🌌 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: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.1

Radius: 9.6

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.73 AU - 1.01 AU

Year: 550 Days

Day: 8.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,852,510 km

• M1: 119,379 km (0.067 R)
• M2: 425,307 km (0.111 R)
• M3: 772,673 km (0.113 R)
• M4: 1,106,575 km (0.066 R)
• M5: 1,625,530 km (0.076 R)
• M6: 2,010,446 km (0.081 R)
• M7: 3,093,086 km (0.053 R)
• M8: 3,559,233 km (0.077 R)
• M9: 3,918,417 km (0.091 R)
• M10: 5,261,208 km (0.106 R)
• M11: 5,909,116 km (0.106 R)
• M12: 6,395,459 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.6

Radius: 12.5

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.15 AU - 1.29 AU

Year: 914 Days

Day: 13.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,852,510 km

• M1: 155,432 km (0.106 R)
• M2: 550,371 km (0.111 R)
• M3: 1,085,931 km (0.075 R)
• M4: 1,677,890 km (0.095 R)
• M5: 2,594,177 km (0.094 R)
• M6: 3,378,369 km (0.041 R)
• M7: 3,875,782 km (0.088 R)
• M8: 4,885,567 km (0.077 R)
• M9: 5,488,297 km (0.047 R)
• M10: 6,159,692 km (0.105 R)
• M11: 6,719,039 km (0.119 R)
• M12: 7,644,152 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.9

Radius: 9.6

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.66 AU - 1.84 AU

Year: 1570 Days

Day: 6.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,852,510 km

• M1: 119,678 km (0.119 R)
• M2: 666,459 km (0.03 R)
• M3: 981,811 km (0.031 R)
• M4: 1,383,332 km (0.095 R)
• M5: 1,803,702 km (0.103 R)
• M6: 2,284,958 km (0.071 R)
• M7: 3,505,826 km (0.052 R)
• M8: 4,100,178 km (0.109 R)
• M9: 5,596,756 km (0.09 R)
• M10: 6,528,002 km (0.034 R)
• M11: 7,559,330 km (0.113 R)
• M12: 7,880,816 km (0.057 R)
• M13: 8,666,653 km (0.107 R)
• M14: 10,558,618 km (0.055 R)
• M15: 11,725,182 km (0.095 R)
• M16: 12,156,772 km (0.094 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.5

Radius: 6.2

Gravity: 17.36 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.11 AU - 7.59 AU

Year: 10853 Days

Day: 21.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,852,510 km

• M1: 77,492 km (0.063 R)
• M2: 460,163 km (0.056 R)
• M3: 761,154 km (0.074 R)
• M4: 1,009,636 km (0.1 R)
• M5: 1,457,233 km (0.115 R)
• M6: 2,116,959 km (0.051 R)
• M7: 2,318,917 km (0.117 R)
• M8: 2,826,652 km (0.1 R)
• M9: 3,951,029 km (0.1 R)
• M10: 5,618,746 km (0.096 R)
• M11: 8,736,516 km (0.078 R)
• M12: 9,455,034 km (0.098 R)
• M13: 10,900,748 km (0.062 R)
• M14: 13,774,972 km (0.115 R)
• M15: 15,902,702 km (0.106 R)
• M16: 17,264,641 km (0.101 R)
• M17: 20,055,240 km (0.118 R)
• M18: 20,797,096 km (0.118 R)
• M19: 21,642,623 km (0.1 R)
• M20: 22,599,152 km (0.036 R)
• M21: 24,224,383 km (0.119 R)
• M22: 30,959,429 km (0.073 R)
• M23: 31,617,211 km (0.118 R)
• M24: 32,621,312 km (0.066 R)
• M25: 37,838,238 km (0.085 R)
• M26: 38,212,831 km (0.03 R)
• M27: 48,698,296 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.3

Radius: 6.3

Gravity: 17.9 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 8.29 AU - 12.99 AU

Year: 23540 Days

Day: 17.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 85,852,510 km

• M1: 91,105 km (0.07 R)
• M2: 298,897 km (0.046 R)
• M3: 570,267 km (0.045 R)
• M4: 930,798 km (0.084 R)
• M5: 1,551,330 km (0.097 R)
• M6: 1,901,389 km (0.107 R)
• M7: 2,258,030 km (0.065 R)
• M8: 2,464,475 km (0.109 R)
• M9: 2,733,901 km (0.079 R)
• M10: 4,458,316 km (0.104 R)
• M11: 7,894,579 km (0.114 R)
• M12: 11,456,355 km (0.074 R)
• M13: 12,490,076 km (0.114 R)
• M14: 14,039,910 km (0.093 R)
• M15: 14,821,110 km (0.114 R)
• M16: 15,879,664 km (0.112 R)
• M17: 16,987,586 km (0.118 R)
• M18: 17,964,610 km (0.087 R)
• M19: 19,643,397 km (0.106 R)
• M20: 24,514,603 km (0.087 R)
• M21: 26,575,314 km (0.067 R)
• M22: 33,997,462 km (0.102 R)
• M23: 35,688,367 km (0.09 R)
• M24: 36,264,319 km (0.038 R)
• M25: 37,286,970 km (0.114 R)
• M26: 40,314,831 km (0.06 R)
• M27: 41,254,156 km (0.12 R)
• M28: 43,339,251 km (0.057 R)
• M29: 43,666,122 km (0.07 R)
• M30: 45,157,613 km (0.115 R)
• M31: 50,735,669 km (0.112 R)
• M32: 55,978,626 km (0.076 R)
• M33: 61,984,531 km (0.074 R)
• M34: 63,235,020 km (0.053 R)
• M35: 63,866,622 km (0.088 R)
• M36: 66,869,650 km (0.072 R)
• M37: 75,965,799 km (0.163 R)
• M38: 80,561,445 km (0.096 R)
• M39: 83,052,998 km (0.089 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: 520 - 20,192 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit