🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.58 AU - 0.94 AU

Year: 238 Days

Day: 36.5 Hours

Environment

Temp: 155 °C

Axial Tilt: 9.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 66,074,576 km

• M1: 360,082 km (0.101 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.01 AU - 1.09 AU

Year: 387 Days

Day: 27.4 Hours

Environment

Temp: 37 °C

Axial Tilt: 46.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.91 AU - 1.25 AU

Year: 404 Days

Day: 39 Hours

Environment

Temp: 34 °C

Axial Tilt: 27 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 66,074,576 km

• M1: 721,959 km (0.087 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.29 AU - 1.63 AU

Year: 635 Days

Day: 30.7 Hours

Environment

Temp: -21 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.04 AU - 2.6 AU

Year: 1272 Days

Day: 16.4 Hours

Environment

Temp: -74 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,074,576 km

• M1: 581,337 km (0.069 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.94 AU - 3.84 AU

Year: 2246 Days

Day: 21.3 Hours

Environment

Temp: -101 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.39 AU - 3.45 AU

Year: 2276 Days

Day: 18.8 Hours

Environment

Temp: -116 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,074,576 km

• M1: 1,585,887 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.4

Radius: 13.4

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 6.34 AU - 9.86 AU

Year: 8297 Days

Day: 12.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 66,074,576 km

• M1: 170,242 km (0.091 R)
• M2: 264,190 km (0.115 R)
• M3: 526,734 km (0.053 R)
• M4: 1,462,768 km (0.12 R)
• M5: 1,803,402 km (0.088 R)
• M6: 1,929,813 km (0.067 R)
• M7: 2,147,477 km (0.114 R)
• M8: 2,350,332 km (0.072 R)
• M9: 2,512,496 km (0.037 R)
• M10: 2,607,042 km (0.118 R)
• M11: 2,702,785 km (0.056 R)
• M12: 3,353,835 km (0.062 R)
• M13: 3,458,254 km (0.114 R)
• M14: 3,724,389 km (0.041 R)
• M15: 4,220,455 km (0.097 R)
• M16: 4,678,973 km (0.114 R)
• M17: 4,855,199 km (0.097 R)
• M18: 5,184,015 km (0.048 R)
• M19: 5,366,375 km (0.115 R)
• M20: 5,458,527 km (0.057 R)
• M21: 5,644,178 km (0.059 R)
• M22: 6,278,174 km (0.103 R)
• M23: 6,901,698 km (0.091 R)
• M24: 7,476,303 km (0.104 R)
• M25: 8,242,992 km (0.045 R)
• M26: 8,492,222 km (0.104 R)
• M27: 8,707,793 km (0.119 R)
• M28: 9,034,664 km (0.111 R)
• M29: 9,254,872 km (0.081 R)
• M30: 9,439,626 km (0.097 R)
• M31: 10,153,357 km (0.074 R)
• M32: 10,729,010 km (0.101 R)
• M33: 11,001,278 km (0.092 R)
• M34: 11,236,595 km (0.11 R)
• M35: 11,552,845 km (0.079 R)
• M36: 11,712,017 km (0.099 R)
• M37: 11,912,179 km (0.102 R)
• M38: 12,315,794 km (0.084 R)
• M39: 12,765,037 km (0.082 R)
• M40: 13,012,322 km (0.065 R)
• M41: 15,090,685 km (0.08 R)
• M42: 16,012,806 km (0.114 R)
• M43: 17,179,670 km (0.094 R)
• M44: 17,681,571 km (0.063 R)
• M45: 17,819,350 km (0.111 R)
• M46: 19,642,200 km (0.087 R)
• M47: 20,793,206 km (0.082 R)
• M48: 21,181,712 km (0.115 R)
• M49: 21,916,836 km (0.05 R)
• M50: 22,361,890 km (0.108 R)
• M51: 22,759,970 km (0.115 R)
• M52: 23,160,443 km (0.064 R)
• M53: 23,260,973 km (0.088 R)
• M54: 23,613,725 km (0.067 R)
• M55: 23,866,844 km (0.108 R)
• M56: 24,019,135 km (0.077 R)
• M57: 24,529,264 km (0.069 R)
• M58: 25,145,906 km (0.077 R)
• M59: 25,249,278 km (0.111 R)
• M60: 26,132,953 km (0.089 R)
• M61: 26,237,522 km (0.08 R)
• M62: 26,342,390 km (0.076 R)
• M63: 27,717,045 km (0.05 R)
• M64: 28,198,301 km (0.069 R)
• M65: 28,520,834 km (0.063 R)
• M66: 29,006,728 km (0.116 R)
• M67: 29,713,428 km (0.096 R)
• M68: 30,041,496 km (0.086 R)
• M69: 30,315,859 km (0.092 R)
• M70: 30,866,977 km (0.042 R)
• M71: 31,310,386 km (0.066 R)
• M72: 32,203,335 km (0.107 R)
• M73: 33,558,393 km (0.076 R)
• M74: 33,786,081 km (0.092 R)
• M75: 34,128,510 km (0.06 R)
• M76: 34,357,545 km (0.098 R)
• M77: 34,989,745 km (0.067 R)
• M78: 37,321,228 km (0.106 R)
• M79: 39,042,800 km (0.117 R)
• M80: 39,943,379 km (0.108 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.7

Radius: 9.6

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 11.61 AU - 12.83 AU

Year: 15374 Days

Day: 8.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 66,074,576 km

• M1: 530,923 km (0.067 R)
• M2: 656,286 km (0.066 R)
• M3: 770,878 km (0.088 R)
• M4: 1,008,888 km (0.08 R)
• M5: 1,155,494 km (0.101 R)
• M6: 1,231,639 km (0.105 R)
• M7: 2,601,507 km (0.114 R)
• M8: 3,193,017 km (0.027 R)
• M9: 3,411,729 km (0.104 R)
• M10: 4,116,485 km (0.12 R)
• M11: 4,354,794 km (0.11 R)
• M12: 4,782,494 km (0.094 R)
• M13: 5,612,463 km (0.063 R)
• M14: 5,766,100 km (0.105 R)
• M15: 6,032,833 km (0.074 R)
• M16: 6,509,452 km (0.1 R)
• M17: 6,671,018 km (0.084 R)
• M18: 7,547,063 km (0.063 R)
• M19: 7,912,531 km (0.086 R)
• M20: 9,043,341 km (0.056 R)
• M21: 9,327,427 km (0.12 R)
• M22: 9,588,176 km (0.09 R)
• M23: 9,930,905 km (0.027 R)
• M24: 12,785,382 km (0.117 R)
• M25: 14,981,030 km (0.094 R)
• M26: 15,966,132 km (0.048 R)
• M27: 16,121,863 km (0.112 R)
• M28: 16,340,875 km (0.087 R)
• M29: 16,908,599 km (0.085 R)
• M30: 17,067,471 km (0.106 R)
• M31: 17,258,658 km (0.107 R)
• M32: 18,748,503 km (0.028 R)
• M33: 19,809,152 km (0.114 R)
• M34: 20,583,470 km (0.119 R)
• M35: 20,753,114 km (0.056 R)
• M36: 21,815,109 km (0.11 R)
• M37: 22,126,871 km (0.086 R)
• M38: 22,544,698 km (0.046 R)
• M39: 22,649,566 km (0.055 R)
• M40: 23,035,529 km (0.099 R)
• M41: 23,423,586 km (0.107 R)
• M42: 23,707,223 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.9

Radius: 3.2

Gravity: 60.73 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 10.42 AU - 15.7 AU

Year: 16986 Days

Day: 23.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 66,074,576 km

• M1: 56,548 km (0.114 R)
• M2: 149,149 km (0.106 R)
• M3: 240,703 km (0.065 R)
• M4: 365,916 km (0.073 R)
• M5: 490,831 km (0.049 R)
• M6: 548,426 km (0.093 R)
• M7: 845,527 km (0.114 R)
• M8: 891,603 km (0.073 R)
• M9: 1,059,303 km (0.104 R)
• M10: 1,134,101 km (0.072 R)
• M11: 1,562,101 km (0.073 R)
• M12: 1,763,609 km (0.095 R)
• M13: 3,278,886 km (0.12 R)
• M14: 3,573,295 km (0.111 R)
• M15: 3,799,636 km (0.109 R)
• M16: 4,750,331 km (0.084 R)
• M17: 4,957,225 km (0.11 R)
• M18: 5,082,737 km (0.068 R)
• M19: 5,166,961 km (0.078 R)
• M20: 6,124,238 km (0.042 R)
• M21: 6,622,847 km (0.068 R)
• M22: 6,900,351 km (0.102 R)
• M23: 7,323,713 km (0.083 R)
• M24: 7,852,392 km (0.114 R)
• M25: 8,047,767 km (0.058 R)
• M26: 8,244,638 km (0.095 R)
• M27: 8,393,338 km (0.1 R)
• M28: 9,048,128 km (0.106 R)
• M29: 9,928,661 km (0.058 R)
• M30: 12,786,280 km (0.094 R)
• M31: 13,016,062 km (0.03 R)
• M32: 13,073,657 km (0.051 R)
• M33: 13,247,041 km (0.097 R)
• M34: 13,771,830 km (0.086 R)
• M35: 13,948,206 km (0.115 R)
• M36: 14,066,239 km (0.11 R)
• M37: 14,661,339 km (0.086 R)
• M38: 15,082,906 km (0.118 R)
• M39: 15,447,327 km (0.094 R)
• M40: 16,870,900 km (0.054 R)
• M41: 17,439,222 km (0.119 R)
• M42: 17,566,380 km (0.111 R)
• M43: 18,465,164 km (0.095 R)
• M44: 18,659,642 km (0.112 R)
• M45: 20,373,734 km (0.101 R)
• M46: 20,440,604 km (0.106 R)
• M47: 20,641,813 km (0.095 R)
• M48: 22,412,903 km (0.1 R)
• M49: 22,551,131 km (0.117 R)
• M50: 23,246,612 km (0.102 R)
• M51: 23,737,741 km (0.118 R)
• M52: 23,808,052 km (0.093 R)
• M53: 25,952,987 km (0.079 R)
• M54: 26,389,214 km (0.07 R)
• M55: 26,681,528 km (0.112 R)
• M56: 26,754,682 km (0.101 R)
• M57: 27,416,802 km (0.069 R)
• M58: 27,712,706 km (0.104 R)
• M59: 28,382,456 km (0.066 R)
• M60: 29,132,989 km (0.089 R)
• M61: 30,576,608 km (0.099 R)
• M62: 30,653,352 km (0.081 R)
• M63: 30,729,946 km (0.065 R)
• M64: 31,500,375 km (0.111 R)
• M65: 32,043,565 km (0.054 R)
• M66: 36,823,516 km (0.054 R)
• M67: 37,395,429 km (0.083 R)
• M68: 37,970,333 km (0.111 R)
• M69: 38,962,765 km (0.03 R)
• M70: 40,719,792 km (0.113 R)
• M71: 41,820,384 km (0.1 R)
• M72: 42,416,980 km (0.053 R)
• M73: 43,360,195 km (0.114 R)
• M74: 44,918,705 km (0.084 R)
• M75: 45,005,771 km (0.11 R)
• M76: 46,407,204 km (0.113 R)
• M77: 48,001,020 km (0.088 R)
• M78: 50,153,584 km (0.117 R)
• M79: 50,244,090 km (0.087 R)
• M80: 50,334,448 km (0.092 R)
• M81: 50,606,117 km (0.107 R)
• M82: 50,878,236 km (0.115 R)
• M83: 51,059,848 km (0.11 R)
• M84: 51,150,803 km (0.116 R)
• M85: 52,062,901 km (0.067 R)
• M86: 54,552,360 km (0.042 R)
• M87: 55,204,157 km (0.084 R)
• M88: 57,458,149 km (0.107 R)
• M89: 57,552,694 km (0.12 R)
• M90: 58,026,321 km (0.076 R)
• M91: 58,691,433 km (0.112 R)
• M92: 59,168,202 km (0.068 R)
• M93: 59,550,574 km (0.07 R)
• M94: 60,605,987 km (0.074 R)
• M95: 62,735,662 km (0.093 R)
• M96: 64,397,844 km (0.101 R)

Kuiper Belt

Range: 30.5 - 51.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 12,438 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit