🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133

Radius: 11.6

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.95 AU - 1.01 AU

Year: 626 Days

Day: 14.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 19,366,590 km

• M1: 144,212 km (0.119 R)
• M2: 609,462 km (0.075 R)
• M3: 1,167,911 km (0.095 R)
• M4: 1,937,442 km (0.102 R)
• M5: 2,671,519 km (0.093 R)
• M6: 3,098,770 km (0.106 R)
• M7: 3,638,220 km (0.07 R)
• M8: 4,153,286 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.4

Radius: 13.6

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.94 AU - 1.28 AU

Year: 755 Days

Day: 10.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,366,590 km

• M1: 169,195 km (0.08 R)
• M2: 610,659 km (0.075 R)
• M3: 1,042,697 km (0.088 R)
• M4: 1,662,780 km (0.059 R)
• M5: 2,762,624 km (0.089 R)
• M6: 3,514,952 km (0.117 R)
• M7: 4,981,459 km (0.097 R)
• M8: 5,446,260 km (0.077 R)
• M9: 5,870,370 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763

Radius: 11.8

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.58 AU - 1.96 AU

Year: 1520 Days

Day: 9 Hours

Environment

Temp: -184 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,366,590 km

• M1: 146,905 km (0.036 R)
• M2: 517,459 km (0.092 R)
• M3: 897,288 km (0.095 R)
• M4: 1,299,706 km (0.03 R)
• M5: 1,876,855 km (0.071 R)
• M6: 2,477,341 km (0.087 R)
• M7: 3,157,263 km (0.118 R)
• M8: 3,566,563 km (0.083 R)
• M9: 4,155,679 km (0.095 R)
• M10: 4,688,696 km (0.109 R)
• M11: 5,663,476 km (0.11 R)
• M12: 6,641,996 km (0.109 R)
• M13: 7,535,993 km (0.104 R)
• M14: 8,214,269 km (0.114 R)
• M15: 8,901,971 km (0.101 R)
• M16: 10,702,531 km (0.083 R)
• M17: 12,080,926 km (0.07 R)
• M18: 13,050,170 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.2

Radius: 10.5

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.24 AU - 3.1 AU

Year: 2817 Days

Day: 12.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,366,590 km

• M1: 148,700 km (0.047 R)
• M2: 958,025 km (0.044 R)
• M3: 1,633,310 km (0.095 R)
• M4: 2,532,991 km (0.085 R)
• M5: 3,454,364 km (0.04 R)
• M6: 3,788,716 km (0.116 R)
• M7: 6,072,626 km (0.11 R)
• M8: 7,978,802 km (0.071 R)
• M9: 9,657,590 km (0.09 R)
• M10: 10,580,160 km (0.118 R)
• M11: 12,974,175 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.9

Radius: 3

Gravity: 75.99 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.65 AU - 8.29 AU

Year: 11881 Days

Day: 16.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 19,366,590 km

• M1: 37,250 km (0.085 R)
• M2: 147,354 km (0.117 R)
• M3: 320,289 km (0.12 R)
• M4: 563,685 km (0.088 R)
• M5: 917,334 km (0.088 R)
• M6: 1,036,713 km (0.085 R)
• M7: 1,130,062 km (0.115 R)
• M8: 1,360,742 km (0.088 R)
• M9: 1,715,888 km (0.087 R)
• M10: 2,148,076 km (0.113 R)
• M11: 2,439,941 km (0.066 R)
• M12: 3,321,970 km (0.1 R)
• M13: 3,631,339 km (0.083 R)
• M14: 3,903,607 km (0.093 R)
• M15: 4,833,956 km (0.074 R)
• M16: 5,029,630 km (0.107 R)
• M17: 5,196,731 km (0.086 R)
• M18: 5,402,278 km (0.059 R)
• M19: 6,550,891 km (0.097 R)
• M20: 7,161,250 km (0.047 R)
• M21: 7,632,184 km (0.096 R)
• M22: 9,418,233 km (0.1 R)
• M23: 13,211,736 km (0.079 R)
• M24: 13,594,258 km (0.04 R)
• M25: 16,189,631 km (0.114 R)
• M26: 16,923,708 km (0.118 R)
• M27: 18,616,258 km (0.086 R)
• M28: 20,757,901 km (0.107 R)
• M29: 25,424,906 km (0.029 R)
• M30: 26,415,244 km (0.057 R)
• M31: 27,328,240 km (0.11 R)
• M32: 28,577,980 km (0.06 R)
• M33: 30,855,907 km (0.063 R)
• M34: 33,486,287 km (0.052 R)
• M35: 43,654,155 km (0.077 R)
• M36: 45,502,885 km (0.101 R)
• M37: 48,297,673 km (0.11 R)
• M38: 53,580,572 km (0.056 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.1

Radius: 5.9

Gravity: 17.12 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.48 AU - 9.46 AU

Year: 14528 Days

Day: 15.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 19,366,590 km

• M1: 74,051 km (0.084 R)
• M2: 438,621 km (0.09 R)
• M3: 786,735 km (0.062 R)
• M4: 1,332,917 km (0.04 R)
• M5: 1,720,525 km (0.101 R)
• M6: 2,630,379 km (0.059 R)
• M7: 3,067,205 km (0.095 R)
• M8: 3,741,742 km (0.096 R)
• M9: 4,637,833 km (0.034 R)
• M10: 5,204,959 km (0.078 R)
• M11: 5,780,013 km (0.063 R)
• M12: 6,886,738 km (0.109 R)
• M13: 7,141,204 km (0.048 R)
• M14: 7,357,971 km (0.112 R)
• M15: 7,668,836 km (0.103 R)
• M16: 8,605,468 km (0.115 R)
• M17: 9,616,301 km (0.117 R)
• M18: 9,827,533 km (0.064 R)
• M19: 10,424,578 km (0.09 R)
• M20: 13,978,425 km (0.088 R)
• M21: 15,298,626 km (0.106 R)
• M22: 16,548,367 km (0.071 R)
• M23: 17,236,816 km (0.113 R)
• M24: 18,834,970 km (0.111 R)
• M25: 19,669,876 km (0.047 R)
• M26: 20,268,866 km (0.092 R)
• M27: 26,320,698 km (0.089 R)
• M28: 27,469,311 km (0.114 R)
• M29: 29,089,007 km (0.115 R)
• M30: 30,429,703 km (0.091 R)
• M31: 31,345,990 km (0.104 R)
• M32: 32,635,823 km (0.094 R)
• M33: 35,572,130 km (0.05 R)
• M34: 49,236,250 km (0.117 R)
• M35: 50,976,821 km (0.074 R)
• M36: 51,781,358 km (0.037 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.3

Radius: 6.7

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 6.66 AU - 9.84 AU

Year: 15300 Days

Day: 16.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,366,590 km

• M1: 105,616 km (0.09 R)
• M2: 422,315 km (0.07 R)
• M3: 739,163 km (0.06 R)
• M4: 1,200,972 km (0.07 R)
• M5: 2,566,800 km (0.092 R)
• M6: 3,598,427 km (0.027 R)
• M7: 8,716,320 km (0.084 R)
• M8: 9,699,477 km (0.048 R)
• M9: 15,694,163 km (0.107 R)
• M10: 16,826,021 km (0.04 R)
• M11: 17,037,552 km (0.119 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 20,267 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit