🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.8

Radius: 10.3

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.91 AU - 1.49 AU

Year: 924 Days

Day: 8.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,063,919 km

• M1: 138,976 km (0.115 R)
• M2: 502,499 km (0.073 R)
• M3: 1,015,470 km (0.027 R)
• M4: 1,453,643 km (0.057 R)
• M5: 2,261,770 km (0.081 R)
• M6: 2,617,364 km (0.111 R)
• M7: 3,066,308 km (0.031 R)
• M8: 4,374,391 km (0.081 R)
• M9: 4,852,955 km (0.104 R)
• M10: 6,076,516 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.1

Radius: 9.2

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.03 AU - 1.63 AU

Year: 1078 Days

Day: 9.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,063,919 km

• M1: 114,742 km (0.072 R)
• M2: 407,355 km (0.048 R)
• M3: 853,755 km (0.105 R)
• M4: 1,227,002 km (0.077 R)
• M5: 1,681,929 km (0.083 R)
• M6: 2,182,932 km (0.082 R)
• M7: 2,946,031 km (0.076 R)
• M8: 3,676,667 km (0.12 R)
• M9: 4,402,217 km (0.101 R)
• M10: 4,955,280 km (0.098 R)
• M11: 6,989,512 km (0.115 R)
• M12: 7,494,105 km (0.077 R)
• M13: 8,848,564 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.5

Radius: 14.5

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.59 AU - 1.83 AU

Year: 1572 Days

Day: 8.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,063,919 km

• M1: 180,265 km (0.084 R)
• M2: 637,885 km (0.09 R)
• M3: 1,099,544 km (0.079 R)
• M4: 1,690,755 km (0.072 R)
• M5: 3,160,405 km (0.062 R)
• M6: 4,385,312 km (0.093 R)
• M7: 4,960,665 km (0.08 R)
• M8: 5,768,045 km (0.106 R)
• M9: 6,686,726 km (0.109 R)
• M10: 8,070,955 km (0.106 R)
• M11: 10,136,453 km (0.096 R)
• M12: 10,721,231 km (0.092 R)
• M13: 13,248,986 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.8

Radius: 9.2

Gravity: 11.61 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.02 AU - 2.12 AU

Year: 2093 Days

Day: 11.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,063,919 km

• M1: 115,789 km (0.119 R)
• M2: 508,483 km (0.064 R)
• M3: 885,619 km (0.117 R)
• M4: 1,221,018 km (0.118 R)
• M5: 1,922,632 km (0.049 R)
• M6: 2,482,726 km (0.112 R)
• M7: 2,778,332 km (0.088 R)
• M8: 3,318,380 km (0.078 R)
• M9: 3,623,111 km (0.026 R)
• M10: 3,946,541 km (0.033 R)
• M11: 4,393,689 km (0.111 R)
• M12: 4,717,718 km (0.113 R)
• M13: 5,660,933 km (0.108 R)
• M14: 6,045,400 km (0.115 R)
• M15: 6,419,843 km (0.111 R)
• M16: 7,545,567 km (0.106 R)
• M17: 8,365,812 km (0.117 R)
• M18: 9,139,981 km (0.106 R)
• M19: 10,714,349 km (0.056 R)
• M20: 13,697,181 km (0.097 R)
• M21: 14,771,443 km (0.1 R)
• M22: 16,929,093 km (0.098 R)
• M23: 17,352,605 km (0.07 R)
• M24: 18,386,625 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.6

Radius: 4.7

Gravity: 17.18 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 9.41 AU - 10.89 AU

Year: 22730 Days

Day: 16.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,063,919 km

• M1: 58,493 km (0.113 R)
• M2: 386,710 km (0.074 R)
• M3: 555,008 km (0.037 R)
• M4: 724,951 km (0.08 R)
• M5: 1,058,555 km (0.11 R)
• M6: 1,396,945 km (0.068 R)
• M7: 2,458,192 km (0.088 R)
• M8: 2,999,288 km (0.081 R)
• M9: 3,731,420 km (0.029 R)
• M10: 4,410,744 km (0.093 R)
• M11: 5,242,209 km (0.082 R)
• M12: 7,485,728 km (0.114 R)
• M13: 8,816,700 km (0.092 R)
• M14: 10,355,763 km (0.086 R)
• M15: 20,787,971 km (0.079 R)
• M16: 21,066,372 km (0.096 R)
• M17: 21,725,800 km (0.111 R)
• M18: 25,230,429 km (0.087 R)
• M19: 25,866,818 km (0.074 R)
• M20: 26,513,679 km (0.115 R)
• M21: 27,504,317 km (0.12 R)
• M22: 30,504,352 km (0.119 R)
• M23: 38,662,672 km (0.095 R)
• M24: 44,994,851 km (0.054 R)
• M25: 57,997,150 km (0.1 R)
• M26: 63,673,641 km (0.103 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: 249 - 14,803 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit