🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.44 AU - 0.64 AU

Year: 260 Days

Day: 30.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.6

Radius: 10.3

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.16 AU - 1.8 AU

Year: 1181 Days

Day: 12.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 154.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,804,456 km

• M1: 138,228 km (0.1 R)
• M2: 605,273 km (0.105 R)
• M3: 1,004,849 km (0.115 R)
• M4: 1,438,982 km (0.103 R)
• M5: 2,774,293 km (0.09 R)
• M6: 3,175,514 km (0.111 R)
• M7: 4,249,178 km (0.057 R)
• M8: 4,835,602 km (0.11 R)
• M9: 5,990,946 km (0.104 R)
• M10: 6,393,813 km (0.064 R)
• M11: 7,321,469 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.9

Radius: 8.8

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.33 AU - 4.17 AU

Year: 4764 Days

Day: 10.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,804,456 km

• M1: 109,655 km (0.097 R)
• M2: 395,387 km (0.06 R)
• M3: 765,193 km (0.087 R)
• M4: 1,468,602 km (0.107 R)
• M5: 1,742,965 km (0.027 R)
• M6: 2,591,035 km (0.034 R)
• M7: 3,811,305 km (0.033 R)
• M8: 4,930,596 km (0.105 R)
• M9: 5,944,870 km (0.067 R)
• M10: 7,551,551 km (0.108 R)
• M11: 8,956,425 km (0.074 R)
• M12: 14,122,937 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.2

Radius: 12.2

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.39 AU - 4.67 AU

Year: 6325 Days

Day: 11.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 144.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,804,456 km

• M1: 155,133 km (0.11 R)
• M2: 633,397 km (0.083 R)
• M3: 1,231,490 km (0.116 R)
• M4: 3,401,706 km (0.096 R)
• M5: 7,000,881 km (0.118 R)
• M6: 7,544,819 km (0.1 R)
• M7: 15,641,056 km (0.072 R)
• M8: 16,239,447 km (0.119 R)
• M9: 21,193,381 km (0.11 R)
• M10: 23,373,171 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.1

Radius: 3.7

Gravity: 13.67 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.03 AU - 6.55 AU

Year: 10349 Days

Day: 24.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,804,456 km

• M1: 46,226 km (0.081 R)
• M2: 219,161 km (0.079 R)
• M3: 468,989 km (0.11 R)
• M4: 699,669 km (0.096 R)
• M5: 820,993 km (0.088 R)
• M6: 1,058,106 km (0.071 R)
• M7: 1,629,420 km (0.047 R)
• M8: 2,519,677 km (0.092 R)
• M9: 2,734,200 km (0.067 R)
• M10: 3,761,190 km (0.105 R)
• M11: 4,089,557 km (0.088 R)
• M12: 4,722,954 km (0.113 R)
• M13: 4,993,727 km (0.068 R)
• M14: 5,246,248 km (0.119 R)
• M15: 5,390,161 km (0.073 R)
• M16: 7,328,949 km (0.08 R)
• M17: 7,472,713 km (0.09 R)
• M18: 7,728,824 km (0.082 R)
• M19: 8,258,550 km (0.12 R)
• M20: 8,731,429 km (0.088 R)
• M21: 10,620,402 km (0.067 R)
• M22: 12,921,067 km (0.118 R)
• M23: 18,411,010 km (0.09 R)
• M24: 18,810,735 km (0.096 R)
• M25: 19,835,331 km (0.061 R)
• M26: 22,369,519 km (0.04 R)
• M27: 24,787,170 km (0.12 R)
• M28: 29,676,627 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93

Radius: 3.9

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.1 AU - 7 AU

Year: 10997 Days

Day: 17.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,804,456 km

• M1: 51,761 km (0.107 R)
• M2: 233,971 km (0.12 R)
• M3: 415,284 km (0.104 R)
• M4: 687,402 km (0.09 R)
• M5: 1,051,224 km (0.068 R)
• M6: 1,210,696 km (0.043 R)
• M7: 1,602,492 km (0.034 R)
• M8: 2,145,981 km (0.07 R)
• M9: 2,483,923 km (0.087 R)
• M10: 4,015,506 km (0.079 R)
• M11: 5,650,910 km (0.048 R)
• M12: 7,276,440 km (0.116 R)
• M13: 7,410,630 km (0.117 R)
• M14: 14,493,491 km (0.107 R)
• M15: 15,799,330 km (0.115 R)
• M16: 16,137,571 km (0.119 R)
• M17: 17,063,432 km (0.112 R)
• M18: 17,359,786 km (0.109 R)
• M19: 19,790,901 km (0.109 R)
• M20: 23,372,423 km (0.091 R)
• M21: 24,181,598 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.1

Radius: 7.6

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 6.34 AU - 7.38 AU

Year: 11787 Days

Day: 16.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,804,456 km

• M1: 100,081 km (0.047 R)
• M2: 623,823 km (0.104 R)
• M3: 928,554 km (0.091 R)
• M4: 1,245,253 km (0.104 R)
• M5: 1,754,185 km (0.117 R)
• M6: 2,413,762 km (0.069 R)
• M7: 2,695,006 km (0.08 R)
• M8: 3,830,304 km (0.08 R)
• M9: 4,271,468 km (0.086 R)
• M10: 4,594,151 km (0.119 R)
• M11: 5,222,611 km (0.082 R)
• M12: 5,695,789 km (0.108 R)
• M13: 6,420,741 km (0.077 R)
• M14: 7,749,319 km (0.041 R)
• M15: 8,141,565 km (0.061 R)
• M16: 9,012,823 km (0.071 R)
• M17: 9,793,574 km (0.076 R)
• M18: 10,149,019 km (0.103 R)
• M19: 10,512,990 km (0.11 R)
• M20: 10,778,227 km (0.09 R)
• M21: 11,999,245 km (0.081 R)
• M22: 13,125,717 km (0.085 R)
• M23: 13,620,437 km (0.107 R)
• M24: 16,212,669 km (0.108 R)
• M25: 30,622,684 km (0.114 R)
• M26: 35,613,120 km (0.089 R)
• M27: 45,323,218 km (0.038 R)
• M28: 47,890,916 km (0.089 R)
• M29: 48,328,041 km (0.051 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 17,196 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit