🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.2

Radius: 11.6

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.61 AU - 0.63 AU

Year: 326 Days

Day: 12.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,775,408 km

• M1: 144,212 km (0.072 R)
• M2: 529,876 km (0.065 R)
• M3: 898,335 km (0.051 R)
• M4: 1,599,201 km (0.112 R)
• M5: 1,994,738 km (0.03 R)
• M6: 2,600,759 km (0.07 R)
• M7: 2,968,171 km (0.094 R)
• M8: 3,955,816 km (0.113 R)
• M9: 4,431,687 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.8

Radius: 14.2

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.74 AU - 0.8 AU

Year: 451 Days

Day: 6.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,775,408 km

• M1: 182,210 km (0.075 R)
• M2: 637,586 km (0.061 R)
• M3: 1,221,467 km (0.083 R)
• M4: 1,822,700 km (0.046 R)
• M5: 2,285,556 km (0.098 R)
• M6: 2,817,975 km (0.106 R)
• M7: 3,312,097 km (0.117 R)
• M8: 3,768,071 km (0.045 R)
• M9: 4,331,606 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101

Radius: 13.5

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.75 AU - 0.83 AU

Year: 468 Days

Day: 11 Hours

Environment

Temp: -155 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 39,775,408 km

• M1: 167,998 km (0.089 R)
• M2: 802,593 km (0.102 R)
• M3: 1,500,766 km (0.105 R)
• M4: 1,952,851 km (0.051 R)
• M5: 2,598,814 km (0.037 R)
• M6: 3,052,545 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.4

Radius: 9.5

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.12 AU - 1.3 AU

Year: 888 Days

Day: 12.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,775,408 km

• M1: 119,230 km (0.083 R)
• M2: 418,874 km (0.088 R)
• M3: 755,320 km (0.1 R)
• M4: 1,171,800 km (0.039 R)
• M5: 1,579,604 km (0.113 R)
• M6: 2,191,310 km (0.099 R)
• M7: 3,029,656 km (0.113 R)
• M8: 4,131,444 km (0.107 R)
• M9: 4,888,410 km (0.118 R)
• M10: 6,017,574 km (0.119 R)
• M11: 6,480,281 km (0.118 R)
• M12: 7,453,415 km (0.118 R)
• M13: 7,814,993 km (0.087 R)
• M14: 8,264,086 km (0.105 R)
• M15: 8,783,340 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.2

Radius: 8.9

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.42 AU - 1.68 AU

Year: 1287 Days

Day: 6.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 39,775,408 km

• M1: 120,127 km (0.096 R)
• M2: 635,641 km (0.11 R)
• M3: 2,313,980 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.5

Radius: 9.5

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.96 AU - 2 AU

Year: 1858 Days

Day: 5.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,775,408 km

• M1: 118,182 km (0.052 R)
• M2: 417,228 km (0.117 R)
• M3: 958,025 km (0.105 R)
• M4: 2,492,450 km (0.062 R)
• M5: 3,187,631 km (0.104 R)
• M6: 4,019,545 km (0.101 R)
• M7: 4,640,975 km (0.11 R)
• M8: 5,186,109 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.9

Radius: 8.6

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.34 AU - 3.52 AU

Year: 4236 Days

Day: 10.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,775,408 km

• M1: 107,710 km (0.093 R)
• M2: 499,208 km (0.115 R)
• M3: 814,860 km (0.062 R)
• M4: 1,107,623 km (0.077 R)
• M5: 1,513,332 km (0.119 R)
• M6: 1,840,951 km (0.1 R)
• M7: 2,147,777 km (0.111 R)
• M8: 2,459,090 km (0.05 R)
• M9: 2,784,465 km (0.046 R)
• M10: 3,503,133 km (0.106 R)
• M11: 4,167,198 km (0.076 R)
• M12: 4,677,925 km (0.1 R)
• M13: 5,534,523 km (0.098 R)
• M14: 6,549,694 km (0.111 R)
• M15: 6,904,241 km (0.118 R)
• M16: 8,591,256 km (0.099 R)
• M17: 9,052,766 km (0.073 R)
• M18: 13,595,604 km (0.066 R)
• M19: 14,124,881 km (0.083 R)
• M20: 16,112,439 km (0.083 R)
• M21: 18,924,430 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.9

Radius: 10

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.41 AU - 4.07 AU

Year: 4823 Days

Day: 9.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,775,408 km

• M1: 126,859 km (0.113 R)
• M2: 631,303 km (0.063 R)
• M3: 1,093,560 km (0.09 R)
• M4: 1,517,371 km (0.111 R)
• M5: 1,909,018 km (0.029 R)
• M6: 2,397,007 km (0.109 R)
• M7: 3,140,359 km (0.085 R)
• M8: 3,723,341 km (0.054 R)
• M9: 5,563,694 km (0.087 R)
• M10: 6,741,628 km (0.096 R)
• M11: 7,075,979 km (0.106 R)
• M12: 7,485,429 km (0.063 R)
• M13: 7,910,586 km (0.053 R)
• M14: 8,631,498 km (0.101 R)
• M15: 9,433,193 km (0.11 R)
• M16: 11,016,836 km (0.089 R)
• M17: 11,610,740 km (0.111 R)
• M18: 13,331,115 km (0.096 R)
• M19: 15,111,779 km (0.092 R)
• M20: 15,580,618 km (0.087 R)
• M21: 16,989,830 km (0.088 R)
• M22: 18,719,331 km (0.101 R)
• M23: 21,074,600 km (0.042 R)
• M24: 22,256,423 km (0.058 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.2

Radius: 8

Gravity: 14.22 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.71 AU - 5.47 AU

Year: 6558 Days

Day: 11.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 39,775,408 km

• M1: 103,372 km (0.058 R)
• M2: 516,262 km (0.096 R)
• M3: 788,830 km (0.117 R)
• M4: 1,270,086 km (0.107 R)
• M5: 1,672,654 km (0.111 R)
• M6: 2,914,765 km (0.034 R)
• M7: 3,643,157 km (0.115 R)
• M8: 4,063,078 km (0.083 R)
• M9: 4,710,388 km (0.038 R)
• M10: 5,148,860 km (0.099 R)
• M11: 5,873,661 km (0.073 R)
• M12: 8,626,711 km (0.096 R)
• M13: 10,258,375 km (0.109 R)
• M14: 10,745,914 km (0.03 R)
• M15: 11,402,798 km (0.104 R)
• M16: 11,979,199 km (0.097 R)
• M17: 12,301,732 km (0.092 R)
• M18: 12,574,898 km (0.115 R)
• M19: 14,240,072 km (0.055 R)
• M20: 17,174,733 km (0.117 R)
• M21: 18,142,332 km (0.087 R)
• M22: 19,365,594 km (0.114 R)
• M23: 20,951,481 km (0.107 R)
• M24: 21,341,483 km (0.117 R)
• M25: 21,736,271 km (0.095 R)
• M26: 23,115,265 km (0.102 R)
• M27: 23,868,490 km (0.045 R)
• M28: 24,811,106 km (0.04 R)
• M29: 25,689,395 km (0.07 R)
• M30: 28,258,739 km (0.09 R)
• M31: 29,119,824 km (0.04 R)
• M32: 29,899,678 km (0.106 R)
• M33: 34,439,973 km (0.106 R)
• M34: 36,535,091 km (0.081 R)
• M35: 38,480,462 km (0.074 R)
• M36: 39,537,820 km (0.03 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 14,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit