🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.64 AU - 0.8 AU

Year: 214 Days

Day: 45.6 Hours

Environment

Temp: 170 °C

Axial Tilt: 9.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,474,738 km

• M1: 172,187 km (0.077 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.62 AU - 1.98 AU

Year: 845 Days

Day: 22.3 Hours

Environment

Temp: -40 °C

Axial Tilt: 11.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.53 AU - 2.59 AU

Year: 1433 Days

Day: 15.4 Hours

Environment

Temp: -67 °C

Axial Tilt: 49.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,474,738 km

• M1: 340,186 km (0.052 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.09 AU - 3.83 AU

Year: 2252 Days

Day: 33.9 Hours

Environment

Temp: -101 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,474,738 km

• M1: 249,679 km (0.093 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.41 AU - 4.51 AU

Year: 3295 Days

Day: 45.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 48.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,474,738 km

• M1: 95,443 km (0.066 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.79 AU - 5.95 AU

Year: 3760 Days

Day: 40.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.5

Radius: 11.7

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.27 AU - 8.57 AU

Year: 7798 Days

Day: 9.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 72,474,738 km

• M1: 150,944 km (0.111 R)
• M2: 310,416 km (0.104 R)
• M3: 436,975 km (0.109 R)
• M4: 612,005 km (0.08 R)
• M5: 733,329 km (0.087 R)
• M6: 853,306 km (0.113 R)
• M7: 958,922 km (0.045 R)
• M8: 1,255,126 km (0.104 R)
• M9: 1,713,045 km (0.101 R)
• M10: 2,492,001 km (0.111 R)
• M11: 2,584,902 km (0.104 R)
• M12: 2,919,103 km (0.1 R)
• M13: 3,017,090 km (0.111 R)
• M14: 3,250,313 km (0.057 R)
• M15: 3,699,256 km (0.059 R)
• M16: 3,859,326 km (0.046 R)
• M17: 4,058,141 km (0.06 R)
• M18: 4,186,347 km (0.062 R)
• M19: 4,278,798 km (0.084 R)
• M20: 4,560,341 km (0.118 R)
• M21: 4,655,635 km (0.058 R)
• M22: 4,886,914 km (0.1 R)
• M23: 5,441,174 km (0.08 R)
• M24: 5,603,338 km (0.119 R)
• M25: 6,120,348 km (0.037 R)
• M26: 6,246,609 km (0.08 R)
• M27: 6,459,187 km (0.086 R)
• M28: 6,566,449 km (0.113 R)
• M29: 7,089,293 km (0.095 R)
• M30: 7,693,519 km (0.084 R)
• M31: 7,898,618 km (0.114 R)
• M32: 8,174,925 km (0.08 R)
• M33: 8,477,861 km (0.087 R)
• M34: 8,571,958 km (0.079 R)
• M35: 8,713,478 km (0.098 R)
• M36: 8,832,109 km (0.037 R)
• M37: 9,408,958 km (0.07 R)
• M38: 9,652,952 km (0.107 R)
• M39: 9,775,772 km (0.063 R)
• M40: 11,160,450 km (0.063 R)
• M41: 11,862,513 km (0.069 R)
• M42: 12,338,683 km (0.112 R)
• M43: 12,552,159 km (0.092 R)
• M44: 12,632,643 km (0.112 R)
• M45: 12,740,203 km (0.105 R)
• M46: 12,956,073 km (0.101 R)
• M47: 13,064,382 km (0.082 R)
• M48: 13,145,913 km (0.119 R)
• M49: 13,666,065 km (0.117 R)
• M50: 14,276,873 km (0.115 R)
• M51: 15,209,616 km (0.117 R)
• M52: 15,352,781 km (0.111 R)
• M53: 15,611,286 km (0.111 R)
• M54: 16,191,277 km (0.065 R)
• M55: 16,366,605 km (0.11 R)
• M56: 16,454,569 km (0.119 R)
• M57: 16,867,010 km (0.062 R)
• M58: 16,955,722 km (0.115 R)
• M59: 17,402,122 km (0.104 R)
• M60: 17,521,800 km (0.118 R)
• M61: 17,882,630 km (0.078 R)
• M62: 18,094,162 km (0.096 R)
• M63: 18,276,222 km (0.071 R)
• M64: 18,580,953 km (0.079 R)
• M65: 18,672,657 km (0.114 R)
• M66: 19,350,036 km (0.068 R)
• M67: 19,660,601 km (0.117 R)
• M68: 20,098,175 km (0.07 R)
• M69: 20,223,837 km (0.108 R)
• M70: 20,570,605 km (0.052 R)
• M71: 20,887,603 km (0.094 R)
• M72: 21,270,274 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.1

Radius: 10.2

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 10.66 AU - 11.74 AU

Year: 13113 Days

Day: 6.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 72,474,738 km

• M1: 163,361 km (0.111 R)
• M2: 306,227 km (0.077 R)
• M3: 649,105 km (0.111 R)
• M4: 803,640 km (0.074 R)
• M5: 988,393 km (0.043 R)
• M6: 1,521,111 km (0.091 R)
• M7: 1,861,596 km (0.037 R)
• M8: 2,040,964 km (0.12 R)
• M9: 2,489,907 km (0.092 R)
• M10: 2,563,659 km (0.09 R)
• M11: 2,663,141 km (0.029 R)
• M12: 2,814,684 km (0.105 R)
• M13: 4,012,364 km (0.093 R)
• M14: 4,363,770 km (0.108 R)
• M15: 4,725,049 km (0.089 R)
• M16: 5,064,786 km (0.055 R)
• M17: 5,899,242 km (0.095 R)
• M18: 6,434,055 km (0.055 R)
• M19: 6,604,297 km (0.116 R)
• M20: 6,845,299 km (0.086 R)
• M21: 7,657,317 km (0.065 R)
• M22: 8,686,700 km (0.094 R)
• M23: 9,332,813 km (0.109 R)
• M24: 9,409,856 km (0.099 R)
• M25: 9,603,286 km (0.1 R)
• M26: 11,693,018 km (0.061 R)
• M27: 11,859,521 km (0.114 R)
• M28: 12,068,659 km (0.096 R)
• M29: 12,618,132 km (0.099 R)
• M30: 13,392,450 km (0.1 R)
• M31: 13,741,462 km (0.077 R)
• M32: 14,226,309 km (0.044 R)
• M33: 14,582,501 km (0.068 R)
• M34: 14,716,840 km (0.083 R)
• M35: 15,531,550 km (0.089 R)
• M36: 15,714,508 km (0.098 R)
• M37: 16,036,593 km (0.05 R)
• M38: 16,407,296 km (0.119 R)
• M39: 17,299,049 km (0.065 R)
• M40: 17,822,492 km (0.109 R)
• M41: 18,062,148 km (0.104 R)
• M42: 18,351,171 km (0.075 R)
• M43: 18,641,690 km (0.12 R)
• M44: 18,885,086 km (0.087 R)
• M45: 19,670,624 km (0.069 R)
• M46: 19,769,658 km (0.098 R)
• M47: 19,918,358 km (0.061 R)
• M48: 20,216,955 km (0.107 R)
• M49: 21,121,723 km (0.04 R)
• M50: 21,783,245 km (0.104 R)
• M51: 22,710,602 km (0.118 R)
• M52: 23,335,921 km (0.108 R)
• M53: 23,808,800 km (0.082 R)
• M54: 23,914,267 km (0.108 R)
• M55: 24,390,886 km (0.096 R)
• M56: 24,817,090 km (0.05 R)
• M57: 25,785,287 km (0.053 R)
• M58: 26,875,557 km (0.065 R)
• M59: 27,813,984 km (0.104 R)
• M60: 28,036,436 km (0.104 R)
• M61: 28,538,935 km (0.034 R)
• M62: 28,819,431 km (0.059 R)
• M63: 29,213,622 km (0.043 R)
• M64: 29,326,568 km (0.061 R)
• M65: 29,496,362 km (0.086 R)
• M66: 30,923,226 km (0.092 R)
• M67: 31,906,383 km (0.106 R)
• M68: 32,314,187 km (0.097 R)
• M69: 33,134,881 km (0.089 R)
• M70: 34,021,997 km (0.038 R)
• M71: 34,677,385 km (0.101 R)
• M72: 35,337,111 km (0.06 R)
• M73: 35,638,252 km (0.096 R)
• M74: 35,879,853 km (0.116 R)
• M75: 36,973,563 km (0.103 R)
• M76: 37,402,011 km (0.036 R)
• M77: 38,387,113 km (0.118 R)
• M78: 39,318,509 km (0.113 R)
• M79: 39,943,679 km (0.099 R)
• M80: 41,203,592 km (0.087 R)
• M81: 42,668,604 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 454.2

Radius: 3.9

Gravity: 29.86 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 15.56 AU - 16.86 AU

Year: 22832 Days

Day: 23.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 72,474,738 km

• M1: 155,881 km (0.034 R)
• M2: 253,419 km (0.119 R)
• M3: 406,158 km (0.044 R)
• M4: 502,499 km (0.115 R)
• M5: 694,284 km (0.106 R)
• M6: 982,708 km (0.108 R)
• M7: 1,193,791 km (0.047 R)
• M8: 1,447,808 km (0.117 R)
• M9: 1,718,132 km (0.082 R)
• M10: 2,135,809 km (0.087 R)
• M11: 4,425,554 km (0.111 R)
• M12: 4,770,975 km (0.069 R)
• M13: 4,991,333 km (0.111 R)
• M14: 5,169,953 km (0.076 R)
• M15: 6,189,462 km (0.11 R)
• M16: 6,381,247 km (0.107 R)
• M17: 6,820,167 km (0.106 R)
• M18: 7,268,811 km (0.062 R)
• M19: 7,829,953 km (0.03 R)
• M20: 8,037,445 km (0.037 R)
• M21: 8,352,049 km (0.114 R)
• M22: 8,993,375 km (0.101 R)
• M23: 9,319,947 km (0.113 R)
• M24: 10,040,710 km (0.033 R)
• M25: 10,664,533 km (0.107 R)
• M26: 10,721,829 km (0.09 R)
• M27: 12,368,303 km (0.114 R)
• M28: 13,220,562 km (0.105 R)
• M29: 13,529,482 km (0.03 R)
• M30: 13,778,413 km (0.116 R)
• M31: 13,966,008 km (0.086 R)
• M32: 16,216,858 km (0.062 R)
• M33: 16,547,619 km (0.102 R)
• M34: 16,680,462 km (0.107 R)
• M35: 17,014,215 km (0.095 R)
• M36: 17,350,062 km (0.101 R)
• M37: 17,960,272 km (0.107 R)
• M38: 19,201,784 km (0.089 R)
• M39: 19,621,706 km (0.054 R)
• M40: 19,832,788 km (0.115 R)
• M41: 20,399,315 km (0.107 R)
• M42: 20,971,228 km (0.068 R)
• M43: 23,013,987 km (0.086 R)
• M44: 23,609,237 km (0.087 R)
• M45: 23,683,886 km (0.086 R)
• M46: 25,348,312 km (0.097 R)
• M47: 26,040,053 km (0.12 R)
• M48: 26,972,047 km (0.081 R)
• M49: 27,520,623 km (0.032 R)
• M50: 27,678,149 km (0.097 R)
• M51: 27,914,813 km (0.035 R)
• M52: 28,549,258 km (0.097 R)
• M53: 28,868,350 km (0.095 R)
• M54: 28,948,235 km (0.106 R)
• M55: 29,188,639 km (0.111 R)
• M56: 30,562,546 km (0.031 R)
• M57: 32,621,162 km (0.06 R)
• M58: 35,663,085 km (0.111 R)
• M59: 35,748,805 km (0.084 R)
• M60: 38,354,052 km (0.092 R)
• M61: 39,679,489 km (0.053 R)
• M62: 40,213,852 km (0.077 R)
• M63: 41,019,886 km (0.108 R)
• M64: 41,289,611 km (0.051 R)
• M65: 43,195,039 km (0.033 R)
• M66: 44,112,373 km (0.058 R)
• M67: 44,296,678 km (0.117 R)
• M68: 44,943,389 km (0.082 R)
• M69: 46,808,725 km (0.098 R)
• M70: 48,319,065 km (0.119 R)
• M71: 48,699,193 km (0.092 R)
• M72: 51,678,285 km (0.106 R)
• M73: 52,554,181 km (0.111 R)
• M74: 53,140,754 km (0.095 R)
• M75: 53,533,149 km (0.108 R)
• M76: 55,211,189 km (0.096 R)
• M77: 55,409,705 km (0.036 R)
• M78: 55,509,038 km (0.118 R)
• M79: 56,806,201 km (0.111 R)
• M80: 58,012,259 km (0.104 R)
• M81: 60,041,255 km (0.106 R)
• M82: 60,654,457 km (0.088 R)
• M83: 61,269,753 km (0.057 R)
• M84: 62,403,106 km (0.106 R)
• M85: 62,817,043 km (0.102 R)
• M86: 65,949,922 km (0.086 R)
• M87: 66,265,873 km (0.081 R)
• M88: 67,005,335 km (0.084 R)
• M89: 67,111,250 km (0.117 R)
• M90: 68,066,433 km (0.067 R)
• M91: 68,599,151 km (0.101 R)
• M92: 69,133,215 km (0.072 R)
• M93: 70,097,822 km (0.104 R)
• M94: 71,715,574 km (0.079 R)
• M95: 72,257,567 km (0.066 R)

Kuiper Belt

Range: 31.4 - 54.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 15,657 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit