🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.5

Radius: 12.9

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.69 AU - 0.77 AU

Year: 416 Days

Day: 9.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,380,184 km

• M1: 161,117 km (0.094 R)
• M2: 638,633 km (0.107 R)
• M3: 1,107,323 km (0.071 R)
• M4: 1,532,181 km (0.06 R)
• M5: 2,142,690 km (0.116 R)
• M6: 2,572,635 km (0.074 R)
• M7: 3,028,160 km (0.104 R)
• M8: 3,537,840 km (0.083 R)
• M9: 3,973,469 km (0.117 R)
• M10: 5,501,910 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443

Radius: 14.6

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.89 AU - 2.47 AU

Year: 2146 Days

Day: 7.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,380,184 km

• M1: 181,612 km (0.116 R)
• M2: 748,289 km (0.082 R)
• M3: 1,794,726 km (0.075 R)
• M4: 3,105,203 km (0.108 R)
• M5: 3,834,343 km (0.114 R)
• M6: 7,781,632 km (0.116 R)
• M7: 9,132,352 km (0.083 R)
• M8: 10,252,690 km (0.08 R)
• M9: 12,295,449 km (0.093 R)
• M10: 13,127,363 km (0.115 R)
• M11: 14,467,012 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.7

Radius: 10.7

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.5 AU - 5.7 AU

Year: 6579 Days

Day: 11.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,380,184 km

• M1: 133,142 km (0.091 R)
• M2: 601,683 km (0.093 R)
• M3: 946,207 km (0.095 R)
• M4: 1,485,806 km (0.097 R)
• M5: 2,207,616 km (0.083 R)
• M6: 3,744,883 km (0.102 R)
• M7: 7,878,871 km (0.058 R)
• M8: 9,310,523 km (0.116 R)
• M9: 9,737,325 km (0.094 R)
• M10: 10,356,810 km (0.087 R)
• M11: 20,833,448 km (0.096 R)
• M12: 21,564,832 km (0.12 R)
• M13: 29,664,061 km (0.106 R)
• M14: 30,124,523 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.8

Radius: 11.7

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.62 AU - 5.32 AU

Year: 7389 Days

Day: 9.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,380,184 km

• M1: 145,559 km (0.084 R)
• M2: 795,113 km (0.088 R)
• M3: 1,240,017 km (0.056 R)
• M4: 1,767,349 km (0.101 R)
• M5: 2,172,311 km (0.109 R)
• M6: 3,302,223 km (0.104 R)
• M7: 4,873,749 km (0.077 R)
• M8: 7,150,629 km (0.119 R)
• M9: 7,914,176 km (0.079 R)
• M10: 8,987,242 km (0.092 R)
• M11: 9,514,125 km (0.082 R)
• M12: 10,581,506 km (0.059 R)
• M13: 11,986,978 km (0.114 R)
• M14: 13,175,533 km (0.104 R)
• M15: 13,971,992 km (0.088 R)
• M16: 16,684,950 km (0.044 R)
• M17: 17,080,187 km (0.071 R)
• M18: 19,151,669 km (0.095 R)
• M19: 19,585,353 km (0.051 R)
• M20: 22,246,550 km (0.12 R)
• M21: 23,705,129 km (0.06 R)
• M22: 26,011,031 km (0.096 R)
• M23: 27,173,107 km (0.113 R)
• M24: 29,313,254 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995.2

Radius: 7.8

Gravity: 16.36 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.37 AU - 7.21 AU

Year: 10520 Days

Day: 16.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,380,184 km

• M1: 97,089 km (0.12 R)
• M2: 344,225 km (0.081 R)
• M3: 601,383 km (0.067 R)
• M4: 1,492,688 km (0.079 R)
• M5: 1,767,050 km (0.1 R)
• M6: 2,039,169 km (0.099 R)
• M7: 2,339,412 km (0.108 R)
• M8: 3,197,355 km (0.114 R)
• M9: 3,604,561 km (0.076 R)
• M10: 5,377,295 km (0.099 R)
• M11: 5,624,730 km (0.051 R)
• M12: 6,571,535 km (0.078 R)
• M13: 7,316,383 km (0.098 R)
• M14: 8,395,433 km (0.051 R)
• M15: 8,973,030 km (0.049 R)
• M16: 10,047,292 km (0.118 R)
• M17: 11,786,367 km (0.117 R)
• M18: 13,717,078 km (0.104 R)
• M19: 15,420,549 km (0.113 R)
• M20: 15,921,851 km (0.049 R)
• M21: 18,834,222 km (0.039 R)
• M22: 19,739,289 km (0.108 R)
• M23: 21,814,511 km (0.1 R)
• M24: 22,812,478 km (0.096 R)
• M25: 28,583,216 km (0.098 R)
• M26: 30,779,164 km (0.072 R)
• M27: 32,381,656 km (0.034 R)
• M28: 33,918,774 km (0.091 R)
• M29: 36,756,346 km (0.12 R)
• M30: 40,150,273 km (0.057 R)
• M31: 52,534,583 km (0.057 R)
• M32: 53,995,556 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 566.8

Radius: 6

Gravity: 15.74 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 8.2 AU - 9.2 AU

Year: 17112 Days

Day: 23.2 Hours

Environment

Temp: -243 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,380,184 km

• M1: 258,804 km (0.084 R)
• M2: 620,532 km (0.04 R)
• M3: 1,217,876 km (0.112 R)
• M4: 2,027,650 km (0.072 R)
• M5: 3,830,753 km (0.11 R)
• M6: 6,793,688 km (0.08 R)
• M7: 7,053,839 km (0.108 R)
• M8: 7,502,034 km (0.088 R)
• M9: 8,504,789 km (0.107 R)
• M10: 9,379,786 km (0.116 R)
• M11: 14,959,787 km (0.099 R)
• M12: 16,617,780 km (0.085 R)
• M13: 19,502,027 km (0.074 R)
• M14: 19,939,601 km (0.104 R)
• M15: 24,277,042 km (0.064 R)
• M16: 27,095,166 km (0.116 R)
• M17: 27,312,233 km (0.069 R)
• M18: 27,639,852 km (0.049 R)
• M19: 28,526,668 km (0.101 R)
• M20: 32,021,125 km (0.097 R)
• M21: 33,370,797 km (0.09 R)
• M22: 34,122,826 km (0.099 R)
• M23: 35,790,692 km (0.091 R)
• M24: 43,897,102 km (0.034 R)
• M25: 44,196,597 km (0.112 R)
• M26: 44,799,626 km (0.098 R)
• M27: 53,315,484 km (0.085 R)
• M28: 53,827,408 km (0.117 R)
• M29: 54,861,130 km (0.1 R)
• M30: 55,208,645 km (0.1 R)
• M31: 56,790,493 km (0.072 R)
• M32: 60,784,008 km (0.107 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 15,322 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit