🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.2

Radius: 10.4

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.52 AU - 0.68 AU

Year: 310 Days

Day: 14.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,480,369 km

• M1: 129,402 km (0.105 R)
• M2: 530,175 km (0.063 R)
• M3: 875,447 km (0.043 R)
• M4: 1,389,315 km (0.096 R)
• M5: 1,767,050 km (0.112 R)
• M6: 2,138,352 km (0.118 R)
• M7: 2,695,754 km (0.094 R)
• M8: 3,083,661 km (0.025 R)
• M9: 3,639,118 km (0.038 R)
• M10: 4,024,183 km (0.068 R)
• M11: 4,381,572 km (0.066 R)
• M12: 4,774,715 km (0.057 R)
• M13: 5,222,162 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.5

Radius: 9.8

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.86 AU - 1.12 AU

Year: 657 Days

Day: 6.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,480,369 km

• M1: 121,922 km (0.104 R)
• M2: 459,714 km (0.101 R)
• M3: 829,670 km (0.092 R)
• M4: 1,483,412 km (0.078 R)
• M5: 1,907,522 km (0.105 R)
• M6: 2,240,378 km (0.062 R)
• M7: 2,685,282 km (0.078 R)
• M8: 3,071,394 km (0.105 R)
• M9: 3,901,363 km (0.116 R)
• M10: 4,266,830 km (0.067 R)
• M11: 4,779,353 km (0.104 R)
• M12: 5,215,281 km (0.103 R)
• M13: 5,730,496 km (0.041 R)
• M14: 6,393,364 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.8

Radius: 9.8

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.15 AU - 1.23 AU

Year: 866 Days

Day: 12 Hours

Environment

Temp: -176 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,480,369 km

• M1: 121,922 km (0.058 R)
• M2: 509,680 km (0.101 R)
• M3: 864,825 km (0.09 R)
• M4: 1,240,615 km (0.075 R)
• M5: 1,550,881 km (0.112 R)
• M6: 2,588,941 km (0.051 R)
• M7: 2,988,517 km (0.102 R)
• M8: 3,990,074 km (0.083 R)
• M9: 4,491,826 km (0.113 R)
• M10: 5,017,213 km (0.114 R)
• M11: 5,661,531 km (0.116 R)
• M12: 7,277,637 km (0.05 R)
• M13: 8,936,528 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.4

Radius: 11.5

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.23 AU - 1.53 AU

Year: 1081 Days

Day: 9.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,480,369 km

• M1: 143,016 km (0.088 R)
• M2: 538,702 km (0.11 R)
• M3: 921,822 km (0.062 R)
• M4: 1,495,680 km (0.108 R)
• M5: 2,328,042 km (0.088 R)
• M6: 3,667,990 km (0.104 R)
• M7: 5,537,515 km (0.092 R)
• M8: 6,123,490 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.6

Radius: 10.5

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.01 AU - 2.17 AU

Year: 2015 Days

Day: 5.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,480,369 km

• M1: 164,408 km (0.111 R)
• M2: 654,640 km (0.082 R)
• M3: 1,178,682 km (0.049 R)
• M4: 2,134,911 km (0.116 R)
• M5: 2,837,273 km (0.054 R)
• M6: 3,507,322 km (0.098 R)
• M7: 3,927,842 km (0.05 R)
• M8: 5,637,297 km (0.112 R)
• M9: 5,976,585 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.8

Radius: 10.2

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.28 AU - 5.08 AU

Year: 5699 Days

Day: 6.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,480,369 km

• M1: 126,859 km (0.074 R)
• M2: 1,190,201 km (0.056 R)
• M3: 1,513,033 km (0.114 R)
• M4: 2,308,744 km (0.072 R)
• M5: 3,153,822 km (0.109 R)
• M6: 7,546,315 km (0.1 R)
• M7: 8,512,867 km (0.083 R)
• M8: 12,472,872 km (0.116 R)
• M9: 14,330,130 km (0.119 R)
• M10: 14,792,537 km (0.104 R)
• M11: 15,504,922 km (0.079 R)
• M12: 15,992,461 km (0.097 R)
• M13: 16,427,342 km (0.076 R)
• M14: 17,256,114 km (0.107 R)
• M15: 17,582,088 km (0.077 R)
• M16: 18,381,539 km (0.076 R)
• M17: 20,196,311 km (0.066 R)
• M18: 21,147,305 km (0.08 R)
• M19: 22,902,387 km (0.104 R)
• M20: 25,671,593 km (0.061 R)
• M21: 30,994,285 km (0.075 R)
• M22: 34,270,479 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.5

Radius: 5.5

Gravity: 28.45 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 7.52 AU - 10.7 AU

Year: 18336 Days

Day: 22 Hours

Environment

Temp: -233 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,480,369 km

• M1: 68,366 km (0.103 R)
• M2: 250,576 km (0.108 R)
• M3: 961,914 km (0.101 R)
• M4: 1,206,806 km (0.036 R)
• M5: 1,508,994 km (0.114 R)
• M6: 2,200,585 km (0.096 R)
• M7: 2,677,054 km (0.04 R)
• M8: 4,150,743 km (0.068 R)
• M9: 4,451,733 km (0.114 R)
• M10: 4,625,117 km (0.112 R)
• M11: 4,875,544 km (0.076 R)
• M12: 5,287,387 km (0.06 R)
• M13: 6,223,122 km (0.027 R)
• M14: 8,312,555 km (0.028 R)
• M15: 8,523,039 km (0.084 R)
• M16: 9,120,234 km (0.097 R)
• M17: 10,276,925 km (0.105 R)
• M18: 11,270,105 km (0.116 R)
• M19: 11,658,611 km (0.083 R)
• M20: 12,668,845 km (0.1 R)
• M21: 16,457,262 km (0.112 R)
• M22: 18,428,662 km (0.108 R)
• M23: 18,967,813 km (0.085 R)
• M24: 20,552,354 km (0.092 R)
• M25: 24,302,024 km (0.064 R)
• M26: 26,280,756 km (0.029 R)
• M27: 29,813,210 km (0.103 R)
• M28: 33,782,790 km (0.092 R)
• M29: 37,229,973 km (0.104 R)
• M30: 39,111,765 km (0.073 R)
• M31: 40,001,274 km (0.09 R)
• M32: 42,594,852 km (0.088 R)
• M33: 50,868,811 km (0.079 R)
• M34: 59,565,384 km (0.111 R)
• M35: 69,417,302 km (0.1 R)
• M36: 70,284,072 km (0.088 R)
• M37: 77,480,328 km (0.067 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 11,858 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit