🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.55 AU - 0.61 AU

Year: 167 Days

Day: 32.3 Hours

Environment

Temp: 121 °C

Axial Tilt: 24 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.76 AU - 1.24 AU

Year: 379 Days

Day: 39.4 Hours

Environment

Temp: 8 °C

Axial Tilt: 20.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 59,281,602 km

• M1: 311,463 km (0.054 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.94 AU - 1.12 AU

Year: 396 Days

Day: 21.1 Hours

Environment

Temp: 1 °C

Axial Tilt: 5.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.04 AU - 1.08 AU

Year: 413 Days

Day: 12.6 Hours

Environment

Temp: 12 °C

Axial Tilt: 9.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.41 AU - 1.67 AU

Year: 724 Days

Day: 41.8 Hours

Environment

Temp: -56 °C

Axial Tilt: 8.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,281,602 km

• M1: 604,675 km (0.115 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.49 AU - 1.75 AU

Year: 781 Days

Day: 43.3 Hours

Environment

Temp: -58 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,281,602 km

• M1: 113,246 km (0.064 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.08 AU - 3.14 AU

Year: 1597 Days

Day: 29.9 Hours

Environment

Temp: -97 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 59,281,602 km

• M1: 878,588 km (0.059 R)
• M2: 1,846,636 km (0.053 R)

Asteroid Belt

Center: 3.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.4

Radius: 13.3

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.18 AU - 5.88 AU

Year: 4273 Days

Day: 13 Hours

Environment

Temp: -146 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 59,281,602 km

• M1: 201,658 km (0.096 R)
• M2: 298,897 km (0.109 R)
• M3: 406,607 km (0.069 R)
• M4: 570,716 km (0.115 R)
• M5: 1,009,337 km (0.041 R)
• M6: 1,143,975 km (0.105 R)
• M7: 1,246,150 km (0.112 R)
• M8: 1,338,153 km (0.103 R)
• M9: 1,460,075 km (0.073 R)
• M10: 1,715,738 km (0.102 R)
• M11: 1,849,329 km (0.095 R)
• M12: 2,111,275 km (0.117 R)
• M13: 2,271,045 km (0.09 R)
• M14: 2,951,117 km (0.073 R)
• M15: 3,094,582 km (0.112 R)
• M16: 3,222,189 km (0.084 R)
• M17: 3,332,741 km (0.036 R)
• M18: 3,463,640 km (0.081 R)
• M19: 3,866,357 km (0.053 R)
• M20: 4,123,366 km (0.102 R)
• M21: 4,325,024 km (0.078 R)
• M22: 4,447,545 km (0.077 R)
• M23: 5,034,866 km (0.05 R)
• M24: 5,228,894 km (0.12 R)
• M25: 5,916,297 km (0.097 R)
• M26: 6,007,102 km (0.109 R)
• M27: 6,213,099 km (0.101 R)
• M28: 6,632,272 km (0.044 R)
• M29: 6,892,871 km (0.11 R)
• M30: 7,547,213 km (0.12 R)
• M31: 7,744,981 km (0.093 R)
• M32: 7,869,446 km (0.095 R)
• M33: 7,994,510 km (0.093 R)
• M34: 8,424,903 km (0.071 R)
• M35: 8,630,152 km (0.117 R)
• M36: 9,071,764 km (0.11 R)
• M37: 9,815,266 km (0.085 R)
• M38: 10,221,574 km (0.09 R)
• M39: 10,385,683 km (0.036 R)
• M40: 10,716,593 km (0.098 R)
• M41: 11,050,944 km (0.097 R)
• M42: 11,672,823 km (0.088 R)
• M43: 12,364,264 km (0.118 R)
• M44: 12,627,107 km (0.1 R)
• M45: 12,715,071 km (0.049 R)
• M46: 13,009,928 km (0.031 R)
• M47: 13,576,306 km (0.045 R)
• M48: 13,938,183 km (0.105 R)
• M49: 14,029,139 km (0.102 R)
• M50: 14,395,055 km (0.103 R)
• M51: 14,980,880 km (0.059 R)
• M52: 15,229,811 km (0.1 R)
• M53: 15,574,485 km (0.082 R)
• M54: 15,763,576 km (0.12 R)
• M55: 15,921,701 km (0.091 R)
• M56: 16,463,246 km (0.091 R)
• M57: 17,270,775 km (0.104 R)
• M58: 17,794,517 km (0.079 R)
• M59: 18,256,924 km (0.091 R)
• M60: 18,356,556 km (0.081 R)
• M61: 18,589,630 km (0.081 R)
• M62: 18,958,089 km (0.086 R)
• M63: 19,193,706 km (0.109 R)
• M64: 19,396,561 km (0.092 R)
• M65: 20,662,757 km (0.031 R)
• M66: 21,148,801 km (0.036 R)
• M67: 21,253,519 km (0.074 R)
• M68: 21,568,423 km (0.101 R)
• M69: 21,744,200 km (0.114 R)
• M70: 21,884,972 km (0.098 R)
• M71: 22,274,076 km (0.11 R)
• M72: 23,454,702 km (0.102 R)
• M73: 23,889,134 km (0.091 R)
• M74: 24,435,915 km (0.028 R)
• M75: 24,582,371 km (0.114 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.3

Radius: 13.2

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 5.04 AU - 6.36 AU

Year: 5154 Days

Day: 11.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 59,281,602 km

• M1: 291,716 km (0.099 R)
• M2: 491,728 km (0.106 R)
• M3: 1,137,542 km (0.115 R)
• M4: 1,249,591 km (0.105 R)
• M5: 1,399,338 km (0.063 R)
• M6: 1,662,780 km (0.116 R)
• M7: 1,810,134 km (0.071 R)
• M8: 2,000,722 km (0.119 R)
• M9: 2,719,988 km (0.073 R)
• M10: 2,873,177 km (0.114 R)
• M11: 2,961,888 km (0.025 R)
• M12: 3,096,975 km (0.074 R)
• M13: 3,188,080 km (0.083 R)
• M14: 3,420,107 km (0.118 R)
• M15: 3,730,073 km (0.039 R)
• M16: 3,851,696 km (0.065 R)
• M17: 4,099,131 km (0.068 R)
• M18: 4,275,507 km (0.101 R)
• M19: 4,377,383 km (0.085 R)
• M20: 4,480,157 km (0.093 R)
• M21: 4,766,936 km (0.11 R)
• M22: 6,406,230 km (0.049 R)
• M23: 7,119,213 km (0.083 R)
• M24: 7,210,169 km (0.109 R)
• M25: 8,014,407 km (0.047 R)
• M26: 8,749,531 km (0.096 R)
• M27: 9,010,280 km (0.089 R)
• M28: 9,174,688 km (0.093 R)
• M29: 9,339,993 km (0.104 R)
• M30: 9,506,346 km (0.053 R)
• M31: 10,872,175 km (0.058 R)
• M32: 10,977,193 km (0.085 R)
• M33: 11,293,891 km (0.053 R)
• M34: 11,506,769 km (0.099 R)
• M35: 11,685,239 km (0.101 R)
• M36: 12,298,890 km (0.119 R)
• M37: 12,701,458 km (0.083 R)
• M38: 12,959,963 km (0.054 R)
• M39: 13,745,950 km (0.12 R)
• M40: 14,011,337 km (0.084 R)
• M41: 14,240,221 km (0.1 R)
• M42: 14,547,346 km (0.116 R)
• M43: 14,817,968 km (0.114 R)
• M44: 15,246,417 km (0.119 R)
• M45: 17,041,591 km (0.069 R)
• M46: 18,609,078 km (0.084 R)
• M47: 18,818,664 km (0.108 R)
• M48: 19,240,530 km (0.071 R)
• M49: 19,580,117 km (0.069 R)
• M50: 19,878,864 km (0.076 R)
• M51: 19,964,584 km (0.115 R)
• M52: 20,265,276 km (0.097 R)
• M53: 20,437,911 km (0.059 R)
• M54: 20,697,613 km (0.104 R)
• M55: 20,827,913 km (0.036 R)
• M56: 21,176,626 km (0.108 R)
• M57: 22,234,432 km (0.053 R)
• M58: 24,585,064 km (0.102 R)
• M59: 25,463,502 km (0.09 R)
• M60: 26,164,219 km (0.087 R)
• M61: 26,446,360 km (0.108 R)
• M62: 26,824,095 km (0.062 R)
• M63: 27,251,197 km (0.064 R)
• M64: 27,394,063 km (0.107 R)
• M65: 27,728,265 km (0.107 R)
• M66: 27,872,028 km (0.107 R)
• M67: 28,063,962 km (0.088 R)
• M68: 28,256,345 km (0.096 R)
• M69: 28,545,817 km (0.028 R)
• M70: 28,787,717 km (0.092 R)
• M71: 31,194,896 km (0.055 R)
• M72: 31,394,160 km (0.109 R)
• M73: 31,494,092 km (0.08 R)
• M74: 31,643,989 km (0.079 R)
• M75: 31,844,300 km (0.115 R)
• M76: 32,246,120 km (0.07 R)
• M77: 32,750,863 km (0.11 R)
• M78: 32,953,419 km (0.08 R)
• M79: 33,054,846 km (0.073 R)
• M80: 33,461,753 km (0.066 R)
• M81: 33,767,979 km (0.055 R)
• M82: 33,972,779 km (0.075 R)

Planet 10 - Gas Giant

Semi-Major Axis: 10.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.4

Radius: 12.6

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 8.64 AU - 13.12 AU

Year: 13592 Days

Day: 8.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 59,281,602 km

• M1: 166,353 km (0.112 R)
• M2: 759,209 km (0.032 R)
• M3: 961,316 km (0.076 R)
• M4: 1,726,509 km (0.106 R)
• M5: 2,111,125 km (0.074 R)
• M6: 2,197,144 km (0.055 R)
• M7: 2,284,359 km (0.105 R)
• M8: 2,645,190 km (0.06 R)
• M9: 2,928,079 km (0.083 R)
• M10: 3,220,693 km (0.091 R)
• M11: 3,523,030 km (0.116 R)
• M12: 3,764,780 km (0.116 R)
• M13: 3,940,707 km (0.117 R)
• M14: 4,374,242 km (0.088 R)
• M15: 4,709,640 km (0.114 R)
• M16: 5,405,420 km (0.042 R)
• M17: 5,564,442 km (0.117 R)
• M18: 5,684,719 km (0.058 R)
• M19: 5,927,965 km (0.12 R)
• M20: 6,092,074 km (0.083 R)
• M21: 6,257,679 km (0.101 R)
• M22: 6,382,892 km (0.07 R)
• M23: 7,151,825 km (0.084 R)
• M24: 7,725,384 km (0.085 R)
• M25: 8,543,983 km (0.095 R)
• M26: 9,533,872 km (0.048 R)
• M27: 9,871,963 km (0.115 R)
• M28: 10,659,447 km (0.059 R)
• M29: 11,010,254 km (0.076 R)
• M30: 11,981,892 km (0.114 R)
• M31: 13,517,514 km (0.114 R)
• M32: 13,897,343 km (0.086 R)
• M33: 14,061,302 km (0.074 R)
• M34: 14,391,016 km (0.086 R)
• M35: 15,452,114 km (0.111 R)
• M36: 16,020,586 km (0.036 R)
• M37: 16,886,308 km (0.107 R)
• M38: 17,354,251 km (0.104 R)
• M39: 17,885,772 km (0.116 R)
• M40: 18,602,944 km (0.092 R)
• M41: 18,844,096 km (0.074 R)
• M42: 19,146,882 km (0.109 R)
• M43: 20,003,479 km (0.051 R)
• M44: 20,188,681 km (0.053 R)
• M45: 20,623,114 km (0.068 R)
• M46: 20,810,111 km (0.082 R)
• M47: 21,123,219 km (0.063 R)
• M48: 21,500,954 km (0.106 R)
• M49: 22,969,855 km (0.066 R)
• M50: 24,141,805 km (0.119 R)
• M51: 25,734,574 km (0.114 R)
• M52: 30,357,746 km (0.072 R)
• M53: 30,641,683 km (0.077 R)
• M54: 31,284,056 km (0.117 R)
• M55: 31,786,705 km (0.111 R)
• M56: 32,147,236 km (0.102 R)
• M57: 34,191,940 km (0.101 R)
• M58: 36,052,937 km (0.04 R)
• M59: 37,793,957 km (0.052 R)
• M60: 40,495,545 km (0.083 R)
• M61: 41,278,690 km (0.11 R)
• M62: 42,860,239 km (0.119 R)
• M63: 43,498,423 km (0.119 R)
• M64: 43,738,528 km (0.096 R)
• M65: 44,059,415 km (0.114 R)
• M66: 44,220,083 km (0.115 R)
• M67: 44,784,217 km (0.114 R)
• M68: 45,107,498 km (0.048 R)
• M69: 45,350,595 km (0.076 R)
• M70: 45,756,603 km (0.063 R)
• M71: 45,837,984 km (0.068 R)
• M72: 47,640,040 km (0.08 R)
• M73: 50,470,282 km (0.028 R)
• M74: 50,722,654 km (0.061 R)
• M75: 51,312,967 km (0.088 R)
• M76: 51,820,852 km (0.117 R)
• M77: 53,611,688 km (0.069 R)
• M78: 53,697,408 km (0.085 R)
• M79: 53,955,015 km (0.097 R)
• M80: 54,816,699 km (0.048 R)
• M81: 54,903,167 km (0.035 R)
• M82: 55,596,104 km (0.103 R)
• M83: 56,728,410 km (0.107 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 16,702 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit