🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.1

Radius: 15

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.63 AU - 1.03 AU

Year: 522 Days

Day: 11.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,228,120 km

• M1: 186,698 km (0.109 R)
• M2: 709,991 km (0.082 R)
• M3: 1,317,359 km (0.081 R)
• M4: 1,907,971 km (0.112 R)
• M5: 2,572,485 km (0.115 R)
• M6: 3,102,959 km (0.088 R)
• M7: 3,852,744 km (0.057 R)
• M8: 4,344,472 km (0.069 R)
• M9: 5,646,572 km (0.103 R)
• M10: 6,552,836 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.8

Radius: 12.8

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.66 AU - 1.06 AU

Year: 551 Days

Day: 5.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 131.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,228,120 km

• M1: 159,172 km (0.102 R)
• M2: 669,450 km (0.105 R)
• M3: 1,142,928 km (0.089 R)
• M4: 1,587,233 km (0.118 R)
• M5: 2,328,192 km (0.084 R)
• M6: 2,908,332 km (0.055 R)
• M7: 3,882,065 km (0.099 R)
• M8: 4,995,522 km (0.118 R)
• M9: 5,404,971 km (0.034 R)
• M10: 5,911,210 km (0.094 R)
• M11: 6,468,612 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.2

Radius: 13.5

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.12 AU - 1.2 AU

Year: 862 Days

Day: 6.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,228,120 km

• M1: 167,849 km (0.106 R)
• M2: 737,966 km (0.071 R)
• M3: 1,186,311 km (0.106 R)
• M4: 1,609,075 km (0.094 R)
• M5: 2,135,210 km (0.059 R)
• M6: 2,942,889 km (0.084 R)
• M7: 3,459,600 km (0.082 R)
• M8: 4,082,526 km (0.051 R)
• M9: 4,779,502 km (0.113 R)
• M10: 5,423,072 km (0.055 R)
• M11: 5,844,190 km (0.096 R)
• M12: 6,349,532 km (0.111 R)
• M13: 6,862,054 km (0.105 R)
• M14: 7,611,988 km (0.109 R)
• M15: 8,340,530 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.3

Radius: 9.2

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.46 AU - 1.52 AU

Year: 1255 Days

Day: 13.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,228,120 km

• M1: 123,568 km (0.096 R)
• M2: 477,666 km (0.04 R)
• M3: 783,743 km (0.079 R)
• M4: 1,327,232 km (0.116 R)
• M5: 1,758,523 km (0.059 R)
• M6: 4,236,761 km (0.115 R)
• M7: 5,263,152 km (0.074 R)
• M8: 5,627,872 km (0.082 R)
• M9: 6,159,244 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.1

Radius: 10

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.65 AU - 1.75 AU

Year: 1530 Days

Day: 13 Hours

Environment

Temp: -195 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,228,120 km

• M1: 130,449 km (0.12 R)
• M2: 489,335 km (0.091 R)
• M3: 901,028 km (0.112 R)
• M4: 1,498,223 km (0.118 R)
• M5: 2,005,359 km (0.109 R)
• M6: 3,044,466 km (0.066 R)
• M7: 5,090,068 km (0.112 R)
• M8: 6,168,369 km (0.056 R)
• M9: 6,584,849 km (0.05 R)
• M10: 7,178,005 km (0.096 R)
• M11: 9,204,607 km (0.084 R)
• M12: 12,374,287 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.6

Radius: 10.4

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.74 AU - 2.32 AU

Year: 1996 Days

Day: 14 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,228,120 km

• M1: 129,402 km (0.097 R)
• M2: 633,846 km (0.114 R)
• M3: 986,897 km (0.106 R)
• M4: 1,664,725 km (0.04 R)
• M5: 2,246,960 km (0.06 R)
• M6: 3,268,713 km (0.082 R)
• M7: 3,799,786 km (0.103 R)
• M8: 4,265,334 km (0.109 R)
• M9: 4,922,817 km (0.097 R)
• M10: 5,405,719 km (0.107 R)
• M11: 6,520,373 km (0.094 R)
• M12: 7,160,801 km (0.066 R)
• M13: 8,027,571 km (0.07 R)
• M14: 9,267,438 km (0.066 R)
• M15: 9,614,057 km (0.097 R)
• M16: 10,630,724 km (0.053 R)
• M17: 14,065,790 km (0.109 R)
• M18: 15,567,753 km (0.076 R)
• M19: 16,058,434 km (0.059 R)
• M20: 17,750,835 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997

Radius: 11.1

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.56 AU - 2.96 AU

Year: 3165 Days

Day: 9.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,228,120 km

• M1: 138,079 km (0.117 R)
• M2: 493,673 km (0.065 R)
• M3: 1,023,399 km (0.109 R)
• M4: 1,503,907 km (0.106 R)
• M5: 2,037,074 km (0.096 R)
• M6: 2,532,692 km (0.05 R)
• M7: 4,066,968 km (0.081 R)
• M8: 4,450,537 km (0.118 R)
• M9: 5,109,814 km (0.102 R)
• M10: 5,721,670 km (0.098 R)
• M11: 6,234,192 km (0.048 R)
• M12: 6,592,629 km (0.034 R)
• M13: 8,380,323 km (0.107 R)
• M14: 9,155,988 km (0.074 R)
• M15: 10,596,466 km (0.082 R)
• M16: 12,984,198 km (0.066 R)
• M17: 14,903,089 km (0.094 R)
• M18: 16,208,331 km (0.086 R)
• M19: 17,178,024 km (0.096 R)
• M20: 18,005,301 km (0.087 R)
• M21: 19,611,682 km (0.083 R)
• M22: 20,254,355 km (0.074 R)
• M23: 23,680,445 km (0.075 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 18,661 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit