🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.9

Radius: 14.9

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.89 AU - 1.09 AU

Year: 636 Days

Day: 12.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,541,807 km

• M1: 185,352 km (0.119 R)
• M2: 755,469 km (0.045 R)
• M3: 1,268,440 km (0.086 R)
• M4: 1,771,239 km (0.102 R)
• M5: 2,328,341 km (0.111 R)
• M6: 3,433,271 km (0.116 R)
• M7: 4,038,095 km (0.101 R)
• M8: 5,001,356 km (0.105 R)
• M9: 5,537,964 km (0.097 R)
• M10: 6,172,707 km (0.109 R)
• M11: 7,338,972 km (0.1 R)
• M12: 7,844,763 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.2

Radius: 13.5

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.89 AU - 1.31 AU

Year: 745 Days

Day: 14.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,541,807 km

• M1: 167,849 km (0.103 R)
• M2: 617,091 km (0.107 R)
• M3: 1,168,808 km (0.111 R)
• M4: 1,879,996 km (0.091 R)
• M5: 2,649,827 km (0.1 R)
• M6: 3,197,056 km (0.087 R)
• M7: 3,649,290 km (0.089 R)
• M8: 4,099,131 km (0.03 R)
• M9: 4,618,834 km (0.109 R)
• M10: 5,527,492 km (0.116 R)
• M11: 6,143,835 km (0.099 R)
• M12: 7,198,650 km (0.104 R)
• M13: 7,722,840 km (0.066 R)
• M14: 8,420,266 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.4

Radius: 12.4

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.29 AU - 1.35 AU

Year: 979 Days

Day: 7.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,541,807 km

• M1: 154,235 km (0.101 R)
• M2: 679,922 km (0.062 R)
• M3: 1,361,191 km (0.117 R)
• M4: 1,868,178 km (0.074 R)
• M5: 2,356,615 km (0.041 R)
• M6: 3,654,078 km (0.104 R)
• M7: 4,098,682 km (0.076 R)
• M8: 4,842,932 km (0.114 R)
• M9: 5,695,191 km (0.071 R)
• M10: 6,146,977 km (0.104 R)
• M11: 6,578,566 km (0.105 R)
• M12: 8,174,028 km (0.101 R)
• M13: 8,939,520 km (0.112 R)
• M14: 9,551,525 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.7

Radius: 11.7

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.85 AU - 2.05 AU

Year: 1758 Days

Day: 8 Hours

Environment

Temp: -196 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,541,807 km

• M1: 145,559 km (0.101 R)
• M2: 554,709 km (0.053 R)
• M3: 1,029,832 km (0.11 R)
• M4: 1,845,290 km (0.102 R)
• M5: 2,260,573 km (0.073 R)
• M6: 3,108,494 km (0.096 R)
• M7: 4,104,816 km (0.103 R)
• M8: 4,536,406 km (0.103 R)
• M9: 5,619,794 km (0.115 R)
• M10: 6,409,222 km (0.098 R)
• M11: 7,797,490 km (0.098 R)
• M12: 8,405,755 km (0.069 R)
• M13: 8,779,899 km (0.072 R)
• M14: 9,438,429 km (0.115 R)
• M15: 9,811,376 km (0.102 R)
• M16: 10,619,953 km (0.111 R)
• M17: 11,057,826 km (0.09 R)
• M18: 12,223,492 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.1

Radius: 8.3

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.79 AU - 4.07 AU

Year: 4102 Days

Day: 7.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,541,807 km

• M1: 103,522 km (0.118 R)
• M2: 453,880 km (0.086 R)
• M3: 734,974 km (0.1 R)
• M4: 1,119,291 km (0.111 R)
• M5: 2,328,341 km (0.049 R)
• M6: 2,891,428 km (0.114 R)
• M7: 3,296,688 km (0.071 R)
• M8: 5,107,870 km (0.097 R)
• M9: 6,283,111 km (0.103 R)
• M10: 7,088,246 km (0.099 R)
• M11: 7,960,402 km (0.089 R)
• M12: 12,262,986 km (0.118 R)
• M13: 21,742,555 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.2

Radius: 7.7

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.02 AU - 10.92 AU

Year: 17346 Days

Day: 19.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 87,541,807 km

• M1: 96,491 km (0.082 R)
• M2: 344,673 km (0.087 R)
• M3: 602,580 km (0.063 R)
• M4: 973,733 km (0.11 R)
• M5: 2,491,852 km (0.044 R)
• M6: 2,736,444 km (0.096 R)
• M7: 3,765,528 km (0.052 R)
• M8: 4,273,413 km (0.081 R)
• M9: 5,208,549 km (0.119 R)
• M10: 6,687,474 km (0.095 R)
• M11: 7,119,063 km (0.112 R)
• M12: 7,801,230 km (0.098 R)
• M13: 8,182,405 km (0.095 R)
• M14: 8,726,941 km (0.107 R)
• M15: 10,853,326 km (0.103 R)
• M16: 13,036,258 km (0.112 R)
• M17: 16,639,322 km (0.118 R)
• M18: 17,674,689 km (0.093 R)
• M19: 25,215,170 km (0.044 R)
• M20: 27,333,925 km (0.1 R)
• M21: 27,881,602 km (0.071 R)
• M22: 33,020,888 km (0.108 R)
• M23: 37,399,916 km (0.057 R)
• M24: 38,895,446 km (0.084 R)
• M25: 47,761,215 km (0.077 R)
• M26: 48,236,786 km (0.108 R)
• M27: 54,710,335 km (0.112 R)
• M28: 57,168,527 km (0.094 R)
• M29: 62,871,796 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.5

Radius: 6.6

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.79 AU - 10.37 AU

Year: 19145 Days

Day: 15.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,541,807 km

• M1: 100,231 km (0.111 R)
• M2: 740,659 km (0.08 R)
• M3: 2,129,226 km (0.108 R)
• M4: 3,410,831 km (0.048 R)
• M5: 8,941,614 km (0.118 R)
• M6: 9,454,585 km (0.03 R)
• M7: 11,524,272 km (0.062 R)
• M8: 15,131,825 km (0.1 R)
• M9: 16,458,907 km (0.098 R)
• M10: 20,815,048 km (0.037 R)
• M11: 21,989,989 km (0.044 R)
• M12: 41,660,015 km (0.073 R)
• M13: 47,872,366 km (0.083 R)
• M14: 51,036,361 km (0.112 R)
• M15: 58,481,996 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.4

Radius: 8

Gravity: 13.94 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 10.3 AU - 10.48 AU

Year: 21624 Days

Day: 23.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 87,541,807 km

• M1: 99,483 km (0.083 R)
• M2: 377,286 km (0.109 R)
• M3: 852,857 km (0.06 R)
• M4: 1,549,385 km (0.09 R)
• M5: 1,859,202 km (0.115 R)
• M6: 2,123,691 km (0.104 R)
• M7: 3,185,088 km (0.113 R)
• M8: 4,247,532 km (0.092 R)
• M9: 5,246,697 km (0.088 R)
• M10: 6,214,744 km (0.083 R)
• M11: 7,961,898 km (0.109 R)
• M12: 8,948,197 km (0.089 R)
• M13: 9,891,262 km (0.112 R)
• M14: 11,767,219 km (0.051 R)
• M15: 12,825,175 km (0.062 R)
• M16: 14,807,048 km (0.025 R)
• M17: 15,870,838 km (0.108 R)
• M18: 16,723,097 km (0.071 R)
• M19: 17,967,153 km (0.098 R)
• M20: 20,538,740 km (0.069 R)
• M21: 21,447,697 km (0.095 R)
• M22: 22,701,178 km (0.051 R)
• M23: 23,892,426 km (0.111 R)
• M24: 27,352,325 km (0.074 R)
• M25: 31,396,105 km (0.106 R)
• M26: 41,118,471 km (0.112 R)
• M27: 51,373,554 km (0.063 R)
• M28: 53,610,641 km (0.095 R)
• M29: 72,265,047 km (0.088 R)
• M30: 74,362,409 km (0.09 R)
• M31: 75,782,841 km (0.089 R)
• M32: 81,646,030 km (0.074 R)
• M33: 83,920,366 km (0.08 R)
• M34: 87,018,239 km (0.099 R)
• M35: 87,279,736 km (0.05 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: 322 - 12,464 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit