🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.6

Radius: 8

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.73 AU - 1.03 AU

Year: 550 Days

Day: 6.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,430,135 km

• M1: 99,483 km (0.102 R)
• M2: 434,582 km (0.114 R)
• M3: 730,935 km (0.081 R)
• M4: 1,015,022 km (0.12 R)
• M5: 1,360,892 km (0.065 R)
• M6: 1,629,420 km (0.103 R)
• M7: 1,933,702 km (0.098 R)
• M8: 2,230,803 km (0.058 R)
• M9: 2,578,020 km (0.068 R)
• M10: 3,393,628 km (0.066 R)
• M11: 3,764,331 km (0.067 R)
• M12: 4,134,586 km (0.092 R)
• M13: 4,963,508 km (0.048 R)
• M14: 5,524,949 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.8

Radius: 14.2

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.16 AU - 1.3 AU

Year: 910 Days

Day: 12.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,430,135 km

• M1: 176,525 km (0.096 R)
• M2: 756,965 km (0.114 R)
• M3: 1,800,560 km (0.055 R)
• M4: 2,438,894 km (0.112 R)
• M5: 3,555,493 km (0.03 R)
• M6: 4,146,255 km (0.061 R)
• M7: 4,652,494 km (0.109 R)
• M8: 5,398,090 km (0.054 R)
• M9: 6,102,247 km (0.116 R)
• M10: 6,696,449 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.1

Radius: 8

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.09 AU - 1.51 AU

Year: 988 Days

Day: 13.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 40,430,135 km

• M1: 99,483 km (0.091 R)
• M2: 440,715 km (0.116 R)
• M3: 1,915,002 km (0.12 R)
• M4: 2,615,270 km (0.117 R)
• M5: 3,436,113 km (0.119 R)
• M6: 5,077,651 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.6

Radius: 14.8

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.5 AU - 2.56 AU

Year: 2684 Days

Day: 5 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,430,135 km

• M1: 191,485 km (0.066 R)
• M2: 855,401 km (0.094 R)
• M3: 1,635,554 km (0.072 R)
• M4: 2,257,282 km (0.1 R)
• M5: 4,427,798 km (0.075 R)
• M6: 4,969,342 km (0.119 R)
• M7: 6,108,679 km (0.09 R)
• M8: 6,951,364 km (0.108 R)
• M9: 7,777,892 km (0.091 R)
• M10: 8,440,162 km (0.11 R)
• M11: 10,132,713 km (0.102 R)
• M12: 10,731,702 km (0.103 R)
• M13: 11,877,921 km (0.106 R)
• M14: 12,671,987 km (0.04 R)
• M15: 13,147,858 km (0.114 R)
• M16: 14,273,881 km (0.082 R)
• M17: 14,789,395 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.9

Radius: 13.1

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.45 AU - 4.37 AU

Year: 5156 Days

Day: 6.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,430,135 km

• M1: 162,912 km (0.097 R)
• M2: 606,919 km (0.052 R)
• M3: 1,145,471 km (0.065 R)
• M4: 1,637,947 km (0.112 R)
• M5: 2,347,340 km (0.076 R)
• M6: 2,852,233 km (0.081 R)
• M7: 3,370,141 km (0.118 R)
• M8: 4,219,707 km (0.113 R)
• M9: 4,670,894 km (0.107 R)
• M10: 5,615,306 km (0.103 R)
• M11: 6,873,723 km (0.075 R)
• M12: 7,603,910 km (0.113 R)
• M13: 8,570,312 km (0.104 R)
• M14: 9,141,477 km (0.102 R)
• M15: 9,738,223 km (0.068 R)
• M16: 11,276,538 km (0.069 R)
• M17: 13,219,814 km (0.065 R)
• M18: 16,452,774 km (0.068 R)
• M19: 18,314,519 km (0.109 R)
• M20: 21,886,916 km (0.099 R)
• M21: 22,883,837 km (0.09 R)
• M22: 27,176,847 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.5

Radius: 9.2

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.56 AU - 5.48 AU

Year: 7500 Days

Day: 11.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,430,135 km

• M1: 114,442 km (0.074 R)
• M2: 599,289 km (0.069 R)
• M3: 948,899 km (0.05 R)
• M4: 1,435,392 km (0.051 R)
• M5: 1,828,236 km (0.046 R)
• M6: 2,209,411 km (0.087 R)
• M7: 3,545,769 km (0.096 R)
• M8: 4,722,655 km (0.103 R)
• M9: 5,032,323 km (0.115 R)
• M10: 5,415,742 km (0.112 R)
• M11: 9,889,167 km (0.086 R)
• M12: 11,070,392 km (0.117 R)
• M13: 11,417,459 km (0.082 R)
• M14: 11,925,793 km (0.09 R)
• M15: 13,654,246 km (0.113 R)
• M16: 16,042,128 km (0.094 R)
• M17: 18,211,297 km (0.095 R)
• M18: 23,203,527 km (0.057 R)
• M19: 24,102,012 km (0.095 R)
• M20: 33,155,526 km (0.119 R)
• M21: 34,927,064 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.8

Radius: 3.3

Gravity: 41.12 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.48 AU - 6.34 AU

Year: 9581 Days

Day: 21.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,430,135 km

• M1: 41,439 km (0.062 R)
• M2: 225,743 km (0.091 R)
• M3: 565,181 km (0.111 R)
• M4: 687,402 km (0.111 R)
• M5: 1,077,853 km (0.07 R)
• M6: 1,267,692 km (0.096 R)
• M7: 1,427,463 km (0.101 R)
• M8: 2,239,779 km (0.057 R)
• M9: 2,824,707 km (0.077 R)
• M10: 3,746,080 km (0.066 R)
• M11: 4,049,764 km (0.102 R)
• M12: 9,901,584 km (0.092 R)
• M13: 10,333,772 km (0.095 R)
• M14: 11,547,460 km (0.115 R)
• M15: 12,134,332 km (0.083 R)
• M16: 14,866,288 km (0.099 R)
• M17: 17,216,920 km (0.064 R)
• M18: 21,985,950 km (0.079 R)
• M19: 22,720,177 km (0.103 R)
• M20: 23,051,685 km (0.036 R)
• M21: 23,809,249 km (0.086 R)
• M22: 24,323,417 km (0.065 R)
• M23: 31,389,074 km (0.07 R)
• M24: 32,214,854 km (0.11 R)
• M25: 37,017,245 km (0.092 R)
• M26: 37,476,062 km (0.038 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: 352 - 13,320 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit