🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958

Radius: 14

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.81 AU - 0.83 AU

Year: 479 Days

Day: 7.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,497,708 km

• M1: 174,132 km (0.112 R)
• M2: 660,175 km (0.082 R)
• M3: 1,272,779 km (0.08 R)
• M4: 1,779,167 km (0.074 R)
• M5: 2,334,176 km (0.095 R)
• M6: 3,287,563 km (0.11 R)
• M7: 4,062,779 km (0.035 R)
• M8: 4,532,516 km (0.081 R)
• M9: 5,408,262 km (0.107 R)
• M10: 6,589,337 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.8

Radius: 8.9

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.92 AU - 2.88 AU

Year: 2401 Days

Day: 11.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,497,708 km

• M1: 110,852 km (0.094 R)
• M2: 401,072 km (0.076 R)
• M3: 683,363 km (0.12 R)
• M4: 1,038,359 km (0.101 R)
• M5: 1,585,438 km (0.097 R)
• M6: 2,037,224 km (0.1 R)
• M7: 2,326,995 km (0.109 R)
• M8: 2,630,080 km (0.108 R)
• M9: 3,022,475 km (0.101 R)
• M10: 3,419,059 km (0.115 R)
• M11: 4,501,699 km (0.042 R)
• M12: 4,997,915 km (0.092 R)
• M13: 6,790,247 km (0.096 R)
• M14: 7,269,110 km (0.104 R)
• M15: 8,453,177 km (0.095 R)
• M16: 9,209,245 km (0.12 R)
• M17: 9,867,176 km (0.099 R)
• M18: 10,893,268 km (0.046 R)
• M19: 11,237,792 km (0.094 R)
• M20: 11,748,370 km (0.043 R)
• M21: 14,125,929 km (0.087 R)
• M22: 15,236,693 km (0.119 R)
• M23: 16,206,087 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.3

Radius: 8.8

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.66 AU - 3.88 AU

Year: 3818 Days

Day: 7.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,497,708 km

• M1: 109,506 km (0.097 R)
• M2: 592,258 km (0.089 R)
• M3: 2,016,430 km (0.116 R)
• M4: 2,303,358 km (0.117 R)
• M5: 2,928,378 km (0.091 R)
• M6: 3,531,707 km (0.118 R)
• M7: 3,932,030 km (0.105 R)
• M8: 4,644,565 km (0.092 R)
• M9: 5,008,387 km (0.049 R)
• M10: 5,819,208 km (0.089 R)
• M11: 6,269,796 km (0.119 R)
• M12: 6,601,754 km (0.102 R)
• M13: 7,121,607 km (0.056 R)
• M14: 7,544,669 km (0.101 R)
• M15: 7,888,745 km (0.088 R)
• M16: 8,243,291 km (0.045 R)
• M17: 9,732,538 km (0.079 R)
• M18: 10,065,543 km (0.03 R)
• M19: 10,793,786 km (0.077 R)
• M20: 12,571,158 km (0.101 R)
• M21: 13,010,826 km (0.119 R)
• M22: 17,443,261 km (0.077 R)
• M23: 18,268,593 km (0.111 R)
• M24: 18,947,318 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.3

Radius: 12.8

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.12 AU - 3.82 AU

Year: 4174 Days

Day: 14.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,497,708 km

• M1: 159,322 km (0.1 R)
• M2: 715,527 km (0.065 R)
• M3: 2,288,099 km (0.057 R)
• M4: 3,223,685 km (0.045 R)
• M5: 3,678,312 km (0.067 R)
• M6: 4,482,999 km (0.108 R)
• M7: 8,232,670 km (0.113 R)
• M8: 8,986,942 km (0.101 R)
• M9: 10,112,666 km (0.069 R)
• M10: 10,978,240 km (0.072 R)
• M11: 17,613,055 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155.5

Radius: 6.4

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.58 AU - 9.3 AU

Year: 13103 Days

Day: 21.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,497,708 km

• M1: 80,184 km (0.109 R)
• M2: 905,366 km (0.116 R)
• M3: 1,616,255 km (0.094 R)
• M4: 2,522,669 km (0.102 R)
• M5: 2,974,903 km (0.117 R)
• M6: 6,380,200 km (0.1 R)
• M7: 8,324,972 km (0.07 R)
• M8: 9,986,555 km (0.108 R)
• M9: 11,908,439 km (0.088 R)
• M10: 12,113,239 km (0.037 R)
• M11: 20,198,854 km (0.071 R)
• M12: 30,601,740 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851.6

Radius: 4.7

Gravity: 38.55 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.94 AU - 9.7 AU

Year: 14120 Days

Day: 23.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 82,497,708 km

• M1: 58,493 km (0.12 R)
• M2: 221,405 km (0.116 R)
• M3: 462,257 km (0.077 R)
• M4: 767,587 km (0.074 R)
• M5: 1,348,326 km (0.087 R)
• M6: 1,574,518 km (0.111 R)
• M7: 1,756,279 km (0.108 R)
• M8: 2,103,496 km (0.095 R)
• M9: 3,132,879 km (0.109 R)
• M10: 3,288,311 km (0.117 R)
• M11: 3,476,206 km (0.075 R)
• M12: 3,873,388 km (0.109 R)
• M13: 4,492,574 km (0.089 R)
• M14: 5,283,498 km (0.08 R)
• M15: 7,181,147 km (0.109 R)
• M16: 9,927,315 km (0.092 R)
• M17: 11,997,749 km (0.057 R)
• M18: 12,900,872 km (0.089 R)
• M19: 13,779,310 km (0.111 R)
• M20: 14,481,523 km (0.103 R)
• M21: 16,496,606 km (0.103 R)
• M22: 16,968,438 km (0.072 R)
• M23: 17,287,979 km (0.065 R)
• M24: 17,774,770 km (0.106 R)
• M25: 19,031,841 km (0.08 R)
• M26: 19,550,796 km (0.079 R)
• M27: 20,707,636 km (0.077 R)
• M28: 21,349,112 km (0.049 R)
• M29: 24,858,379 km (0.075 R)
• M30: 29,531,068 km (0.117 R)
• M31: 29,993,475 km (0.057 R)
• M32: 30,343,385 km (0.068 R)
• M33: 32,377,617 km (0.099 R)
• M34: 36,582,663 km (0.088 R)
• M35: 37,250,019 km (0.114 R)
• M36: 40,282,667 km (0.111 R)
• M37: 43,624,983 km (0.093 R)
• M38: 52,694,803 km (0.075 R)
• M39: 55,800,455 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970.9

Radius: 5.5

Gravity: 32.1 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 7.35 AU - 11.69 AU

Year: 18966 Days

Day: 20.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 82,497,708 km

• M1: 68,366 km (0.097 R)
• M2: 369,507 km (0.12 R)
• M3: 1,236,576 km (0.077 R)
• M4: 1,419,235 km (0.087 R)
• M5: 1,897,350 km (0.054 R)
• M6: 2,950,668 km (0.085 R)
• M7: 3,336,930 km (0.115 R)
• M8: 3,632,984 km (0.12 R)
• M9: 3,850,500 km (0.064 R)
• M10: 4,520,399 km (0.093 R)
• M11: 4,846,073 km (0.114 R)
• M12: 7,680,355 km (0.049 R)
• M13: 9,414,194 km (0.111 R)
• M14: 12,064,470 km (0.084 R)
• M15: 12,409,891 km (0.085 R)
• M16: 15,739,042 km (0.076 R)
• M17: 21,374,245 km (0.104 R)
• M18: 23,126,036 km (0.117 R)
• M19: 24,091,091 km (0.047 R)
• M20: 28,706,784 km (0.094 R)
• M21: 33,066,066 km (0.07 R)
• M22: 34,015,265 km (0.096 R)
• M23: 36,110,233 km (0.045 R)
• M24: 37,553,703 km (0.081 R)
• M25: 38,586,676 km (0.081 R)
• M26: 39,336,012 km (0.106 R)
• M27: 44,200,037 km (0.1 R)
• M28: 60,159,437 km (0.076 R)
• M29: 61,369,235 km (0.106 R)
• M30: 64,885,084 km (0.047 R)
• M31: 65,944,088 km (0.108 R)
• M32: 73,224,717 km (0.093 R)
• M33: 75,765,637 km (0.093 R)
• M34: 76,233,878 km (0.104 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: 326 - 15,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit