🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.3

Radius: 12.9

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.63 AU - 0.81 AU

Year: 407 Days

Day: 14.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,634,635 km

• M1: 160,519 km (0.116 R)
• M2: 686,205 km (0.116 R)
• M3: 1,148,463 km (0.12 R)
• M4: 1,557,463 km (0.116 R)
• M5: 2,339,711 km (0.069 R)
• M6: 2,861,508 km (0.107 R)
• M7: 3,358,771 km (0.112 R)
• M8: 3,778,543 km (0.052 R)
• M9: 4,970,240 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.7

Radius: 14

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.66 AU - 0.9 AU

Year: 459 Days

Day: 14.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 125.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,634,635 km

• M1: 174,282 km (0.112 R)
• M2: 628,760 km (0.113 R)
• M3: 1,064,239 km (0.066 R)
• M4: 1,755,232 km (0.103 R)
• M5: 2,534,338 km (0.03 R)
• M6: 3,304,916 km (0.109 R)
• M7: 4,227,187 km (0.101 R)
• M8: 4,687,799 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.6

Radius: 11.5

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.72 AU - 0.98 AU

Year: 523 Days

Day: 5.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,634,635 km

• M1: 143,016 km (0.066 R)
• M2: 539,600 km (0.059 R)
• M3: 928,704 km (0.12 R)
• M4: 2,295,131 km (0.07 R)
• M5: 2,896,364 km (0.069 R)
• M6: 3,971,973 km (0.087 R)
• M7: 4,554,358 km (0.105 R)
• M8: 5,192,841 km (0.033 R)
• M9: 6,117,207 km (0.039 R)
• M10: 7,042,021 km (0.101 R)

Asteroid Belt

Center: 1.76 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.6

Radius: 14

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.31 AU - 3.01 AU

Year: 2893 Days

Day: 11.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,634,635 km

• M1: 176,525 km (0.115 R)
• M2: 715,676 km (0.114 R)
• M3: 1,195,437 km (0.108 R)
• M4: 1,811,481 km (0.1 R)
• M5: 2,351,230 km (0.061 R)
• M6: 2,971,163 km (0.07 R)
• M7: 4,311,710 km (0.115 R)
• M8: 5,089,170 km (0.086 R)
• M9: 6,780,224 km (0.093 R)
• M10: 7,344,059 km (0.106 R)
• M11: 9,433,791 km (0.118 R)
• M12: 10,844,050 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.9

Radius: 10.6

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.3 AU - 3.7 AU

Year: 3465 Days

Day: 5.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,634,635 km

• M1: 131,796 km (0.116 R)
• M2: 473,477 km (0.074 R)
• M3: 1,135,597 km (0.026 R)
• M4: 1,626,877 km (0.11 R)
• M5: 2,453,555 km (0.104 R)
• M6: 3,079,173 km (0.093 R)
• M7: 3,829,257 km (0.029 R)
• M8: 4,316,796 km (0.106 R)
• M9: 4,971,287 km (0.084 R)
• M10: 5,831,325 km (0.088 R)
• M11: 6,237,633 km (0.115 R)
• M12: 7,172,320 km (0.084 R)
• M13: 7,537,489 km (0.12 R)
• M14: 8,450,634 km (0.057 R)
• M15: 8,783,340 km (0.119 R)
• M16: 9,201,765 km (0.108 R)
• M17: 15,211,261 km (0.118 R)
• M18: 15,594,232 km (0.074 R)
• M19: 16,666,100 km (0.104 R)
• M20: 18,089,375 km (0.083 R)
• M21: 18,705,718 km (0.109 R)
• M22: 19,145,386 km (0.075 R)
• M23: 20,045,516 km (0.091 R)
• M24: 21,653,993 km (0.076 R)
• M25: 24,003,726 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.8

Radius: 10.2

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.64 AU - 5.52 AU

Year: 7635 Days

Day: 6.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,634,635 km

• M1: 132,544 km (0.114 R)
• M2: 460,013 km (0.075 R)
• M3: 882,927 km (0.114 R)
• M4: 1,507,199 km (0.108 R)
• M5: 2,174,555 km (0.106 R)
• M6: 2,687,077 km (0.074 R)
• M7: 4,114,689 km (0.07 R)
• M8: 4,595,647 km (0.08 R)
• M9: 4,954,233 km (0.114 R)
• M10: 5,584,339 km (0.033 R)
• M11: 8,884,169 km (0.059 R)
• M12: 9,240,660 km (0.107 R)
• M13: 12,349,903 km (0.075 R)
• M14: 13,352,807 km (0.113 R)
• M15: 13,926,963 km (0.102 R)
• M16: 14,957,394 km (0.111 R)
• M17: 16,687,044 km (0.119 R)
• M18: 17,169,946 km (0.102 R)
• M19: 20,333,791 km (0.078 R)
• M20: 24,480,046 km (0.096 R)
• M21: 26,220,916 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.5

Radius: 3.1

Gravity: 57.6 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 8.86 AU - 9.02 AU

Year: 17825 Days

Day: 20.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,634,635 km

• M1: 38,596 km (0.105 R)
• M2: 192,832 km (0.079 R)
• M3: 595,400 km (0.076 R)
• M4: 765,941 km (0.066 R)
• M5: 968,197 km (0.087 R)
• M6: 1,113,457 km (0.062 R)
• M7: 1,722,619 km (0.064 R)
• M8: 2,899,506 km (0.061 R)
• M9: 4,050,662 km (0.066 R)
• M10: 9,261,903 km (0.063 R)
• M11: 11,869,544 km (0.083 R)
• M12: 18,303,449 km (0.111 R)
• M13: 20,033,698 km (0.07 R)
• M14: 20,664,103 km (0.03 R)
• M15: 20,846,613 km (0.064 R)
• M16: 22,154,547 km (0.107 R)
• M17: 22,441,775 km (0.034 R)
• M18: 23,615,520 km (0.074 R)
• M19: 29,061,630 km (0.082 R)
• M20: 31,648,626 km (0.041 R)
• M21: 31,891,274 km (0.087 R)
• M22: 35,157,893 km (0.097 R)
• M23: 42,493,275 km (0.116 R)
• M24: 52,801,167 km (0.106 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 17,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit