🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.6 AU - 0.7 AU

Year: 338 Days

Day: 47.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 8,674,050 km

• M1: 506,987 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.1

Radius: 8.5

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.67 AU - 0.85 AU

Year: 428 Days

Day: 9.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 8,674,050 km

• M1: 106,065 km (0.106 R)
• M2: 159,471 km (0.114 R)
• M3: 238,609 km (0.047 R)
• M4: 303,833 km (0.097 R)
• M5: 366,664 km (0.095 R)
• M6: 469,588 km (0.098 R)
• M7: 545,434 km (0.095 R)
• M8: 612,753 km (0.079 R)
• M9: 710,590 km (0.117 R)
• M10: 788,680 km (0.09 R)
• M11: 907,760 km (0.099 R)
• M12: 965,804 km (0.056 R)
• M13: 1,093,860 km (0.04 R)
• M14: 1,172,698 km (0.036 R)
• M15: 1,407,417 km (0.102 R)
• M16: 1,479,822 km (0.116 R)
• M17: 1,600,398 km (0.096 R)
• M18: 1,685,818 km (0.069 R)
• M19: 1,767,798 km (0.117 R)
• M20: 1,821,653 km (0.076 R)
• M21: 1,896,003 km (0.111 R)
• M22: 1,981,573 km (0.073 R)
• M23: 2,172,311 km (0.079 R)
• M24: 2,283,163 km (0.046 R)
• M25: 2,428,572 km (0.115 R)
• M26: 2,571,587 km (0.071 R)
• M27: 2,689,171 km (0.111 R)
• M28: 2,774,143 km (0.073 R)
• M29: 2,865,996 km (0.082 R)
• M30: 2,929,575 km (0.111 R)
• M31: 3,141,406 km (0.095 R)
• M32: 3,219,047 km (0.115 R)
• M33: 3,279,335 km (0.068 R)
• M34: 3,388,691 km (0.094 R)
• M35: 3,517,794 km (0.084 R)
• M36: 3,610,993 km (0.117 R)
• M37: 3,780,937 km (0.081 R)
• M38: 3,960,005 km (0.043 R)
• M39: 4,141,916 km (0.084 R)
• M40: 4,233,919 km (0.075 R)
• M41: 4,446,647 km (0.101 R)
• M42: 4,595,048 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.8

Radius: 11.4

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.84 AU - 1.06 AU

Year: 598 Days

Day: 10.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 8,674,050 km

• M1: 143,464 km (0.101 R)
• M2: 222,153 km (0.067 R)
• M3: 318,045 km (0.048 R)
• M4: 459,565 km (0.075 R)
• M5: 643,720 km (0.069 R)
• M6: 714,629 km (0.112 R)
• M7: 861,684 km (0.114 R)
• M8: 949,498 km (0.094 R)
• M9: 1,083,089 km (0.106 R)
• M10: 1,169,855 km (0.107 R)
• M11: 1,379,143 km (0.111 R)
• M12: 1,464,414 km (0.108 R)
• M13: 1,581,100 km (0.118 R)
• M14: 1,787,844 km (0.103 R)
• M15: 1,987,557 km (0.038 R)
• M16: 2,090,181 km (0.099 R)
• M17: 2,189,215 km (0.09 R)
• M18: 2,272,990 km (0.108 R)
• M19: 2,346,443 km (0.053 R)
• M20: 2,466,719 km (0.118 R)
• M21: 2,595,224 km (0.075 R)
• M22: 2,666,133 km (0.098 R)
• M23: 2,773,993 km (0.117 R)
• M24: 2,858,815 km (0.116 R)
• M25: 3,055,985 km (0.098 R)
• M26: 3,168,932 km (0.062 R)
• M27: 3,321,821 km (0.085 R)
• M28: 3,581,971 km (0.041 R)
• M29: 3,701,351 km (0.095 R)
• M30: 3,821,926 km (0.117 R)
• M31: 3,896,426 km (0.068 R)
• M32: 3,971,225 km (0.108 R)
• M33: 4,060,385 km (0.092 R)
• M34: 4,226,738 km (0.062 R)
• M35: 4,331,906 km (0.099 R)
• M36: 4,459,213 km (0.102 R)
• M37: 4,710,388 km (0.109 R)
• M38: 4,790,273 km (0.082 R)
• M39: 4,951,540 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.5

Radius: 8.1

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.33 AU - 1.43 AU

Year: 1047 Days

Day: 7 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 8,674,050 km

• M1: 108,010 km (0.073 R)
• M2: 179,817 km (0.064 R)
• M3: 262,993 km (0.099 R)
• M4: 328,367 km (0.111 R)
• M5: 422,016 km (0.11 R)
• M6: 618,886 km (0.059 R)
• M7: 680,521 km (0.081 R)
• M8: 739,163 km (0.095 R)
• M9: 810,820 km (0.116 R)
• M10: 879,037 km (0.056 R)
• M11: 1,096,104 km (0.091 R)
• M12: 1,153,100 km (0.096 R)
• M13: 1,237,324 km (0.07 R)
• M14: 1,370,915 km (0.06 R)
• M15: 1,502,411 km (0.076 R)
• M16: 1,580,502 km (0.094 R)
• M17: 1,645,427 km (0.1 R)
• M18: 1,725,911 km (0.108 R)
• M19: 1,875,957 km (0.049 R)
• M20: 1,952,551 km (0.093 R)
• M21: 2,022,414 km (0.099 R)
• M22: 2,180,838 km (0.112 R)
• M23: 2,310,390 km (0.106 R)
• M24: 2,401,046 km (0.08 R)
• M25: 2,484,521 km (0.1 R)
• M26: 2,662,842 km (0.071 R)
• M27: 2,766,813 km (0.116 R)
• M28: 2,871,980 km (0.057 R)
• M29: 2,925,087 km (0.097 R)
• M30: 2,978,643 km (0.094 R)
• M31: 3,068,402 km (0.046 R)
• M32: 3,150,082 km (0.101 R)
• M33: 3,287,712 km (0.085 R)
• M34: 3,588,105 km (0.105 R)
• M35: 3,712,720 km (0.076 R)
• M36: 3,780,488 km (0.03 R)
• M37: 4,065,322 km (0.114 R)
• M38: 4,306,324 km (0.112 R)
• M39: 4,510,825 km (0.12 R)
• M40: 4,676,729 km (0.061 R)
• M41: 4,760,503 km (0.081 R)
• M42: 4,897,535 km (0.03 R)
• M43: 4,982,507 km (0.106 R)
• M44: 5,100,240 km (0.084 R)
• M45: 5,186,558 km (0.086 R)
• M46: 5,284,096 km (0.077 R)
• M47: 5,503,107 km (0.112 R)
• M48: 5,558,309 km (0.075 R)
• M49: 5,658,091 km (0.085 R)
• M50: 5,792,280 km (0.075 R)
• M51: 5,882,188 km (0.099 R)
• M52: 6,109,278 km (0.107 R)
• M53: 6,618,808 km (0.116 R)
• M54: 6,914,414 km (0.118 R)
• M55: 6,997,889 km (0.111 R)
• M56: 7,093,781 km (0.076 R)
• M57: 7,372,033 km (0.058 R)
• M58: 7,445,187 km (0.056 R)
• M59: 7,653,726 km (0.107 R)
• M60: 7,802,127 km (0.102 R)
• M61: 7,989,125 km (0.059 R)
• M62: 8,089,355 km (0.119 R)
• M63: 8,152,186 km (0.116 R)
• M64: 8,532,913 km (0.119 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: 237 - 10,367 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit