🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.97 AU - 1.41 AU

Year: 484 Days

Day: 45.2 Hours

Environment

Temp: -10 °C

Axial Tilt: 27.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.44 AU - 2.18 AU

Year: 908 Days

Day: 46.5 Hours

Environment

Temp: -54 °C

Axial Tilt: 82.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 47,682,808 km

• M1: 56,997 km (0.099 R)
• M2: 830,119 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.67 AU - 1.97 AU

Year: 915 Days

Day: 15.7 Hours

Environment

Temp: -74 °C

Axial Tilt: 50 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,682,808 km

• M1: 838,646 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.66 AU - 3.72 AU

Year: 2124 Days

Day: 35.9 Hours

Environment

Temp: -107 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,682,808 km

• M1: 1,088,474 km (0.118 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.67 AU - 3.93 AU

Year: 2235 Days

Day: 29.3 Hours

Environment

Temp: -109 °C

Axial Tilt: 52 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.44 AU - 4.5 AU

Year: 3523 Days

Day: 23 Hours

Environment

Temp: -137 °C

Axial Tilt: 23.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 47,682,808 km

• M1: 1,752,240 km (0.051 R)
• M2: 1,955,992 km (0.054 R)

Asteroid Belt

Center: 4.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.7

Radius: 10.9

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.74 AU - 5.46 AU

Year: 4293 Days

Day: 10.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 47,682,808 km

• M1: 220,208 km (0.118 R)
• M2: 311,762 km (0.093 R)
• M3: 512,074 km (0.11 R)
• M4: 730,187 km (0.101 R)
• M5: 889,659 km (0.071 R)
• M6: 1,030,281 km (0.101 R)
• M7: 1,124,677 km (0.091 R)
• M8: 1,581,100 km (0.092 R)
• M9: 1,679,087 km (0.042 R)
• M10: 1,933,253 km (0.03 R)
• M11: 2,091,827 km (0.075 R)
• M12: 2,798,677 km (0.065 R)
• M13: 3,446,137 km (0.062 R)
• M14: 4,020,443 km (0.113 R)
• M15: 4,155,978 km (0.077 R)
• M16: 4,624,519 km (0.084 R)
• M17: 4,982,656 km (0.116 R)
• M18: 5,974,640 km (0.075 R)
• M19: 6,188,116 km (0.11 R)
• M20: 6,305,700 km (0.116 R)
• M21: 6,924,736 km (0.117 R)
• M22: 7,521,482 km (0.089 R)
• M23: 7,626,051 km (0.103 R)
• M24: 7,815,442 km (0.066 R)
• M25: 7,921,357 km (0.108 R)
• M26: 8,177,618 km (0.115 R)
• M27: 8,545,180 km (0.111 R)
• M28: 9,274,320 km (0.1 R)
• M29: 9,862,838 km (0.106 R)
• M30: 10,254,186 km (0.116 R)
• M31: 11,821,523 km (0.092 R)
• M32: 11,967,680 km (0.099 R)
• M33: 13,083,082 km (0.082 R)
• M34: 13,922,027 km (0.082 R)
• M35: 14,257,275 km (0.05 R)
• M36: 14,465,067 km (0.089 R)
• M37: 14,752,145 km (0.031 R)
• M38: 15,598,420 km (0.067 R)
• M39: 15,812,345 km (0.052 R)
• M40: 16,297,491 km (0.108 R)
• M41: 16,650,841 km (0.086 R)
• M42: 17,726,300 km (0.08 R)
• M43: 18,258,271 km (0.095 R)
• M44: 18,625,384 km (0.078 R)
• M45: 19,137,607 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.9

Radius: 11.7

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 7.96 AU - 8.9 AU

Year: 9124 Days

Day: 7.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 47,682,808 km

• M1: 164,258 km (0.058 R)
• M2: 287,826 km (0.054 R)
• M3: 451,636 km (0.057 R)
• M4: 525,837 km (0.088 R)
• M5: 677,080 km (0.05 R)
• M6: 791,223 km (0.084 R)
• M7: 871,258 km (0.102 R)
• M8: 1,331,720 km (0.091 R)
• M9: 1,546,094 km (0.065 R)
• M10: 1,666,221 km (0.091 R)
• M11: 2,453,405 km (0.065 R)
• M12: 2,992,855 km (0.11 R)
• M13: 3,122,556 km (0.083 R)
• M14: 3,432,673 km (0.077 R)
• M15: 3,568,657 km (0.109 R)
• M16: 4,154,782 km (0.109 R)
• M17: 4,251,422 km (0.099 R)
• M18: 4,545,830 km (0.113 R)
• M19: 4,620,480 km (0.039 R)
• M20: 5,258,515 km (0.088 R)
• M21: 5,337,054 km (0.119 R)
• M22: 5,548,136 km (0.077 R)
• M23: 5,681,578 km (0.065 R)
• M24: 5,788,989 km (0.075 R)
• M25: 6,673,411 km (0.104 R)
• M26: 7,160,352 km (0.092 R)
• M27: 7,540,481 km (0.119 R)
• M28: 8,443,005 km (0.106 R)
• M29: 8,720,359 km (0.103 R)
• M30: 9,315,908 km (0.104 R)
• M31: 9,957,085 km (0.057 R)
• M32: 10,152,310 km (0.115 R)
• M33: 10,912,117 km (0.11 R)
• M34: 11,113,327 km (0.099 R)
• M35: 11,383,500 km (0.109 R)
• M36: 11,553,593 km (0.099 R)
• M37: 11,965,137 km (0.11 R)
• M38: 12,661,665 km (0.081 R)
• M39: 13,478,918 km (0.074 R)
• M40: 14,093,915 km (0.092 R)
• M41: 14,459,981 km (0.109 R)
• M42: 14,829,188 km (0.083 R)
• M43: 16,107,801 km (0.092 R)
• M44: 16,567,515 km (0.116 R)
• M45: 16,760,347 km (0.091 R)
• M46: 16,837,689 km (0.087 R)
• M47: 17,031,568 km (0.094 R)
• M48: 17,148,254 km (0.067 R)
• M49: 17,499,809 km (0.03 R)
• M50: 17,617,692 km (0.112 R)
• M51: 17,814,414 km (0.073 R)
• M52: 18,329,629 km (0.107 R)
• M53: 18,489,100 km (0.037 R)
• M54: 19,904,445 km (0.082 R)
• M55: 20,274,102 km (0.036 R)
• M56: 20,356,530 km (0.111 R)
• M57: 20,563,125 km (0.067 R)
• M58: 20,936,671 km (0.072 R)
• M59: 21,522,346 km (0.072 R)
• M60: 22,113,408 km (0.063 R)
• M61: 22,198,230 km (0.11 R)
• M62: 22,283,201 km (0.092 R)
• M63: 22,368,322 km (0.119 R)
• M64: 23,657,706 km (0.074 R)
• M65: 24,398,964 km (0.099 R)
• M66: 24,618,424 km (0.092 R)
• M67: 25,236,562 km (0.113 R)
• M68: 26,713,542 km (0.054 R)
• M69: 27,348,585 km (0.089 R)
• M70: 27,942,788 km (0.057 R)
• M71: 29,097,384 km (0.101 R)
• M72: 29,516,857 km (0.101 R)
• M73: 29,704,004 km (0.049 R)
• M74: 29,797,652 km (0.116 R)
• M75: 30,173,442 km (0.117 R)
• M76: 30,267,539 km (0.107 R)
• M77: 30,882,087 km (0.088 R)
• M78: 31,310,086 km (0.114 R)
• M79: 31,692,010 km (0.12 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.7

Radius: 11.4

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 9.52 AU - 11.96 AU

Year: 13121 Days

Day: 11.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 47,682,808 km

• M1: 182,360 km (0.095 R)
• M2: 266,284 km (0.096 R)
• M3: 341,083 km (0.026 R)
• M4: 536,458 km (0.057 R)
• M5: 984,803 km (0.081 R)
• M6: 1,060,200 km (0.1 R)
• M7: 1,217,577 km (0.118 R)
• M8: 1,600,248 km (0.104 R)
• M9: 1,690,456 km (0.098 R)
• M10: 2,142,840 km (0.103 R)
• M11: 2,318,917 km (0.06 R)
• M12: 2,605,546 km (0.109 R)
• M13: 2,848,643 km (0.085 R)
• M14: 3,299,231 km (0.111 R)
• M15: 3,742,191 km (0.088 R)
• M16: 4,298,695 km (0.057 R)
• M17: 4,490,030 km (0.089 R)
• M18: 4,586,820 km (0.104 R)
• M19: 5,626,974 km (0.068 R)
• M20: 6,120,049 km (0.113 R)
• M21: 7,072,688 km (0.087 R)
• M22: 7,759,043 km (0.058 R)
• M23: 8,387,055 km (0.049 R)
• M24: 8,586,768 km (0.073 R)
• M25: 9,195,183 km (0.095 R)
• M26: 9,566,933 km (0.032 R)
• M27: 10,367,880 km (0.102 R)
• M28: 10,841,507 km (0.066 R)
• M29: 11,366,147 km (0.096 R)
• M30: 11,676,114 km (0.079 R)
• M31: 11,854,434 km (0.083 R)
• M32: 12,485,887 km (0.08 R)
• M33: 13,546,985 km (0.107 R)
• M34: 13,875,502 km (0.071 R)
• M35: 14,973,999 km (0.101 R)
• M36: 15,509,110 km (0.041 R)
• M37: 15,607,097 km (0.107 R)
• M38: 16,748,828 km (0.111 R)
• M39: 17,355,148 km (0.105 R)
• M40: 18,071,572 km (0.117 R)
• M41: 18,433,450 km (0.095 R)
• M42: 18,641,241 km (0.105 R)
• M43: 18,797,720 km (0.11 R)
• M44: 19,533,293 km (0.051 R)
• M45: 19,904,745 km (0.079 R)
• M46: 20,224,884 km (0.1 R)
• M47: 20,654,529 km (0.095 R)
• M48: 21,413,439 km (0.115 R)
• M49: 21,686,755 km (0.119 R)
• M50: 22,181,624 km (0.117 R)
• M51: 22,513,582 km (0.105 R)
• M52: 22,847,185 km (0.041 R)
• M53: 23,238,533 km (0.08 R)
• M54: 23,688,524 km (0.097 R)
• M55: 24,311,898 km (0.078 R)
• M56: 24,425,742 km (0.111 R)
• M57: 24,711,324 km (0.116 R)
• M58: 25,285,780 km (0.093 R)
• M59: 25,574,654 km (0.031 R)
• M60: 26,331,020 km (0.063 R)
• M61: 27,035,626 km (0.047 R)
• M62: 27,984,825 km (0.074 R)
• M63: 28,583,516 km (0.117 R)
• M64: 29,186,545 km (0.092 R)
• M65: 29,307,569 km (0.063 R)
• M66: 29,489,630 km (0.11 R)
• M67: 29,854,649 km (0.089 R)
• M68: 30,037,756 km (0.1 R)
• M69: 30,221,163 km (0.069 R)
• M70: 31,578,016 km (0.076 R)
• M71: 33,333,547 km (0.08 R)
• M72: 33,586,966 km (0.114 R)
• M73: 34,031,870 km (0.102 R)
• M74: 35,056,167 km (0.11 R)
• M75: 35,184,970 km (0.098 R)
• M76: 37,595,291 km (0.081 R)
• M77: 39,187,013 km (0.045 R)
• M78: 39,789,593 km (0.117 R)
• M79: 40,665,339 km (0.115 R)
• M80: 42,161,916 km (0.096 R)
• M81: 43,054,716 km (0.039 R)
• M82: 43,261,759 km (0.091 R)
• M83: 43,953,799 km (0.099 R)
• M84: 45,138,764 km (0.103 R)
• M85: 45,700,055 km (0.076 R)
• M86: 46,971,487 km (0.097 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 16,090 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit