🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.4

Radius: 10

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.53 AU - 0.53 AU

Year: 271 Days

Day: 9.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,805,668 km

• M1: 125,064 km (0.097 R)
• M2: 439,668 km (0.102 R)
• M3: 753,225 km (0.106 R)
• M4: 1,074,861 km (0.119 R)
• M5: 1,444,218 km (0.084 R)
• M6: 1,919,939 km (0.111 R)
• M7: 3,249,715 km (0.074 R)
• M8: 3,578,979 km (0.068 R)
• M9: 4,096,887 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230

Radius: 11.6

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.63 AU - 0.83 AU

Year: 438 Days

Day: 6.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,805,668 km

• M1: 144,212 km (0.112 R)
• M2: 644,019 km (0.054 R)
• M3: 1,029,533 km (0.096 R)
• M4: 1,539,212 km (0.067 R)
• M5: 2,130,423 km (0.114 R)
• M6: 2,714,005 km (0.091 R)
• M7: 3,147,090 km (0.088 R)
• M8: 3,582,869 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.6

Radius: 9.5

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.09 AU - 1.69 AU

Year: 1152 Days

Day: 14.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 56.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,805,668 km

• M1: 126,261 km (0.045 R)
• M2: 447,148 km (0.097 R)
• M3: 760,705 km (0.11 R)
• M4: 1,131,857 km (0.097 R)
• M5: 1,740,122 km (0.087 R)
• M6: 2,051,286 km (0.066 R)
• M7: 3,176,262 km (0.092 R)
• M8: 3,817,887 km (0.095 R)
• M9: 4,315,001 km (0.11 R)
• M10: 4,873,599 km (0.093 R)
• M11: 5,602,440 km (0.096 R)
• M12: 6,004,111 km (0.059 R)
• M13: 7,425,290 km (0.1 R)
• M14: 7,989,125 km (0.058 R)
• M15: 10,821,611 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.3

Radius: 8.6

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.77 AU - 2.89 AU

Year: 2500 Days

Day: 11 Hours

Environment

Temp: -198 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,805,668 km

• M1: 106,962 km (0.112 R)
• M2: 504,294 km (0.094 R)
• M3: 877,092 km (0.077 R)
• M4: 1,555,369 km (0.092 R)
• M5: 1,827,488 km (0.079 R)
• M6: 2,154,658 km (0.106 R)
• M7: 2,432,013 km (0.119 R)
• M8: 3,148,586 km (0.108 R)
• M9: 4,308,269 km (0.082 R)
• M10: 5,913,604 km (0.089 R)
• M11: 6,291,787 km (0.091 R)
• M12: 6,610,730 km (0.111 R)
• M13: 7,996,305 km (0.114 R)
• M14: 8,727,241 km (0.094 R)
• M15: 9,955,589 km (0.064 R)
• M16: 10,355,613 km (0.088 R)
• M17: 10,801,265 km (0.099 R)
• M18: 11,804,319 km (0.119 R)
• M19: 12,404,655 km (0.097 R)
• M20: 12,673,632 km (0.039 R)
• M21: 13,303,290 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.3

Radius: 8.8

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.91 AU - 2.97 AU

Year: 3543 Days

Day: 6.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,805,668 km

• M1: 109,506 km (0.107 R)
• M2: 499,956 km (0.085 R)
• M3: 979,118 km (0.061 R)
• M4: 1,300,454 km (0.082 R)
• M5: 2,224,072 km (0.114 R)
• M6: 2,522,669 km (0.108 R)
• M7: 3,347,851 km (0.091 R)
• M8: 3,653,928 km (0.096 R)
• M9: 4,129,200 km (0.05 R)
• M10: 5,639,092 km (0.119 R)
• M11: 6,074,272 km (0.111 R)
• M12: 6,957,199 km (0.106 R)
• M13: 7,775,798 km (0.075 R)
• M14: 15,071,387 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323

Radius: 9.1

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.66 AU - 5 AU

Year: 6333 Days

Day: 5.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 31,805,668 km

• M1: 120,725 km (0.085 R)
• M2: 442,211 km (0.104 R)
• M3: 1,134,101 km (0.039 R)
• M4: 1,535,173 km (0.109 R)
• M5: 2,071,631 km (0.091 R)
• M6: 2,626,789 km (0.068 R)
• M7: 2,994,501 km (0.11 R)
• M8: 3,579,578 km (0.105 R)
• M9: 4,033,159 km (0.096 R)
• M10: 4,925,360 km (0.102 R)
• M11: 5,740,818 km (0.04 R)
• M12: 6,151,016 km (0.119 R)
• M13: 6,707,071 km (0.115 R)
• M14: 8,354,592 km (0.096 R)
• M15: 8,843,628 km (0.098 R)
• M16: 10,860,656 km (0.036 R)
• M17: 11,216,848 km (0.08 R)
• M18: 11,812,397 km (0.11 R)
• M19: 13,267,237 km (0.084 R)
• M20: 14,248,150 km (0.118 R)
• M21: 16,881,821 km (0.083 R)
• M22: 17,541,996 km (0.103 R)
• M23: 21,311,563 km (0.104 R)
• M24: 26,140,882 km (0.055 R)
• M25: 26,459,824 km (0.058 R)
• M26: 26,781,460 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.1

Radius: 13.2

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.02 AU - 4.72 AU

Year: 6421 Days

Day: 6.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,805,668 km

• M1: 164,109 km (0.086 R)
• M2: 618,138 km (0.105 R)
• M3: 1,400,535 km (0.097 R)
• M4: 2,020,618 km (0.059 R)
• M5: 2,819,471 km (0.116 R)
• M6: 3,677,265 km (0.115 R)
• M7: 4,786,384 km (0.095 R)
• M8: 5,373,256 km (0.045 R)
• M9: 6,074,122 km (0.1 R)
• M10: 8,054,349 km (0.093 R)
• M11: 8,801,441 km (0.066 R)
• M12: 9,280,304 km (0.072 R)
• M13: 9,822,596 km (0.071 R)
• M14: 11,271,601 km (0.095 R)
• M15: 12,153,481 km (0.104 R)
• M16: 18,300,158 km (0.087 R)
• M17: 19,738,990 km (0.098 R)
• M18: 21,174,382 km (0.114 R)
• M19: 23,249,903 km (0.076 R)
• M20: 26,612,863 km (0.106 R)
• M21: 27,988,565 km (0.026 R)
• M22: 33,125,606 km (0.09 R)
• M23: 35,258,423 km (0.051 R)
• M24: 38,166,007 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.5

Radius: 14.4

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.35 AU - 5.35 AU

Year: 8698 Days

Day: 10.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,805,668 km

• M1: 179,517 km (0.083 R)
• M2: 667,356 km (0.106 R)
• M3: 1,205,759 km (0.12 R)
• M4: 1,679,386 km (0.08 R)
• M5: 2,910,127 km (0.112 R)
• M6: 3,504,779 km (0.098 R)
• M7: 4,941,068 km (0.06 R)
• M8: 5,644,477 km (0.109 R)
• M9: 7,464,186 km (0.076 R)
• M10: 8,276,951 km (0.113 R)
• M11: 9,437,980 km (0.08 R)
• M12: 10,211,551 km (0.095 R)
• M13: 10,750,402 km (0.11 R)
• M14: 11,403,247 km (0.115 R)
• M15: 14,561,408 km (0.094 R)
• M16: 15,477,994 km (0.083 R)
• M17: 16,554,800 km (0.111 R)
• M18: 17,873,355 km (0.084 R)
• M19: 20,365,656 km (0.106 R)
• M20: 21,512,024 km (0.099 R)
• M21: 22,701,028 km (0.118 R)
• M22: 23,698,995 km (0.1 R)
• M23: 27,985,722 km (0.083 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 11,860 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit