🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.61 AU - 0.63 AU

Year: 177 Days

Day: 17.4 Hours

Environment

Temp: 137 °C

Axial Tilt: 38 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.09 AU - 1.11 AU

Year: 417 Days

Day: 41.3 Hours

Environment

Temp: 36 °C

Axial Tilt: 14.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1 AU - 1.54 AU

Year: 518 Days

Day: 27 Hours

Environment

Temp: 12 °C

Axial Tilt: 6.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.38 AU - 1.54 AU

Year: 638 Days

Day: 35 Hours

Environment

Temp: -39 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,842,581 km

• M1: 43,234 km (0.055 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.85 AU - 2.89 AU

Year: 1758 Days

Day: 33.1 Hours

Environment

Temp: -86 °C

Axial Tilt: 2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,842,581 km

• M1: 561,441 km (0.072 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.28 AU - 3.56 AU

Year: 1805 Days

Day: 34.2 Hours

Environment

Temp: -97 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.69 AU - 4.17 AU

Year: 2297 Days

Day: 38.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.4

Radius: 12.9

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.88 AU - 6.44 AU

Year: 4870 Days

Day: 14.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 34,842,581 km

• M1: 182,509 km (0.086 R)
• M2: 275,410 km (0.117 R)
• M3: 559,197 km (0.091 R)
• M4: 770,279 km (0.112 R)
• M5: 981,362 km (0.055 R)
• M6: 1,660,088 km (0.111 R)
• M7: 1,745,508 km (0.059 R)
• M8: 2,028,996 km (0.097 R)
• M9: 2,139,250 km (0.103 R)
• M10: 2,270,596 km (0.083 R)
• M11: 2,581,012 km (0.038 R)
• M12: 2,843,407 km (0.106 R)
• M13: 3,157,263 km (0.062 R)
• M14: 3,526,620 km (0.104 R)
• M15: 3,637,921 km (0.104 R)
• M16: 3,773,157 km (0.063 R)
• M17: 3,910,040 km (0.096 R)
• M18: 4,002,192 km (0.101 R)
• M19: 4,141,916 km (0.063 R)
• M20: 4,259,500 km (0.112 R)
• M21: 4,692,436 km (0.076 R)
• M22: 4,989,089 km (0.097 R)
• M23: 5,190,298 km (0.065 R)
• M24: 5,445,512 km (0.075 R)
• M25: 6,290,291 km (0.084 R)
• M26: 6,425,977 km (0.12 R)
• M27: 7,062,815 km (0.089 R)
• M28: 7,431,873 km (0.104 R)
• M29: 7,575,487 km (0.104 R)
• M30: 8,011,864 km (0.087 R)
• M31: 9,031,223 km (0.093 R)
• M32: 9,184,711 km (0.068 R)
• M33: 9,525,196 km (0.026 R)
• M34: 9,775,473 km (0.109 R)
• M35: 10,250,596 km (0.072 R)
• M36: 10,346,488 km (0.051 R)
• M37: 11,026,560 km (0.113 R)
• M38: 11,554,341 km (0.073 R)
• M39: 12,090,500 km (0.083 R)
• M40: 12,361,721 km (0.053 R)
• M41: 12,498,005 km (0.113 R)
• M42: 12,600,629 km (0.089 R)
• M43: 12,944,554 km (0.108 R)
• M44: 13,291,621 km (0.065 R)
• M45: 13,431,346 km (0.107 R)
• M46: 13,924,121 km (0.058 R)
• M47: 14,674,354 km (0.111 R)
• M48: 15,364,599 km (0.079 R)
• M49: 15,732,161 km (0.111 R)
• M50: 16,028,215 km (0.046 R)
• M51: 16,438,412 km (0.101 R)
• M52: 17,460,016 km (0.098 R)
• M53: 17,728,245 km (0.095 R)
• M54: 17,920,628 km (0.076 R)
• M55: 18,075,013 km (0.1 R)
• M56: 18,229,997 km (0.108 R)
• M57: 18,775,580 km (0.089 R)
• M58: 19,011,047 km (0.087 R)
• M59: 19,405,537 km (0.091 R)
• M60: 19,564,260 km (0.059 R)
• M61: 20,162,801 km (0.031 R)
• M62: 20,646,152 km (0.054 R)
• M63: 21,912,199 km (0.108 R)
• M64: 22,951,605 km (0.062 R)
• M65: 23,625,094 km (0.095 R)
• M66: 24,905,652 km (0.095 R)
• M67: 25,034,904 km (0.116 R)
• M68: 25,597,841 km (0.099 R)
• M69: 26,559,905 km (0.062 R)
• M70: 27,001,069 km (0.095 R)
• M71: 27,533,787 km (0.067 R)
• M72: 28,429,280 km (0.098 R)
• M73: 29,152,436 km (0.068 R)
• M74: 29,607,663 km (0.094 R)
• M75: 29,927,652 km (0.113 R)
• M76: 30,065,133 km (0.065 R)
• M77: 30,386,768 km (0.113 R)
• M78: 31,033,480 km (0.048 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.8

Radius: 9.4

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 9.42 AU - 10.66 AU

Year: 11505 Days

Day: 8.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 34,842,581 km

• M1: 360,531 km (0.085 R)
• M2: 564,433 km (0.063 R)
• M3: 824,434 km (0.059 R)
• M4: 1,249,441 km (0.117 R)
• M5: 1,315,414 km (0.071 R)
• M6: 1,428,061 km (0.119 R)
• M7: 1,687,614 km (0.082 R)
• M8: 1,760,917 km (0.091 R)
• M9: 2,197,593 km (0.043 R)
• M10: 2,305,154 km (0.089 R)
• M11: 2,442,185 km (0.04 R)
• M12: 2,667,180 km (0.089 R)
• M13: 2,811,243 km (0.1 R)
• M14: 3,289,508 km (0.114 R)
• M15: 3,351,142 km (0.072 R)
• M16: 3,633,134 km (0.046 R)
• M17: 4,490,778 km (0.113 R)
• M18: 4,593,702 km (0.066 R)
• M19: 4,697,373 km (0.082 R)
• M20: 4,767,086 km (0.095 R)
• M21: 5,591,819 km (0.061 R)
• M22: 5,702,671 km (0.117 R)
• M23: 6,001,867 km (0.11 R)
• M24: 6,460,234 km (0.074 R)
• M25: 7,451,470 km (0.081 R)
• M26: 7,532,851 km (0.059 R)
• M27: 7,696,362 km (0.102 R)
• M28: 8,152,336 km (0.044 R)
• M29: 8,531,866 km (0.113 R)
• M30: 9,264,596 km (0.079 R)
• M31: 9,927,913 km (0.102 R)
• M32: 10,743,969 km (0.103 R)
• M33: 10,882,048 km (0.114 R)
• M34: 12,633,391 km (0.084 R)
• M35: 12,828,017 km (0.071 R)
• M36: 13,121,678 km (0.085 R)
• M37: 13,865,628 km (0.098 R)
• M38: 14,116,803 km (0.082 R)
• M39: 14,318,611 km (0.093 R)
• M40: 14,725,367 km (0.109 R)
• M41: 14,930,167 km (0.114 R)
• M42: 15,602,310 km (0.12 R)
• M43: 16,389,943 km (0.083 R)
• M44: 17,514,470 km (0.071 R)
• M45: 17,840,294 km (0.103 R)
• M46: 18,058,707 km (0.098 R)
• M47: 18,941,035 km (0.038 R)
• M48: 19,331,486 km (0.08 R)
• M49: 19,443,385 km (0.069 R)
• M50: 19,611,982 km (0.085 R)
• M51: 19,837,276 km (0.067 R)
• M52: 20,120,166 km (0.076 R)
• M53: 20,575,691 km (0.07 R)
• M54: 20,804,725 km (0.109 R)
• M55: 22,431,453 km (0.079 R)
• M56: 23,438,845 km (0.081 R)
• M57: 24,400,460 km (0.062 R)
• M58: 24,886,204 km (0.05 R)
• M59: 24,947,091 km (0.1 R)
• M60: 25,990,536 km (0.093 R)
• M61: 26,548,835 km (0.075 R)
• M62: 27,740,083 km (0.034 R)
• M63: 28,629,143 km (0.03 R)
• M64: 28,948,834 km (0.064 R)
• M65: 29,527,478 km (0.045 R)
• M66: 29,785,834 km (0.11 R)
• M67: 29,850,460 km (0.048 R)
• M68: 29,915,236 km (0.08 R)
• M69: 33,078,184 km (0.074 R)
• M70: 36,414,665 km (0.034 R)
• M71: 37,597,236 km (0.03 R)
• M72: 38,157,929 km (0.059 R)
• M73: 38,228,240 km (0.114 R)
• M74: 38,439,472 km (0.042 R)
• M75: 39,287,842 km (0.094 R)
• M76: 40,070,986 km (0.077 R)
• M77: 41,508,173 km (0.098 R)
• M78: 41,652,834 km (0.094 R)
• M79: 42,232,975 km (0.084 R)
• M80: 43,548,389 km (0.102 R)
• M81: 43,989,703 km (0.09 R)
• M82: 44,210,958 km (0.08 R)
• M83: 44,506,563 km (0.078 R)
• M84: 46,368,907 km (0.116 R)
• M85: 46,669,300 km (0.074 R)
• M86: 46,744,547 km (0.077 R)
• M87: 50,323,527 km (0.089 R)
• M88: 50,477,762 km (0.055 R)
• M89: 51,096,200 km (0.104 R)
• M90: 51,639,539 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.1

Radius: 7.4

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 11.49 AU - 16.41 AU

Year: 18843 Days

Day: 16.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 34,842,581 km

• M1: 132,095 km (0.104 R)
• M2: 272,567 km (0.111 R)
• M3: 319,541 km (0.093 R)
• M4: 423,811 km (0.087 R)
• M5: 863,629 km (0.118 R)
• M6: 1,359,845 km (0.109 R)
• M7: 1,572,872 km (0.11 R)
• M8: 1,646,325 km (0.092 R)
• M9: 1,815,669 km (0.06 R)
• M10: 2,171,712 km (0.112 R)
• M11: 2,316,074 km (0.027 R)
• M12: 2,484,970 km (0.084 R)
• M13: 2,592,531 km (0.08 R)
• M14: 3,436,263 km (0.089 R)
• M15: 3,776,149 km (0.102 R)
• M16: 3,900,166 km (0.073 R)
• M17: 4,177,820 km (0.083 R)
• M18: 4,699,019 km (0.089 R)
• M19: 4,832,610 km (0.073 R)
• M20: 5,773,580 km (0.117 R)
• M21: 6,003,213 km (0.101 R)
• M22: 6,471,155 km (0.115 R)
• M23: 6,530,545 km (0.094 R)
• M24: 7,629,491 km (0.081 R)
• M25: 7,692,173 km (0.075 R)
• M26: 7,849,699 km (0.077 R)
• M27: 8,040,287 km (0.101 R)
• M28: 8,328,861 km (0.094 R)
• M29: 8,653,489 km (0.066 R)
• M30: 9,959,029 km (0.039 R)
• M31: 10,096,510 km (0.103 R)
• M32: 10,442,530 km (0.102 R)
• M33: 10,792,589 km (0.094 R)
• M34: 11,075,478 km (0.079 R)
• M35: 11,684,641 km (0.07 R)
• M36: 11,938,508 km (0.073 R)
• M37: 12,011,512 km (0.08 R)
• M38: 12,525,979 km (0.076 R)
• M39: 13,576,306 km (0.082 R)
• M40: 13,690,599 km (0.117 R)
• M41: 13,996,676 km (0.084 R)
• M42: 14,889,476 km (0.106 R)
• M43: 15,402,148 km (0.116 R)
• M44: 15,840,619 km (0.051 R)
• M45: 17,262,547 km (0.114 R)
• M46: 17,676,185 km (0.1 R)
• M47: 18,009,489 km (0.064 R)
• M48: 18,177,039 km (0.091 R)
• M49: 18,640,194 km (0.087 R)
• M50: 19,278,079 km (0.117 R)
• M51: 19,406,434 km (0.052 R)
• M52: 19,492,303 km (0.094 R)
• M53: 19,922,996 km (0.084 R)
• M54: 20,356,979 km (0.084 R)
• M55: 20,793,954 km (0.072 R)
• M56: 21,544,038 km (0.073 R)
• M57: 21,677,330 km (0.089 R)
• M58: 22,482,914 km (0.089 R)
• M59: 23,343,701 km (0.055 R)
• M60: 24,261,483 km (0.071 R)
• M61: 24,771,313 km (0.12 R)
• M62: 25,237,759 km (0.074 R)
• M63: 25,378,232 km (0.112 R)
• M64: 26,179,478 km (0.118 R)
• M65: 26,845,487 km (0.058 R)
• M66: 27,036,823 km (0.095 R)
• M67: 27,084,694 km (0.113 R)
• M68: 27,420,841 km (0.08 R)
• M69: 28,097,173 km (0.075 R)
• M70: 28,291,501 km (0.098 R)
• M71: 28,534,896 km (0.103 R)
• M72: 29,023,932 km (0.053 R)
• M73: 29,515,660 km (0.085 R)
• M74: 29,861,530 km (0.114 R)
• M75: 30,907,219 km (0.12 R)
• M76: 31,359,005 km (0.085 R)
• M77: 32,523,475 km (0.12 R)
• M78: 32,829,552 km (0.098 R)
• M79: 34,219,017 km (0.033 R)

Kuiper Belt

Range: 30.3 - 53.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 10,317 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit