🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.5

Radius: 10.1

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.47 AU - 0.75 AU

Year: 335 Days

Day: 12.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,894,773 km

• M1: 125,961 km (0.084 R)
• M2: 443,408 km (0.097 R)
• M3: 796,758 km (0.053 R)
• M4: 1,111,662 km (0.099 R)
• M5: 1,680,283 km (0.12 R)
• M6: 3,409,485 km (0.038 R)
• M7: 3,870,845 km (0.095 R)
• M8: 4,654,439 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.7

Radius: 9.8

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.62 AU - 0.8 AU

Year: 421 Days

Day: 7.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,894,773 km

• M1: 121,922 km (0.098 R)
• M2: 585,825 km (0.115 R)
• M3: 992,283 km (0.037 R)
• M4: 1,325,886 km (0.038 R)
• M5: 1,817,913 km (0.107 R)
• M6: 2,391,472 km (0.088 R)
• M7: 2,834,281 km (0.118 R)
• M8: 3,250,313 km (0.118 R)
• M9: 4,030,316 km (0.069 R)
• M10: 4,457,568 km (0.057 R)
• M11: 4,884,520 km (0.118 R)
• M12: 5,567,584 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.1

Radius: 14.1

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.76 AU - 1.22 AU

Year: 692 Days

Day: 11.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,894,773 km

• M1: 176,077 km (0.087 R)
• M2: 792,570 km (0.1 R)
• M3: 1,847,833 km (0.107 R)
• M4: 2,887,239 km (0.105 R)
• M5: 3,441,798 km (0.05 R)
• M6: 4,287,176 km (0.118 R)
• M7: 5,113,554 km (0.091 R)
• M8: 5,691,601 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679

Radius: 10.8

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.82 AU - 1.22 AU

Year: 724 Days

Day: 10.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,894,773 km

• M1: 136,284 km (0.105 R)
• M2: 512,223 km (0.067 R)
• M3: 993,330 km (0.062 R)
• M4: 1,350,420 km (0.111 R)
• M5: 2,536,581 km (0.085 R)
• M6: 3,045,663 km (0.085 R)
• M7: 3,608,151 km (0.104 R)
• M8: 4,025,679 km (0.071 R)
• M9: 4,395,634 km (0.106 R)
• M10: 5,777,320 km (0.089 R)
• M11: 6,168,967 km (0.063 R)
• M12: 7,005,967 km (0.099 R)
• M13: 7,474,957 km (0.087 R)
• M14: 7,917,019 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.2

Radius: 13.6

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.97 AU - 1.21 AU

Year: 800 Days

Day: 13.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,894,773 km

• M1: 169,794 km (0.108 R)
• M2: 618,886 km (0.044 R)
• M3: 1,094,907 km (0.109 R)
• M4: 1,542,952 km (0.119 R)
• M5: 2,018,524 km (0.054 R)
• M6: 2,752,900 km (0.103 R)
• M7: 3,226,228 km (0.07 R)
• M8: 3,863,515 km (0.089 R)
• M9: 5,658,091 km (0.081 R)
• M10: 6,216,390 km (0.048 R)
• M11: 6,997,291 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.7

Radius: 11.8

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.18 AU - 1.9 AU

Year: 1343 Days

Day: 13.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,894,773 km

• M1: 146,756 km (0.084 R)
• M2: 743,950 km (0.097 R)
• M3: 1,242,859 km (0.064 R)
• M4: 1,830,629 km (0.07 R)
• M5: 2,424,084 km (0.046 R)
• M6: 2,916,111 km (0.083 R)
• M7: 3,568,807 km (0.113 R)
• M8: 4,280,593 km (0.086 R)
• M9: 5,084,832 km (0.11 R)
• M10: 5,763,108 km (0.095 R)
• M11: 7,914,775 km (0.082 R)
• M12: 8,621,325 km (0.087 R)
• M13: 9,035,113 km (0.118 R)
• M14: 9,712,343 km (0.077 R)
• M15: 10,422,932 km (0.107 R)
• M16: 11,064,408 km (0.119 R)
• M17: 12,314,598 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576

Radius: 12.2

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.82 AU - 3.96 AU

Year: 5393 Days

Day: 9.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,894,773 km

• M1: 154,684 km (0.112 R)
• M2: 901,926 km (0.093 R)
• M3: 1,387,071 km (0.118 R)
• M4: 1,907,223 km (0.102 R)
• M5: 2,424,981 km (0.118 R)
• M6: 3,307,759 km (0.075 R)
• M7: 4,154,632 km (0.115 R)
• M8: 5,222,761 km (0.093 R)
• M9: 6,402,340 km (0.07 R)
• M10: 7,860,471 km (0.095 R)
• M11: 9,001,603 km (0.104 R)
• M12: 9,570,673 km (0.111 R)
• M13: 10,602,001 km (0.116 R)
• M14: 12,384,609 km (0.098 R)
• M15: 13,140,527 km (0.071 R)
• M16: 13,608,769 km (0.107 R)
• M17: 14,968,015 km (0.06 R)
• M18: 16,716,216 km (0.11 R)
• M19: 24,765,030 km (0.118 R)
• M20: 26,537,914 km (0.081 R)
• M21: 27,035,626 km (0.098 R)
• M22: 27,455,248 km (0.117 R)
• M23: 28,135,769 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.8

Radius: 6.8

Gravity: 13.04 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 10.15 AU - 10.53 AU

Year: 23372 Days

Day: 25 Hours

Environment

Temp: -227 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 80,894,773 km

• M1: 84,672 km (0.027 R)
• M2: 385,514 km (0.094 R)
• M3: 711,787 km (0.07 R)
• M4: 1,017,415 km (0.103 R)
• M5: 1,272,928 km (0.091 R)
• M6: 1,571,526 km (0.066 R)
• M7: 2,658,803 km (0.107 R)
• M8: 2,988,666 km (0.116 R)
• M9: 3,639,118 km (0.11 R)
• M10: 4,660,273 km (0.036 R)
• M11: 5,572,969 km (0.067 R)
• M12: 6,874,920 km (0.115 R)
• M13: 7,696,661 km (0.077 R)
• M14: 8,314,949 km (0.066 R)
• M15: 8,799,945 km (0.112 R)
• M16: 9,021,500 km (0.07 R)
• M17: 10,930,668 km (0.088 R)
• M18: 12,389,845 km (0.097 R)
• M19: 18,247,051 km (0.08 R)
• M20: 20,483,988 km (0.082 R)
• M21: 20,971,976 km (0.028 R)
• M22: 23,849,192 km (0.097 R)
• M23: 24,607,653 km (0.072 R)
• M24: 25,831,663 km (0.116 R)
• M25: 28,160,303 km (0.11 R)
• M26: 33,230,624 km (0.104 R)
• M27: 33,904,413 km (0.118 R)
• M28: 34,724,807 km (0.081 R)
• M29: 37,121,066 km (0.112 R)
• M30: 38,580,842 km (0.084 R)
• M31: 41,770,418 km (0.065 R)
• M32: 44,640,753 km (0.103 R)
• M33: 45,460,699 km (0.109 R)
• M34: 55,154,491 km (0.09 R)
• M35: 63,010,474 km (0.078 R)
• M36: 63,628,163 km (0.084 R)
• M37: 79,448,886 km (0.09 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 12,018 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit