🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.1

Radius: 8.3

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.51 AU - 0.77 AU

Year: 353 Days

Day: 12.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,155,535 km

• M1: 103,223 km (0.112 R)
• M2: 398,230 km (0.036 R)
• M3: 696,827 km (0.046 R)
• M4: 1,108,819 km (0.063 R)
• M5: 1,404,425 km (0.109 R)
• M6: 1,752,838 km (0.116 R)
• M7: 2,142,541 km (0.093 R)
• M8: 2,401,644 km (0.119 R)
• M9: 2,729,114 km (0.043 R)
• M10: 3,485,630 km (0.111 R)
• M11: 3,968,233 km (0.117 R)
• M12: 4,245,139 km (0.114 R)
• M13: 4,521,446 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.6

Radius: 13.7

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.64 AU - 0.7 AU

Year: 379 Days

Day: 5.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,155,535 km

• M1: 170,392 km (0.106 R)
• M2: 676,930 km (0.09 R)
• M3: 1,155,793 km (0.105 R)
• M4: 2,066,246 km (0.055 R)
• M5: 2,506,363 km (0.11 R)
• M6: 3,520,187 km (0.098 R)
• M7: 4,674,036 km (0.1 R)
• M8: 5,331,070 km (0.11 R)
• M9: 5,791,532 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.2

Radius: 14.6

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.46 AU - 1.74 AU

Year: 1397 Days

Day: 6 Hours

Environment

Temp: -190 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,155,535 km

• M1: 183,407 km (0.066 R)
• M2: 696,677 km (0.096 R)
• M3: 1,235,678 km (0.089 R)
• M4: 1,700,479 km (0.069 R)
• M5: 2,190,861 km (0.068 R)
• M6: 2,692,014 km (0.109 R)
• M7: 3,553,548 km (0.083 R)
• M8: 4,575,152 km (0.082 R)
• M9: 5,080,194 km (0.066 R)
• M10: 6,398,750 km (0.087 R)
• M11: 7,783,577 km (0.119 R)
• M12: 9,589,373 km (0.072 R)
• M13: 10,149,019 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.4

Radius: 13.9

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.57 AU - 2.11 AU

Year: 1723 Days

Day: 5.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,155,535 km

• M1: 172,935 km (0.101 R)
• M2: 669,750 km (0.03 R)
• M3: 1,280,857 km (0.103 R)
• M4: 1,817,614 km (0.068 R)
• M5: 2,622,750 km (0.037 R)
• M6: 3,177,309 km (0.116 R)
• M7: 3,609,946 km (0.108 R)
• M8: 4,098,832 km (0.077 R)
• M9: 5,309,228 km (0.095 R)
• M10: 6,073,225 km (0.048 R)
• M11: 7,270,008 km (0.115 R)
• M12: 8,812,212 km (0.11 R)
• M13: 10,437,443 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.8

Radius: 14.9

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.56 AU - 4.08 AU

Year: 4176 Days

Day: 7 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,155,535 km

• M1: 186,249 km (0.096 R)
• M2: 663,317 km (0.083 R)
• M3: 1,170,753 km (0.079 R)
• M4: 2,249,503 km (0.107 R)
• M5: 2,874,972 km (0.082 R)
• M6: 4,240,501 km (0.12 R)
• M7: 5,016,316 km (0.112 R)
• M8: 5,914,651 km (0.101 R)
• M9: 8,291,312 km (0.038 R)
• M10: 11,387,091 km (0.104 R)
• M11: 12,687,545 km (0.049 R)
• M12: 28,136,816 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.1

Radius: 10

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.4 AU - 5.1 AU

Year: 6048 Days

Day: 10.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,155,535 km

• M1: 124,465 km (0.09 R)
• M2: 478,564 km (0.049 R)
• M3: 1,089,072 km (0.084 R)
• M4: 1,490,593 km (0.117 R)
• M5: 2,703,982 km (0.111 R)
• M6: 3,864,412 km (0.067 R)
• M7: 4,866,269 km (0.082 R)
• M8: 6,249,301 km (0.034 R)
• M9: 7,134,023 km (0.085 R)
• M10: 7,696,362 km (0.111 R)
• M11: 8,634,041 km (0.094 R)
• M12: 10,159,191 km (0.105 R)
• M13: 11,380,209 km (0.058 R)
• M14: 12,899,824 km (0.059 R)
• M15: 13,417,732 km (0.059 R)
• M16: 14,941,686 km (0.095 R)
• M17: 17,376,989 km (0.075 R)
• M18: 18,265,900 km (0.087 R)
• M19: 18,919,194 km (0.1 R)
• M20: 20,550,708 km (0.074 R)
• M21: 21,980,266 km (0.041 R)
• M22: 22,869,326 km (0.11 R)
• M23: 23,475,047 km (0.112 R)
• M24: 28,713,367 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.4

Radius: 10.5

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.94 AU - 5.9 AU

Year: 7533 Days

Day: 5.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,155,535 km

• M1: 133,740 km (0.117 R)
• M2: 581,487 km (0.108 R)
• M3: 1,134,550 km (0.089 R)
• M4: 1,890,169 km (0.037 R)
• M5: 2,660,149 km (0.116 R)
• M6: 2,991,359 km (0.091 R)
• M7: 4,107,658 km (0.102 R)
• M8: 5,252,680 km (0.106 R)
• M9: 7,387,891 km (0.051 R)
• M10: 13,339,493 km (0.109 R)
• M11: 16,789,818 km (0.09 R)
• M12: 21,591,461 km (0.089 R)
• M13: 25,148,599 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.6

Radius: 4.8

Gravity: 32.53 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.25 AU - 9.15 AU

Year: 16208 Days

Day: 21.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,155,535 km

• M1: 59,690 km (0.068 R)
• M2: 238,609 km (0.03 R)
• M3: 580,290 km (0.094 R)
• M4: 1,475,933 km (0.094 R)
• M5: 2,375,764 km (0.107 R)
• M6: 2,551,691 km (0.101 R)
• M7: 2,904,891 km (0.109 R)
• M8: 3,106,250 km (0.104 R)
• M9: 4,718,616 km (0.115 R)
• M10: 6,431,811 km (0.055 R)
• M11: 7,403,898 km (0.076 R)
• M12: 7,590,596 km (0.052 R)
• M13: 21,282,840 km (0.11 R)
• M14: 22,332,718 km (0.053 R)
• M15: 23,117,509 km (0.106 R)
• M16: 42,472,182 km (0.08 R)
• M17: 43,372,462 km (0.102 R)
• M18: 48,878,711 km (0.042 R)
• M19: 56,980,782 km (0.115 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 555 - 12,547 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit