🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.9

Radius: 8.8

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.62 AU - 0.78 AU

Year: 412 Days

Day: 13.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,931,407 km

• M1: 109,506 km (0.117 R)
• M2: 438,023 km (0.049 R)
• M3: 730,038 km (0.05 R)
• M4: 1,101,489 km (0.058 R)
• M5: 2,154,808 km (0.116 R)
• M6: 2,915,064 km (0.116 R)
• M7: 3,560,280 km (0.117 R)
• M8: 4,078,786 km (0.115 R)
• M9: 4,402,965 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.1

Radius: 8.5

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.49 AU - 1.81 AU

Year: 1490 Days

Day: 8.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,931,407 km

• M1: 105,766 km (0.069 R)
• M2: 470,037 km (0.086 R)
• M3: 1,389,764 km (0.086 R)
• M4: 1,895,405 km (0.088 R)
• M5: 2,365,741 km (0.069 R)
• M6: 2,678,999 km (0.104 R)
• M7: 2,979,092 km (0.037 R)
• M8: 3,287,264 km (0.06 R)
• M9: 3,616,678 km (0.048 R)
• M10: 4,169,293 km (0.073 R)
• M11: 4,610,606 km (0.093 R)
• M12: 4,947,351 km (0.101 R)
• M13: 5,462,865 km (0.103 R)
• M14: 6,101,648 km (0.097 R)
• M15: 6,485,217 km (0.08 R)
• M16: 6,813,136 km (0.056 R)
• M17: 7,578,778 km (0.076 R)
• M18: 7,969,228 km (0.079 R)
• M19: 8,932,788 km (0.11 R)
• M20: 11,056,629 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.5

Radius: 10.8

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.29 AU - 2.03 AU

Year: 1503 Days

Day: 7.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,931,407 km

• M1: 134,339 km (0.066 R)
• M2: 632,500 km (0.062 R)
• M3: 1,090,120 km (0.078 R)
• M4: 1,661,434 km (0.118 R)
• M5: 2,001,021 km (0.071 R)
• M6: 2,851,784 km (0.074 R)
• M7: 4,502,597 km (0.077 R)
• M8: 6,046,896 km (0.109 R)
• M9: 6,690,017 km (0.113 R)
• M10: 11,125,294 km (0.102 R)
• M11: 12,651,791 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.4

Radius: 11.1

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.66 AU - 2.02 AU

Year: 1754 Days

Day: 5 Hours

Environment

Temp: -207 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,931,407 km

• M1: 153,637 km (0.106 R)
• M2: 786,286 km (0.115 R)
• M3: 1,177,784 km (0.057 R)
• M4: 1,928,017 km (0.086 R)
• M5: 4,380,824 km (0.04 R)
• M6: 6,268,001 km (0.074 R)
• M7: 13,792,325 km (0.064 R)
• M8: 14,958,291 km (0.09 R)
• M9: 15,851,091 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.5

Radius: 9.8

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.92 AU - 1.96 AU

Year: 1899 Days

Day: 14.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,931,407 km

• M1: 123,418 km (0.109 R)
• M2: 461,210 km (0.065 R)
• M3: 937,081 km (0.116 R)
• M4: 1,355,955 km (0.079 R)
• M5: 2,093,473 km (0.073 R)
• M6: 2,471,656 km (0.11 R)
• M7: 2,865,547 km (0.07 R)
• M8: 3,416,965 km (0.107 R)
• M9: 3,981,847 km (0.12 R)
• M10: 5,163,371 km (0.076 R)
• M11: 5,527,043 km (0.08 R)
• M12: 6,460,234 km (0.051 R)
• M13: 7,156,912 km (0.075 R)
• M14: 8,795,158 km (0.111 R)
• M15: 9,249,337 km (0.077 R)
• M16: 10,029,340 km (0.079 R)
• M17: 10,489,204 km (0.06 R)
• M18: 10,852,578 km (0.11 R)
• M19: 11,836,632 km (0.08 R)
• M20: 12,430,835 km (0.103 R)
• M21: 14,244,859 km (0.086 R)
• M22: 15,517,039 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.4

Radius: 10.9

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.45 AU - 2.57 AU

Year: 2795 Days

Day: 11.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,931,407 km

• M1: 135,536 km (0.119 R)
• M2: 488,736 km (0.108 R)
• M3: 1,083,687 km (0.046 R)
• M4: 1,778,569 km (0.059 R)
• M5: 2,373,520 km (0.1 R)
• M6: 2,797,779 km (0.047 R)
• M7: 3,381,061 km (0.09 R)
• M8: 3,780,787 km (0.103 R)
• M9: 4,233,321 km (0.091 R)
• M10: 4,653,242 km (0.104 R)
• M11: 5,149,458 km (0.065 R)
• M12: 5,786,146 km (0.091 R)
• M13: 8,870,256 km (0.065 R)
• M14: 9,747,947 km (0.12 R)
• M15: 12,549,765 km (0.116 R)
• M16: 12,956,971 km (0.057 R)
• M17: 13,655,443 km (0.043 R)
• M18: 14,280,762 km (0.08 R)
• M19: 16,112,588 km (0.089 R)
• M20: 16,975,020 km (0.096 R)
• M21: 19,146,583 km (0.098 R)
• M22: 20,735,162 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.6

Radius: 13.6

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 4.13 AU - 6.37 AU

Year: 8456 Days

Day: 10.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,931,407 km

• M1: 170,093 km (0.074 R)
• M2: 628,760 km (0.072 R)
• M3: 1,182,122 km (0.083 R)
• M4: 1,671,457 km (0.11 R)
• M5: 2,928,079 km (0.1 R)
• M6: 3,999,499 km (0.102 R)
• M7: 4,770,975 km (0.116 R)
• M8: 5,974,191 km (0.117 R)
• M9: 7,060,122 km (0.116 R)
• M10: 7,569,802 km (0.101 R)
• M11: 11,268,759 km (0.048 R)
• M12: 13,449,447 km (0.102 R)
• M13: 15,832,092 km (0.104 R)
• M14: 17,263,445 km (0.061 R)
• M15: 17,759,212 km (0.12 R)
• M16: 18,928,319 km (0.098 R)
• M17: 21,177,224 km (0.085 R)
• M18: 24,653,131 km (0.044 R)
• M19: 35,143,083 km (0.031 R)
• M20: 43,669,414 km (0.118 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: 521 - 12,704 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit