🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.6

Radius: 8

Gravity: 12.68 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.84 AU - 1.08 AU

Year: 598 Days

Day: 10.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,062,002 km

• M1: 99,483 km (0.095 R)
• M2: 623,374 km (0.086 R)
• M3: 894,446 km (0.099 R)
• M4: 1,401,433 km (0.049 R)
• M5: 2,300,965 km (0.119 R)
• M6: 3,189,875 km (0.061 R)
• M7: 3,554,595 km (0.119 R)
• M8: 3,976,012 km (0.1 R)
• M9: 4,383,517 km (0.111 R)
• M10: 4,785,337 km (0.114 R)
• M11: 6,120,647 km (0.107 R)
• M12: 6,874,172 km (0.074 R)
• M13: 7,218,546 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.8

Radius: 12.4

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.81 AU - 1.15 AU

Year: 617 Days

Day: 9.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 57.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,062,002 km

• M1: 154,535 km (0.109 R)
• M2: 613,052 km (0.114 R)
• M3: 1,055,114 km (0.088 R)
• M4: 1,489,995 km (0.093 R)
• M5: 2,226,914 km (0.102 R)
• M6: 2,670,322 km (0.109 R)
• M7: 3,097,424 km (0.11 R)
• M8: 4,104,068 km (0.079 R)
• M9: 4,791,620 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.3

Radius: 12.1

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.8 AU - 1.26 AU

Year: 665 Days

Day: 13.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,062,002 km

• M1: 150,645 km (0.074 R)
• M2: 545,434 km (0.075 R)
• M3: 1,098,348 km (0.118 R)
• M4: 1,512,883 km (0.069 R)
• M5: 2,203,577 km (0.096 R)
• M6: 3,631,488 km (0.109 R)
• M7: 4,368,856 km (0.105 R)
• M8: 4,773,668 km (0.108 R)
• M9: 5,221,414 km (0.1 R)
• M10: 6,423,882 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.8

Radius: 10.5

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.05 AU - 1.07 AU

Year: 694 Days

Day: 14.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,062,002 km

• M1: 130,599 km (0.11 R)
• M2: 493,972 km (0.117 R)
• M3: 899,981 km (0.087 R)
• M4: 1,373,907 km (0.095 R)
• M5: 2,101,102 km (0.025 R)
• M6: 2,448,618 km (0.111 R)
• M7: 2,998,390 km (0.116 R)
• M8: 3,540,084 km (0.094 R)
• M9: 4,158,222 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.6

Radius: 13.5

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.28 AU - 1.56 AU

Year: 1076 Days

Day: 13.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,062,002 km

• M1: 167,998 km (0.083 R)
• M2: 617,989 km (0.059 R)
• M3: 1,043,894 km (0.064 R)
• M4: 1,583,793 km (0.084 R)
• M5: 2,561,864 km (0.109 R)
• M6: 3,249,116 km (0.045 R)
• M7: 4,072,952 km (0.066 R)
• M8: 4,843,680 km (0.097 R)
• M9: 5,814,570 km (0.086 R)
• M10: 6,380,200 km (0.069 R)
• M11: 8,114,787 km (0.087 R)
• M12: 10,207,063 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.7

Radius: 12.8

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.18 AU - 1.88 AU

Year: 1203 Days

Day: 8.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,062,002 km

• M1: 159,471 km (0.117 R)
• M2: 861,085 km (0.109 R)
• M3: 1,445,714 km (0.083 R)
• M4: 1,899,743 km (0.11 R)
• M5: 2,363,497 km (0.105 R)
• M6: 2,848,643 km (0.076 R)
• M7: 3,887,151 km (0.1 R)
• M8: 6,042,557 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.5

Radius: 9.2

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.55 AU - 1.85 AU

Year: 1409 Days

Day: 10.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,062,002 km

• M1: 114,442 km (0.111 R)
• M2: 818,001 km (0.068 R)
• M3: 1,205,609 km (0.078 R)
• M4: 1,553,574 km (0.116 R)
• M5: 1,923,081 km (0.116 R)
• M6: 2,424,533 km (0.069 R)
• M7: 3,480,095 km (0.09 R)
• M8: 4,353,597 km (0.118 R)
• M9: 5,024,394 km (0.12 R)
• M10: 5,552,624 km (0.072 R)
• M11: 5,898,794 km (0.103 R)
• M12: 7,592,391 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587

Radius: 14.3

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.87 AU - 7.07 AU

Year: 9275 Days

Day: 8.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,062,002 km

• M1: 178,470 km (0.104 R)
• M2: 636,988 km (0.066 R)
• M3: 1,186,610 km (0.094 R)
• M4: 1,948,512 km (0.062 R)
• M5: 2,525,362 km (0.074 R)
• M6: 3,021,279 km (0.065 R)
• M7: 4,212,975 km (0.047 R)
• M8: 6,381,995 km (0.108 R)
• M9: 6,967,820 km (0.069 R)
• M10: 8,591,256 km (0.084 R)
• M11: 9,124,423 km (0.117 R)
• M12: 10,306,396 km (0.113 R)
• M13: 10,857,813 km (0.115 R)
• M14: 14,098,702 km (0.114 R)
• M15: 17,369,809 km (0.073 R)
• M16: 17,936,486 km (0.079 R)
• M17: 19,864,204 km (0.093 R)
• M18: 24,744,984 km (0.081 R)
• M19: 31,092,272 km (0.083 R)
• M20: 34,639,387 km (0.114 R)
• M21: 36,683,941 km (0.106 R)
• M22: 41,137,170 km (0.115 R)

Asteroid Belt

Center: 8.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.6

Radius: 4.8

Gravity: 12.09 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 10.31 AU - 11.63 AU

Year: 23102 Days

Day: 17.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,062,002 km

• M1: 63,429 km (0.11 R)
• M2: 229,782 km (0.118 R)
• M3: 491,728 km (0.085 R)
• M4: 906,114 km (0.053 R)
• M5: 1,307,336 km (0.031 R)
• M6: 2,072,379 km (0.104 R)
• M7: 2,411,667 km (0.088 R)
• M8: 3,880,868 km (0.025 R)
• M9: 4,819,295 km (0.113 R)
• M10: 5,523,453 km (0.107 R)
• M11: 6,662,790 km (0.027 R)
• M12: 7,089,443 km (0.098 R)
• M13: 7,763,531 km (0.075 R)
• M14: 9,031,672 km (0.043 R)
• M15: 10,263,162 km (0.048 R)
• M16: 11,481,786 km (0.06 R)
• M17: 12,219,752 km (0.094 R)
• M18: 13,789,782 km (0.119 R)
• M19: 14,271,936 km (0.101 R)
• M20: 17,804,241 km (0.037 R)
• M21: 21,785,489 km (0.084 R)
• M22: 22,628,174 km (0.066 R)
• M23: 28,920,859 km (0.088 R)
• M24: 32,043,565 km (0.11 R)
• M25: 36,156,309 km (0.048 R)
• M26: 37,601,874 km (0.064 R)
• M27: 48,026,003 km (0.069 R)
• M28: 48,497,685 km (0.109 R)
• M29: 54,232,519 km (0.086 R)
• M30: 54,744,144 km (0.037 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 12,720 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit