🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.55 AU - 0.57 AU

Year: 156 Days

Day: 28.6 Hours

Environment

Temp: 230 °C

Axial Tilt: 28.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 27,053,889 km

• M1: 347,965 km (0.076 R)
• M2: 441,015 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.77 AU - 0.85 AU

Year: 272 Days

Day: 36.6 Hours

Environment

Temp: 79 °C

Axial Tilt: 36.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.22 AU - 1.38 AU

Year: 553 Days

Day: 37 Hours

Environment

Temp: -25 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.4 AU - 1.9 AU

Year: 790 Days

Day: 47.3 Hours

Environment

Temp: -57 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,053,889 km

• M1: 181,313 km (0.116 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.47 AU - 1.83 AU

Year: 790 Days

Day: 27.4 Hours

Environment

Temp: -62 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.3 AU - 2.44 AU

Year: 1360 Days

Day: 44.1 Hours

Environment

Temp: -97 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.18 AU - 4.66 AU

Year: 2893 Days

Day: 18.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,053,889 km

• M1: 1,970,354 km (0.067 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.7

Radius: 10.8

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.13 AU - 7.25 AU

Year: 6451 Days

Day: 8.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 27,053,889 km

• M1: 135,236 km (0.112 R)
• M2: 348,563 km (0.113 R)
• M3: 477,217 km (0.08 R)
• M4: 624,721 km (0.112 R)
• M5: 752,328 km (0.112 R)
• M6: 838,496 km (0.114 R)
• M7: 967,898 km (0.119 R)
• M8: 1,090,419 km (0.09 R)
• M9: 1,189,453 km (0.098 R)
• M10: 1,427,912 km (0.096 R)
• M11: 1,617,003 km (0.104 R)
• M12: 1,985,313 km (0.045 R)
• M13: 2,287,950 km (0.113 R)
• M14: 2,473,002 km (0.117 R)
• M15: 2,877,964 km (0.115 R)
• M16: 3,057,930 km (0.055 R)
• M17: 3,429,082 km (0.077 R)
• M18: 3,534,848 km (0.042 R)
• M19: 3,880,419 km (0.061 R)
• M20: 4,079,684 km (0.085 R)
• M21: 4,511,573 km (0.061 R)
• M22: 5,320,747 km (0.116 R)
• M23: 6,643,492 km (0.032 R)
• M24: 6,882,400 km (0.098 R)
• M25: 7,016,439 km (0.095 R)
• M26: 8,403,361 km (0.081 R)
• M27: 8,633,144 km (0.055 R)
• M28: 8,864,871 km (0.117 R)
• M29: 9,186,955 km (0.104 R)
• M30: 9,364,228 km (0.062 R)
• M31: 9,572,618 km (0.091 R)
• M32: 9,782,354 km (0.078 R)
• M33: 9,872,861 km (0.06 R)
• M34: 10,206,614 km (0.109 R)
• M35: 10,451,805 km (0.093 R)
• M36: 10,606,040 km (0.093 R)
• M37: 11,293,592 km (0.111 R)
• M38: 11,770,660 km (0.04 R)
• M39: 11,866,851 km (0.049 R)
• M40: 12,092,445 km (0.096 R)
• M41: 12,286,922 km (0.109 R)
• M42: 12,417,072 km (0.083 R)
• M43: 12,547,821 km (0.069 R)
• M44: 12,843,426 km (0.12 R)
• M45: 12,975,521 km (0.047 R)
• M46: 14,493,341 km (0.112 R)
• M47: 15,889,089 km (0.119 R)
• M48: 16,280,437 km (0.07 R)
• M49: 16,674,927 km (0.114 R)
• M50: 18,470,400 km (0.119 R)
• M51: 18,619,699 km (0.098 R)
• M52: 18,769,446 km (0.094 R)
• M53: 19,258,631 km (0.104 R)
• M54: 19,372,176 km (0.093 R)
• M55: 19,637,862 km (0.074 R)
• M56: 19,828,450 km (0.109 R)
• M57: 19,981,189 km (0.109 R)
• M58: 20,596,635 km (0.072 R)
• M59: 20,673,977 km (0.117 R)
• M60: 21,023,288 km (0.082 R)
• M61: 21,296,304 km (0.056 R)
• M62: 21,374,544 km (0.119 R)
• M63: 21,609,861 km (0.067 R)
• M64: 22,043,396 km (0.067 R)
• M65: 24,499,643 km (0.087 R)
• M66: 25,034,156 km (0.096 R)
• M67: 25,406,506 km (0.104 R)
• M68: 25,489,532 km (0.071 R)
• M69: 25,864,125 km (0.058 R)
• M70: 26,282,551 km (0.097 R)
• M71: 26,703,070 km (0.082 R)
• M72: 26,998,825 km (0.046 R)
• M73: 27,380,749 km (0.077 R)
• M74: 28,364,654 km (0.048 R)
• M75: 28,752,860 km (0.086 R)
• M76: 29,012,712 km (0.077 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.1

Radius: 12.7

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 8.43 AU - 12.81 AU

Year: 12902 Days

Day: 13 Hours

Environment

Temp: -191 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 27,053,889 km

• M1: 245,341 km (0.066 R)
• M2: 817,104 km (0.117 R)
• M3: 960,269 km (0.119 R)
• M4: 1,467,106 km (0.076 R)
• M5: 1,749,846 km (0.099 R)
• M6: 1,857,108 km (0.118 R)
• M7: 1,939,088 km (0.101 R)
• M8: 2,163,933 km (0.115 R)
• M9: 2,547,801 km (0.1 R)
• M10: 2,889,782 km (0.112 R)
• M11: 3,379,715 km (0.117 R)
• M12: 3,651,983 km (0.104 R)
• M13: 4,038,095 km (0.111 R)
• M14: 4,400,571 km (0.065 R)
• M15: 4,773,668 km (0.081 R)
• M16: 4,887,662 km (0.117 R)
• M17: 5,352,612 km (0.099 R)
• M18: 6,325,148 km (0.111 R)
• M19: 6,661,444 km (0.117 R)
• M20: 7,750,217 km (0.042 R)
• M21: 8,753,570 km (0.077 R)
• M22: 10,089,329 km (0.089 R)
• M23: 10,334,520 km (0.065 R)
• M24: 10,730,954 km (0.119 R)
• M25: 10,830,886 km (0.089 R)
• M26: 10,931,116 km (0.093 R)
• M27: 11,335,031 km (0.098 R)
• M28: 11,436,907 km (0.082 R)
• M29: 11,795,493 km (0.077 R)
• M30: 12,576,394 km (0.085 R)
• M31: 13,697,630 km (0.092 R)
• M32: 13,914,846 km (0.097 R)
• M33: 14,628,577 km (0.082 R)
• M34: 15,298,177 km (0.111 R)
• M35: 15,410,675 km (0.079 R)
• M36: 16,263,832 km (0.055 R)
• M37: 16,436,168 km (0.041 R)
• M38: 17,249,083 km (0.096 R)
• M39: 17,719,419 km (0.084 R)
• M40: 18,075,013 km (0.116 R)
• M41: 18,793,233 km (0.067 R)
• M42: 19,338,068 km (0.081 R)
• M43: 20,011,109 km (0.119 R)
• M44: 20,816,245 km (0.101 R)
• M45: 21,695,282 km (0.101 R)
• M46: 22,266,745 km (0.112 R)
• M47: 24,866,158 km (0.116 R)
• M48: 24,998,702 km (0.087 R)
• M49: 26,134,299 km (0.062 R)
• M50: 26,539,111 km (0.112 R)
• M51: 27,014,084 km (0.05 R)
• M52: 27,560,266 km (0.04 R)
• M53: 28,317,231 km (0.066 R)
• M54: 29,500,551 km (0.11 R)
• M55: 30,345,629 km (0.12 R)
• M56: 32,059,572 km (0.087 R)
• M57: 32,203,784 km (0.092 R)
• M58: 33,219,554 km (0.118 R)
• M59: 33,658,025 km (0.11 R)
• M60: 34,172,193 km (0.119 R)
• M61: 35,282,508 km (0.045 R)
• M62: 35,655,157 km (0.054 R)
• M63: 37,310,756 km (0.077 R)
• M64: 40,384,544 km (0.102 R)
• M65: 40,930,725 km (0.031 R)
• M66: 41,557,989 km (0.099 R)
• M67: 42,109,407 km (0.036 R)
• M68: 42,742,655 km (0.112 R)
• M69: 43,778,321 km (0.115 R)
• M70: 43,938,540 km (0.086 R)
• M71: 44,419,797 km (0.113 R)
• M72: 46,526,135 km (0.06 R)
• M73: 47,098,646 km (0.095 R)
• M74: 47,591,421 km (0.107 R)
• M75: 47,755,979 km (0.045 R)
• M76: 48,003,264 km (0.085 R)
• M77: 50,667,153 km (0.109 R)
• M78: 50,751,078 km (0.054 R)
• M79: 51,087,673 km (0.057 R)
• M80: 51,424,866 km (0.093 R)
• M81: 52,951,812 km (0.098 R)
• M82: 54,149,792 km (0.108 R)
• M83: 55,529,682 km (0.106 R)
• M84: 56,137,050 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37

Radius: 5.7

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 12.71 AU - 14.05 AU

Year: 18245 Days

Day: 15.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 27,053,889 km

• M1: 184,005 km (0.045 R)
• M2: 636,240 km (0.106 R)
• M3: 1,234,930 km (0.037 R)
• M4: 1,499,569 km (0.078 R)
• M5: 1,545,346 km (0.067 R)
• M6: 1,607,280 km (0.117 R)
• M7: 1,733,391 km (0.12 R)
• M8: 3,363,110 km (0.091 R)
• M9: 3,524,975 km (0.117 R)
• M10: 4,460,410 km (0.116 R)
• M11: 5,302,796 km (0.073 R)
• M12: 5,586,433 km (0.031 R)
• M13: 5,658,091 km (0.111 R)
• M14: 5,802,303 km (0.107 R)
• M15: 6,143,685 km (0.112 R)
• M16: 6,718,740 km (0.109 R)
• M17: 6,820,466 km (0.034 R)
• M18: 7,467,926 km (0.078 R)
• M19: 8,626,860 km (0.09 R)
• M20: 10,072,425 km (0.069 R)
• M21: 11,591,142 km (0.061 R)
• M22: 12,989,583 km (0.107 R)
• M23: 13,660,081 km (0.079 R)
• M24: 15,469,168 km (0.078 R)
• M25: 16,281,933 km (0.087 R)
• M26: 17,212,731 km (0.09 R)
• M27: 18,231,493 km (0.115 R)
• M28: 19,487,067 km (0.035 R)
• M29: 21,590,713 km (0.054 R)
• M30: 22,307,735 km (0.08 R)
• M31: 22,345,733 km (0.101 R)
• M32: 23,571,688 km (0.094 R)
• M33: 23,649,030 km (0.083 R)
• M34: 25,253,168 km (0.078 R)
• M35: 26,650,113 km (0.059 R)
• M36: 26,730,746 km (0.036 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: 268 - 19,545 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit