🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.43 AU - 0.61 AU

Year: 158 Days

Day: 26 Hours

Environment

Temp: 117 °C

Axial Tilt: 21.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 19,308,828 km

• M1: 299,944 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.58 AU - 0.84 AU

Year: 252 Days

Day: 39.5 Hours

Environment

Temp: 7 °C

Axial Tilt: 20.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 19,308,828 km

• M1: 365,916 km (0.047 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.84 AU - 0.88 AU

Year: 336 Days

Day: 25.1 Hours

Environment

Temp: -21 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.91 AU - 1.03 AU

Year: 403 Days

Day: 27.6 Hours

Environment

Temp: -38 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 19,308,828 km

• M1: 36,053 km (0.036 R)
• M2: 88,861 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.98 AU - 1.24 AU

Year: 493 Days

Day: 35 Hours

Environment

Temp: -58 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.7

Radius: 10.2

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.25 AU - 3.75 AU

Year: 2192 Days

Day: 14.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 19,308,828 km

• M1: 128,505 km (0.038 R)
• M2: 249,529 km (0.114 R)
• M3: 355,594 km (0.034 R)
• M4: 466,596 km (0.112 R)
• M5: 737,518 km (0.025 R)
• M6: 820,096 km (0.062 R)
• M7: 975,378 km (0.094 R)
• M8: 1,119,441 km (0.061 R)
• M9: 1,315,414 km (0.102 R)
• M10: 1,429,258 km (0.087 R)
• M11: 1,522,906 km (0.045 R)
• M12: 1,606,532 km (0.075 R)
• M13: 1,778,569 km (0.086 R)
• M14: 1,930,860 km (0.11 R)
• M15: 2,127,581 km (0.063 R)
• M16: 2,235,291 km (0.066 R)
• M17: 2,358,560 km (0.115 R)
• M18: 2,456,098 km (0.103 R)
• M19: 2,949,172 km (0.114 R)
• M20: 3,176,561 km (0.079 R)
• M21: 3,315,687 km (0.04 R)
• M22: 3,472,765 km (0.085 R)
• M23: 4,041,985 km (0.117 R)
• M24: 4,142,515 km (0.085 R)
• M25: 4,243,792 km (0.089 R)
• M26: 4,431,837 km (0.115 R)
• M27: 4,535,508 km (0.114 R)
• M28: 4,745,544 km (0.057 R)
• M29: 5,084,383 km (0.099 R)
• M30: 5,247,744 km (0.086 R)
• M31: 5,394,499 km (0.119 R)
• M32: 5,579,701 km (0.114 R)
• M33: 5,785,847 km (0.104 R)
• M34: 6,148,024 km (0.082 R)
• M35: 6,302,708 km (0.089 R)
• M36: 6,380,648 km (0.099 R)
• M37: 6,655,609 km (0.109 R)
• M38: 6,754,793 km (0.087 R)
• M39: 6,854,425 km (0.058 R)
• M40: 7,258,040 km (0.113 R)
• M41: 7,545,268 km (0.111 R)
• M42: 7,669,434 km (0.119 R)
• M43: 7,836,086 km (0.098 R)
• M44: 7,961,898 km (0.074 R)
• M45: 8,130,644 km (0.092 R)
• M46: 8,236,859 km (0.084 R)
• M47: 8,321,980 km (0.057 R)
• M48: 8,407,550 km (0.11 R)
• M49: 9,014,319 km (0.069 R)
• M50: 9,389,660 km (0.114 R)
• M51: 9,770,237 km (0.091 R)
• M52: 10,041,757 km (0.12 R)
• M53: 10,132,862 km (0.074 R)
• M54: 10,224,266 km (0.062 R)
• M55: 10,315,970 km (0.072 R)
• M56: 11,508,415 km (0.07 R)
• M57: 12,060,431 km (0.067 R)
• M58: 12,278,844 km (0.087 R)
• M59: 12,670,341 km (0.067 R)
• M60: 13,041,045 km (0.101 R)
• M61: 13,415,339 km (0.1 R)
• M62: 13,515,719 km (0.112 R)
• M63: 13,666,813 km (0.108 R)
• M64: 14,123,535 km (0.101 R)
• M65: 14,225,710 km (0.116 R)
• M66: 14,869,729 km (0.073 R)
• M67: 15,025,760 km (0.086 R)
• M68: 15,365,646 km (0.09 R)
• M69: 16,213,118 km (0.091 R)
• M70: 16,400,564 km (0.095 R)
• M71: 16,561,831 km (0.108 R)
• M72: 16,669,541 km (0.067 R)
• M73: 16,858,782 km (0.098 R)
• M74: 17,760,110 km (0.093 R)
• M75: 18,063,943 km (0.102 R)
• M76: 18,425,371 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.4

Radius: 14.1

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.31 AU - 4.63 AU

Year: 3336 Days

Day: 11.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 19,308,828 km

• M1: 223,798 km (0.08 R)
• M2: 344,075 km (0.114 R)
• M3: 471,981 km (0.107 R)
• M4: 724,353 km (0.077 R)
• M5: 904,319 km (0.105 R)
• M6: 1,353,262 km (0.12 R)
• M7: 1,940,434 km (0.094 R)
• M8: 2,199,089 km (0.067 R)
• M9: 2,696,202 km (0.1 R)
• M10: 2,930,024 km (0.097 R)
• M11: 3,127,792 km (0.079 R)
• M12: 3,492,063 km (0.093 R)
• M13: 3,626,552 km (0.04 R)
• M14: 3,732,467 km (0.047 R)
• M15: 4,229,880 km (0.077 R)
• M16: 4,405,807 km (0.092 R)
• M17: 4,502,746 km (0.105 R)
• M18: 4,848,018 km (0.087 R)
• M19: 4,948,249 km (0.085 R)
• M20: 5,150,804 km (0.097 R)
• M21: 5,253,129 km (0.041 R)
• M22: 5,529,436 km (0.119 R)
• M23: 5,634,305 km (0.087 R)
• M24: 5,739,921 km (0.102 R)
• M25: 5,828,333 km (0.103 R)
• M26: 5,935,146 km (0.12 R)
• M27: 6,460,384 km (0.116 R)
• M28: 6,719,488 km (0.116 R)
• M29: 6,812,837 km (0.104 R)
• M30: 7,000,881 km (0.116 R)
• M31: 7,439,951 km (0.074 R)
• M32: 8,244,787 km (0.107 R)
• M33: 8,546,227 km (0.061 R)
• M34: 8,688,196 km (0.115 R)
• M35: 9,305,436 km (0.11 R)
• M36: 9,430,650 km (0.073 R)
• M37: 9,556,312 km (0.108 R)
• M38: 9,703,666 km (0.072 R)
• M39: 9,830,674 km (0.094 R)
• M40: 10,086,188 km (0.102 R)
• M41: 10,344,094 km (0.08 R)
• M42: 10,538,871 km (0.057 R)
• M43: 10,713,003 km (0.067 R)
• M44: 10,975,996 km (0.05 R)
• M45: 11,174,811 km (0.067 R)
• M46: 11,285,663 km (0.089 R)
• M47: 12,254,758 km (0.101 R)
• M48: 13,226,995 km (0.111 R)
• M49: 13,627,618 km (0.07 R)
• M50: 13,746,249 km (0.032 R)
• M51: 13,960,473 km (0.042 R)
• M52: 14,296,171 km (0.115 R)
• M53: 14,440,832 km (0.088 R)
• M54: 14,634,412 km (0.104 R)
• M55: 14,804,654 km (0.116 R)
• M56: 15,964,187 km (0.093 R)
• M57: 16,315,144 km (0.054 R)
• M58: 16,441,105 km (0.055 R)
• M59: 16,770,221 km (0.074 R)
• M60: 17,255,217 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.4

Radius: 13.6

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.12 AU - 4.2 AU

Year: 3578 Days

Day: 5.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 19,308,828 km

• M1: 175,777 km (0.095 R)
• M2: 260,599 km (0.069 R)
• M3: 419,472 km (0.08 R)
• M4: 583,731 km (0.078 R)
• M5: 773,571 km (0.087 R)
• M6: 900,729 km (0.091 R)
• M7: 1,099,694 km (0.087 R)
• M8: 1,231,789 km (0.11 R)
• M9: 1,369,718 km (0.12 R)
• M10: 1,455,138 km (0.063 R)
• M11: 1,692,251 km (0.085 R)
• M12: 1,942,379 km (0.095 R)
• M13: 2,055,624 km (0.082 R)
• M14: 2,340,459 km (0.039 R)
• M15: 2,496,489 km (0.105 R)
• M16: 2,674,212 km (0.074 R)
• M17: 2,801,071 km (0.094 R)
• M18: 3,174,916 km (0.056 R)
• M19: 3,368,046 km (0.105 R)
• M20: 3,624,906 km (0.096 R)
• M21: 3,786,322 km (0.094 R)
• M22: 3,908,843 km (0.103 R)
• M23: 4,242,446 km (0.102 R)
• M24: 4,391,296 km (0.118 R)
• M25: 4,981,908 km (0.113 R)
• M26: 5,458,826 km (0.032 R)
• M27: 5,761,612 km (0.044 R)
• M28: 5,950,555 km (0.045 R)
• M29: 6,189,761 km (0.031 R)
• M30: 6,359,106 km (0.117 R)
• M31: 6,530,097 km (0.047 R)
• M32: 6,876,565 km (0.051 R)
• M33: 7,102,458 km (0.105 R)
• M34: 7,229,018 km (0.086 R)
• M35: 7,382,057 km (0.062 R)
• M36: 7,769,066 km (0.08 R)
• M37: 8,295,501 km (0.108 R)
• M38: 9,244,550 km (0.043 R)
• M39: 9,355,252 km (0.086 R)
• M40: 9,661,928 km (0.094 R)
• M41: 10,085,440 km (0.095 R)
• M42: 10,630,724 km (0.1 R)
• M43: 10,980,035 km (0.104 R)
• M44: 11,333,235 km (0.115 R)
• M45: 11,900,062 km (0.09 R)
• M46: 12,050,707 km (0.096 R)
• M47: 12,690,687 km (0.104 R)
• M48: 13,216,972 km (0.093 R)
• M49: 13,971,992 km (0.09 R)
• M50: 14,515,332 km (0.115 R)
• M51: 14,968,015 km (0.114 R)
• M52: 15,261,526 km (0.069 R)
• M53: 15,721,839 km (0.097 R)
• M54: 16,020,137 km (0.09 R)
• M55: 16,588,758 km (0.114 R)
• M56: 17,677,083 km (0.067 R)
• M57: 18,438,835 km (0.106 R)
• M58: 19,140,599 km (0.091 R)
• M59: 19,815,285 km (0.072 R)
• M60: 19,958,301 km (0.06 R)
• M61: 20,353,538 km (0.102 R)
• M62: 21,188,145 km (0.066 R)
• M63: 21,701,714 km (0.117 R)
• M64: 21,960,070 km (0.116 R)
• M65: 22,405,273 km (0.111 R)
• M66: 22,666,321 km (0.092 R)
• M67: 22,815,919 km (0.115 R)
• M68: 23,986,971 km (0.119 R)
• M69: 24,791,210 km (0.117 R)
• M70: 25,487,737 km (0.059 R)
• M71: 25,955,530 km (0.115 R)
• M72: 26,386,970 km (0.041 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.6

Radius: 11.4

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.21 AU - 8.09 AU

Year: 7233 Days

Day: 12.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 19,308,828 km

• M1: 180,565 km (0.053 R)
• M2: 466,745 km (0.106 R)
• M3: 659,278 km (0.049 R)
• M4: 747,840 km (0.059 R)
• M5: 841,039 km (0.104 R)
• M6: 1,380,040 km (0.119 R)
• M7: 1,679,236 km (0.094 R)
• M8: 1,973,196 km (0.055 R)
• M9: 2,106,188 km (0.084 R)
• M10: 2,367,237 km (0.086 R)
• M11: 2,523,267 km (0.101 R)
• M12: 2,966,376 km (0.07 R)
• M13: 3,073,339 km (0.072 R)
• M14: 3,482,040 km (0.084 R)
• M15: 3,660,211 km (0.115 R)
• M16: 4,490,629 km (0.118 R)
• M17: 4,756,315 km (0.117 R)
• M18: 4,990,735 km (0.067 R)
• M19: 5,377,445 km (0.061 R)
• M20: 5,850,773 km (0.08 R)
• M21: 6,102,097 km (0.085 R)
• M22: 6,357,162 km (0.093 R)
• M23: 6,979,489 km (0.11 R)
• M24: 7,768,767 km (0.082 R)
• M25: 8,109,551 km (0.087 R)
• M26: 8,498,954 km (0.057 R)
• M27: 8,608,161 km (0.062 R)
• M28: 9,027,484 km (0.104 R)
• M29: 9,453,688 km (0.114 R)
• M30: 10,070,480 km (0.092 R)
• M31: 10,186,269 km (0.081 R)
• M32: 10,372,219 km (0.113 R)
• M33: 10,794,833 km (0.099 R)
• M34: 11,439,450 km (0.107 R)
• M35: 11,632,880 km (0.066 R)
• M36: 11,851,742 km (0.088 R)
• M37: 12,145,702 km (0.101 R)
• M38: 12,966,545 km (0.113 R)
• M39: 13,523,648 km (0.06 R)
• M40: 13,651,404 km (0.113 R)
• M41: 13,753,879 km (0.048 R)
• M42: 14,270,141 km (0.105 R)
• M43: 15,109,235 km (0.051 R)
• M44: 15,802,921 km (0.114 R)
• M45: 17,331,961 km (0.06 R)
• M46: 18,396,200 km (0.055 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 17,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit