.074 R)
• M12: 12,554,104 km (0.044 R)
• M13: 14,172,005 km (0.087 R)
• M14: 16,469,978 km (0.06 R)
• M15: 22,889,970 km (0.065 R)
• M16: 23,760,929 km (0.105 R)
• M17: 27,955,653 km (0.084 R)
• M18: 28,549,706 km (0.09 R)
• M19: 29,354,992 km (0.109 R)
• M20: 33,498,703 km (0.103 R)
• M21: 36,233,502 km (0.088 R)
• M22: 38,258,309 km (0.103 R)
• M23: 39,113,560 km (0.032 R)
• M24: 42,272,319 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 52.3

Radius: 7.8

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.75 AU - 12.41 AU

Year: 20994 Days

Day: 23.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 61.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,340,386 km

• M1: 97,239 km (0.095 R)
• M2: 1,058,854 km (0.038 R)
• M3: 5,331,668 km (0.087 R)
• M4: 6,416,851 km (0.116 R)
• M5: 13,296,857 km (0.105 R)
• M6: 26,578,605 km (0.112 R)
• M7: 27,357,411 km (0.096 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: 515 - 16,475 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit