🌌 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: 860.7

Radius: 10.2

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.76 AU - 0.88 AU

Year: 487 Days

Day: 9.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,586,834 km

• M1: 128,355 km (0.109 R)
• M2: 513,270 km (0.116 R)
• M3: 861,833 km (0.075 R)
• M4: 1,217,128 km (0.109 R)
• M5: 1,812,079 km (0.05 R)
• M6: 2,728,964 km (0.101 R)
• M7: 3,052,844 km (0.062 R)
• M8: 4,140,570 km (0.083 R)
• M9: 4,965,602 km (0.117 R)
• M10: 5,417,238 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839

Radius: 12

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.27 AU - 3.13 AU

Year: 2910 Days

Day: 12.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,586,834 km

• M1: 149,448 km (0.035 R)
• M2: 1,044,193 km (0.046 R)
• M3: 1,953,000 km (0.07 R)
• M4: 2,326,995 km (0.105 R)
• M5: 2,781,473 km (0.104 R)
• M6: 3,313,294 km (0.108 R)
• M7: 5,481,565 km (0.088 R)
• M8: 6,124,986 km (0.043 R)
• M9: 6,581,558 km (0.061 R)
• M10: 7,153,321 km (0.098 R)
• M11: 7,790,608 km (0.115 R)
• M12: 9,626,025 km (0.105 R)
• M13: 10,165,923 km (0.099 R)
• M14: 10,889,827 km (0.081 R)
• M15: 11,734,008 km (0.118 R)
• M16: 12,395,380 km (0.085 R)
• M17: 12,896,084 km (0.091 R)
• M18: 15,086,646 km (0.056 R)
• M19: 15,922,150 km (0.079 R)
• M20: 16,459,805 km (0.077 R)
• M21: 18,029,984 km (0.111 R)
• M22: 19,575,330 km (0.092 R)
• M23: 20,380,316 km (0.06 R)
• M24: 22,255,675 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162

Radius: 13.5

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.76 AU - 3.14 AU

Year: 3324 Days

Day: 9.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,586,834 km

• M1: 167,849 km (0.085 R)
• M2: 686,953 km (0.028 R)
• M3: 1,216,679 km (0.077 R)
• M4: 1,683,724 km (0.056 R)
• M5: 2,167,075 km (0.12 R)
• M6: 2,867,941 km (0.089 R)
• M7: 3,517,644 km (0.063 R)
• M8: 4,282,688 km (0.083 R)
• M9: 4,785,187 km (0.114 R)
• M10: 5,283,946 km (0.096 R)
• M11: 8,146,651 km (0.079 R)
• M12: 10,482,772 km (0.088 R)
• M13: 11,184,236 km (0.047 R)
• M14: 11,656,816 km (0.118 R)
• M15: 13,888,816 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.1

Radius: 11.3

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.91 AU - 5.73 AU

Year: 6942 Days

Day: 10.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 139.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,586,834 km

• M1: 148,401 km (0.11 R)
• M2: 577,897 km (0.094 R)
• M3: 1,334,263 km (0.081 R)
• M4: 1,831,826 km (0.067 R)
• M5: 3,306,113 km (0.092 R)
• M6: 4,546,728 km (0.076 R)
• M7: 5,599,149 km (0.079 R)
• M8: 6,610,580 km (0.086 R)
• M9: 7,812,300 km (0.108 R)
• M10: 8,484,443 km (0.079 R)
• M11: 9,357,945 km (0.115 R)
• M12: 10,030,088 km (0.053 R)
• M13: 10,869,781 km (0.046 R)
• M14: 11,996,702 km (0.076 R)
• M15: 13,777,365 km (0.108 R)
• M16: 16,557,642 km (0.095 R)
• M17: 20,308,210 km (0.086 R)
• M18: 21,578,595 km (0.029 R)
• M19: 27,616,066 km (0.096 R)
• M20: 29,795,707 km (0.063 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.2

Radius: 6.2

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.13 AU - 6.71 AU

Year: 9449 Days

Day: 23.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,586,834 km

• M1: 172,786 km (0.081 R)
• M2: 543,190 km (0.08 R)
• M3: 1,008,290 km (0.081 R)
• M4: 4,795,509 km (0.068 R)
• M5: 6,268,300 km (0.057 R)
• M6: 8,902,719 km (0.085 R)
• M7: 10,118,351 km (0.032 R)
• M8: 10,578,215 km (0.083 R)
• M9: 10,860,656 km (0.085 R)
• M10: 11,196,653 km (0.1 R)
• M11: 11,638,864 km (0.099 R)
• M12: 12,453,424 km (0.115 R)
• M13: 13,251,080 km (0.1 R)
• M14: 23,108,533 km (0.046 R)
• M15: 32,017,535 km (0.109 R)
• M16: 33,509,773 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402

Radius: 7.9

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.73 AU - 6.39 AU

Year: 9786 Days

Day: 23.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,586,834 km

• M1: 98,286 km (0.074 R)
• M2: 404,513 km (0.094 R)
• M3: 650,601 km (0.115 R)
• M4: 1,050,626 km (0.118 R)
• M5: 1,478,027 km (0.109 R)
• M6: 2,017,028 km (0.069 R)
• M7: 2,898,160 km (0.112 R)
• M8: 3,170,278 km (0.033 R)
• M9: 4,247,532 km (0.117 R)
• M10: 4,516,809 km (0.099 R)
• M11: 4,971,586 km (0.053 R)
• M12: 5,487,998 km (0.088 R)
• M13: 6,311,534 km (0.107 R)
• M14: 7,329,099 km (0.088 R)
• M15: 8,161,162 km (0.062 R)
• M16: 8,494,167 km (0.107 R)
• M17: 9,593,711 km (0.09 R)
• M18: 12,287,670 km (0.102 R)
• M19: 13,632,555 km (0.085 R)
• M20: 16,744,938 km (0.099 R)
• M21: 17,694,735 km (0.11 R)
• M22: 21,380,528 km (0.111 R)
• M23: 22,335,710 km (0.032 R)
• M24: 36,446,380 km (0.11 R)
• M25: 38,968,151 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 471.1

Radius: 5.4

Gravity: 16.16 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.85 AU - 7.27 AU

Year: 12306 Days

Day: 17.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 48,586,834 km

• M1: 88,412 km (0.068 R)
• M2: 576,849 km (0.074 R)
• M3: 746,344 km (0.058 R)
• M4: 990,637 km (0.034 R)
• M5: 1,300,155 km (0.058 R)
• M6: 1,470,996 km (0.095 R)
• M7: 2,112,023 km (0.061 R)
• M8: 2,293,335 km (0.1 R)
• M9: 2,646,386 km (0.075 R)
• M10: 4,060,984 km (0.066 R)
• M11: 4,285,381 km (0.076 R)
• M12: 4,577,545 km (0.095 R)
• M13: 5,201,668 km (0.117 R)
• M14: 5,740,519 km (0.094 R)
• M15: 5,916,446 km (0.111 R)
• M16: 6,733,251 km (0.101 R)
• M17: 7,088,097 km (0.114 R)
• M18: 9,582,940 km (0.115 R)
• M19: 11,912,778 km (0.115 R)
• M20: 13,208,295 km (0.097 R)
• M21: 14,143,581 km (0.099 R)
• M22: 14,922,986 km (0.105 R)
• M23: 17,579,994 km (0.1 R)
• M24: 18,942,082 km (0.069 R)
• M25: 23,358,960 km (0.118 R)
• M26: 28,111,983 km (0.09 R)
• M27: 28,824,967 km (0.076 R)
• M28: 29,237,707 km (0.079 R)
• M29: 32,907,044 km (0.074 R)
• M30: 35,555,973 km (0.099 R)
• M31: 38,968,600 km (0.063 R)
• M32: 39,346,634 km (0.071 R)
• M33: 48,151,515 km (0.085 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 12,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit