🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.4

Radius: 9

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.01 AU - 1.27 AU

Year: 812 Days

Day: 9.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,288,059 km

• M1: 111,899 km (0.114 R)
• M2: 421,268 km (0.037 R)
• M3: 759,060 km (0.072 R)
• M4: 1,155,793 km (0.081 R)
• M5: 1,829,133 km (0.118 R)
• M6: 2,263,117 km (0.103 R)
• M7: 2,596,570 km (0.071 R)
• M8: 3,400,360 km (0.079 R)
• M9: 3,840,028 km (0.055 R)
• M10: 4,187,244 km (0.08 R)
• M11: 4,880,930 km (0.092 R)
• M12: 5,826,687 km (0.046 R)
• M13: 6,362,098 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.7

Radius: 14.2

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.56 AU - 2.14 AU

Year: 1678 Days

Day: 13.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,288,059 km

• M1: 176,675 km (0.085 R)
• M2: 724,652 km (0.092 R)
• M3: 1,166,714 km (0.068 R)
• M4: 2,179,491 km (0.099 R)
• M5: 2,668,976 km (0.083 R)
• M6: 4,034,355 km (0.091 R)
• M7: 5,263,302 km (0.116 R)
• M8: 5,941,728 km (0.098 R)
• M9: 7,175,163 km (0.032 R)
• M10: 7,953,072 km (0.089 R)
• M11: 8,941,614 km (0.1 R)
• M12: 9,417,336 km (0.109 R)
• M13: 9,943,322 km (0.033 R)
• M14: 10,663,486 km (0.11 R)
• M15: 11,752,558 km (0.11 R)
• M16: 12,874,542 km (0.031 R)
• M17: 13,647,664 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.8

Radius: 9.4

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.69 AU - 2.17 AU

Year: 1788 Days

Day: 9.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,288,059 km

• M1: 124,017 km (0.062 R)
• M2: 486,791 km (0.116 R)
• M3: 968,646 km (0.081 R)
• M4: 1,580,801 km (0.056 R)
• M5: 2,037,523 km (0.115 R)
• M6: 2,459,239 km (0.097 R)
• M7: 3,014,098 km (0.088 R)
• M8: 3,346,355 km (0.043 R)
• M9: 3,720,499 km (0.101 R)
• M10: 4,066,070 km (0.112 R)
• M11: 4,780,101 km (0.094 R)
• M12: 6,303,456 km (0.103 R)
• M13: 6,876,565 km (0.067 R)
• M14: 7,203,586 km (0.086 R)
• M15: 7,918,514 km (0.059 R)
• M16: 9,094,503 km (0.081 R)
• M17: 9,963,817 km (0.102 R)
• M18: 12,700,710 km (0.036 R)
• M19: 13,742,958 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.9

Radius: 9.9

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.84 AU - 2.5 AU

Year: 2132 Days

Day: 10.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,288,059 km

• M1: 123,119 km (0.058 R)
• M2: 745,745 km (0.097 R)
• M3: 1,342,641 km (0.081 R)
• M4: 2,026,004 km (0.118 R)
• M5: 2,415,856 km (0.059 R)
• M6: 2,740,932 km (0.11 R)
• M7: 3,413,823 km (0.096 R)
• M8: 3,911,536 km (0.114 R)
• M9: 5,191,794 km (0.105 R)
• M10: 5,681,428 km (0.06 R)
• M11: 6,586,495 km (0.113 R)
• M12: 7,226,624 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.5

Radius: 10.8

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.31 AU - 2.81 AU

Year: 2731 Days

Day: 6.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,288,059 km

• M1: 134,488 km (0.038 R)
• M2: 483,949 km (0.065 R)
• M3: 875,447 km (0.111 R)
• M4: 1,225,805 km (0.062 R)
• M5: 1,817,165 km (0.117 R)
• M6: 2,696,053 km (0.111 R)
• M7: 4,157,474 km (0.096 R)
• M8: 4,990,585 km (0.103 R)
• M9: 5,496,675 km (0.088 R)
• M10: 6,697,197 km (0.033 R)
• M11: 7,466,131 km (0.077 R)
• M12: 7,936,017 km (0.032 R)
• M13: 8,492,372 km (0.087 R)
• M14: 9,109,463 km (0.103 R)
• M15: 10,472,001 km (0.097 R)
• M16: 12,050,557 km (0.046 R)
• M17: 12,479,754 km (0.112 R)
• M18: 13,142,472 km (0.1 R)
• M19: 13,643,326 km (0.091 R)
• M20: 14,394,606 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.6

Radius: 13.6

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.41 AU - 4.19 AU

Year: 4940 Days

Day: 9.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,288,059 km

• M1: 169,345 km (0.104 R)
• M2: 596,896 km (0.11 R)
• M3: 1,353,861 km (0.083 R)
• M4: 1,991,896 km (0.075 R)
• M5: 3,106,101 km (0.089 R)
• M6: 3,961,800 km (0.103 R)
• M7: 4,736,867 km (0.025 R)
• M8: 5,258,964 km (0.056 R)
• M9: 5,898,644 km (0.096 R)
• M10: 8,101,921 km (0.097 R)
• M11: 8,781,395 km (0.088 R)
• M12: 9,535,667 km (0.102 R)
• M13: 9,985,807 km (0.035 R)
• M14: 10,727,514 km (0.091 R)
• M15: 12,321,479 km (0.098 R)
• M16: 12,810,963 km (0.076 R)
• M17: 13,267,386 km (0.097 R)
• M18: 13,829,276 km (0.059 R)
• M19: 14,554,078 km (0.084 R)
• M20: 16,881,222 km (0.111 R)
• M21: 17,541,547 km (0.118 R)
• M22: 19,928,531 km (0.117 R)
• M23: 20,728,730 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651

Radius: 8.5

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.99 AU - 4.45 AU

Year: 5781 Days

Day: 10.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,288,059 km

• M1: 106,065 km (0.099 R)
• M2: 614,997 km (0.071 R)
• M3: 1,086,230 km (0.069 R)
• M4: 1,353,262 km (0.053 R)
• M5: 2,368,882 km (0.105 R)
• M6: 3,447,034 km (0.111 R)
• M7: 3,778,842 km (0.084 R)
• M8: 4,059,488 km (0.119 R)
• M9: 7,762,484 km (0.104 R)
• M10: 9,016,712 km (0.026 R)
• M11: 11,479,542 km (0.082 R)
• M12: 12,323,573 km (0.09 R)
• M13: 17,429,648 km (0.087 R)
• M14: 19,565,008 km (0.055 R)
• M15: 21,130,400 km (0.066 R)
• M16: 22,472,143 km (0.087 R)
• M17: 25,738,463 km (0.114 R)
• M18: 26,922,530 km (0.091 R)
• M19: 29,581,782 km (0.116 R)
• M20: 30,133,798 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.8

Radius: 10.1

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.19 AU - 5.27 AU

Year: 5801 Days

Day: 6.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,288,059 km

• M1: 125,662 km (0.113 R)
• M2: 481,855 km (0.102 R)
• M3: 1,058,854 km (0.069 R)
• M4: 1,373,458 km (0.09 R)
• M5: 1,907,672 km (0.115 R)
• M6: 2,594,326 km (0.102 R)
• M7: 4,862,828 km (0.1 R)
• M8: 6,339,659 km (0.1 R)
• M9: 6,681,639 km (0.087 R)
• M10: 7,667,190 km (0.075 R)
• M11: 8,376,284 km (0.118 R)
• M12: 10,671,265 km (0.117 R)
• M13: 11,156,411 km (0.11 R)
• M14: 11,757,944 km (0.111 R)
• M15: 15,155,910 km (0.106 R)
• M16: 16,980,256 km (0.103 R)
• M17: 17,642,077 km (0.104 R)
• M18: 19,300,369 km (0.104 R)
• M19: 23,733,104 km (0.09 R)
• M20: 28,154,469 km (0.066 R)
• M21: 30,028,631 km (0.064 R)
• M22: 31,290,639 km (0.1 R)
• M23: 32,587,652 km (0.078 R)
• M24: 33,095,986 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.9

Radius: 5.7

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.82 AU - 10.58 AU

Year: 17112 Days

Day: 22.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,288,059 km

• M1: 71,059 km (0.087 R)
• M2: 417,378 km (0.082 R)
• M3: 745,596 km (0.098 R)
• M4: 1,051,673 km (0.113 R)
• M5: 1,257,370 km (0.116 R)
• M6: 1,503,010 km (0.083 R)
• M7: 2,174,854 km (0.068 R)
• M8: 3,809,510 km (0.078 R)
• M9: 5,312,071 km (0.093 R)
• M10: 7,958,457 km (0.047 R)
• M11: 13,630,311 km (0.097 R)
• M12: 13,924,570 km (0.082 R)
• M13: 15,019,477 km (0.088 R)
• M14: 16,700,358 km (0.109 R)
• M15: 18,005,450 km (0.1 R)
• M16: 18,574,820 km (0.105 R)
• M17: 19,674,514 km (0.073 R)
• M18: 20,354,735 km (0.082 R)
• M19: 21,762,152 km (0.09 R)
• M20: 24,508,619 km (0.082 R)
• M21: 25,384,515 km (0.109 R)
• M22: 31,183,676 km (0.075 R)
• M23: 31,797,775 km (0.104 R)
• M24: 32,211,563 km (0.097 R)
• M25: 34,443,264 km (0.074 R)
• M26: 36,662,549 km (0.084 R)
• M27: 38,857,598 km (0.069 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: 358 - 12,075 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit