🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1 AU - 1.16 AU

Year: 393 Days

Day: 26.5 Hours

Environment

Temp: 139 °C

Axial Tilt: 35.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.23 AU - 2.45 AU

Year: 1252 Days

Day: 37.4 Hours

Environment

Temp: -71 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.48 AU - 3.14 AU

Year: 1648 Days

Day: 42.3 Hours

Environment

Temp: -91 °C

Axial Tilt: 93.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.73 AU - 3.95 AU

Year: 2135 Days

Day: 46.9 Hours

Environment

Temp: -101 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,202,073 km

• M1: 663,317 km (0.073 R)

Planet 5 - Terrestrial

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.85 AU - 6.31 AU

Year: 4006 Days

Day: 32.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.2

Radius: 13.2

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 9.59 AU - 11.05 AU

Year: 11598 Days

Day: 9.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 64,202,073 km

• M1: 173,683 km (0.03 R)
• M2: 304,432 km (0.08 R)
• M3: 737,368 km (0.089 R)
• M4: 1,039,406 km (0.075 R)
• M5: 1,149,211 km (0.05 R)
• M6: 1,357,301 km (0.048 R)
• M7: 2,400,148 km (0.105 R)
• M8: 2,887,089 km (0.032 R)
• M9: 3,539,037 km (0.097 R)
• M10: 3,778,094 km (0.036 R)
• M11: 4,093,147 km (0.103 R)
• M12: 4,526,832 km (0.078 R)
• M13: 5,915,100 km (0.119 R)
• M14: 6,655,759 km (0.08 R)
• M15: 7,165,888 km (0.088 R)
• M16: 7,295,439 km (0.105 R)
• M17: 7,777,145 km (0.092 R)
• M18: 8,450,634 km (0.093 R)
• M19: 9,189,648 km (0.098 R)
• M20: 9,424,815 km (0.092 R)
• M21: 9,997,626 km (0.067 R)
• M22: 10,288,145 km (0.11 R)
• M23: 11,630,486 km (0.067 R)
• M24: 12,399,868 km (0.053 R)
• M25: 12,974,474 km (0.029 R)
• M26: 13,825,985 km (0.063 R)
• M27: 13,933,695 km (0.102 R)
• M28: 15,026,209 km (0.068 R)
• M29: 17,003,892 km (0.074 R)
• M30: 17,177,127 km (0.063 R)
• M31: 17,993,632 km (0.089 R)
• M32: 18,525,303 km (0.098 R)
• M33: 18,942,382 km (0.032 R)
• M34: 19,604,053 km (0.089 R)
• M35: 19,846,551 km (0.044 R)
• M36: 20,029,061 km (0.1 R)
• M37: 20,212,168 km (0.119 R)
• M38: 21,011,919 km (0.117 R)
• M39: 21,571,714 km (0.028 R)
• M40: 21,696,778 km (0.085 R)
• M41: 22,199,426 km (0.064 R)
• M42: 22,452,247 km (0.074 R)
• M43: 24,183,543 km (0.043 R)
• M44: 24,313,544 km (0.118 R)
• M45: 25,295,504 km (0.12 R)
• M46: 25,957,475 km (0.089 R)
• M47: 26,090,467 km (0.118 R)
• M48: 26,223,759 km (0.116 R)
• M49: 26,826,489 km (0.107 R)
• M50: 27,095,765 km (0.1 R)
• M51: 30,607,575 km (0.086 R)
• M52: 30,888,968 km (0.106 R)
• M53: 31,100,649 km (0.07 R)
• M54: 32,380,609 km (0.103 R)
• M55: 33,460,406 km (0.069 R)
• M56: 35,877,459 km (0.051 R)
• M57: 36,770,259 km (0.111 R)
• M58: 38,350,312 km (0.107 R)
• M59: 39,186,713 km (0.093 R)
• M60: 40,877,618 km (0.12 R)
• M61: 42,592,309 km (0.042 R)
• M62: 42,827,926 km (0.104 R)
• M63: 43,379,493 km (0.044 R)
• M64: 43,537,468 km (0.116 R)
• M65: 44,012,591 km (0.11 R)
• M66: 44,250,901 km (0.094 R)
• M67: 44,648,831 km (0.087 R)
• M68: 47,142,927 km (0.112 R)
• M69: 48,366,039 km (0.062 R)
• M70: 48,529,848 km (0.045 R)
• M71: 50,510,524 km (0.106 R)
• M72: 51,761,910 km (0.089 R)
• M73: 51,929,460 km (0.053 R)
• M74: 52,013,384 km (0.103 R)
• M75: 52,097,309 km (0.105 R)
• M76: 54,721,106 km (0.109 R)
• M77: 55,062,787 km (0.072 R)
• M78: 56,178,189 km (0.081 R)
• M79: 56,523,012 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.6

Radius: 8.8

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 10.56 AU - 11.44 AU

Year: 12763 Days

Day: 5.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 64,202,073 km

• M1: 117,734 km (0.031 R)
• M2: 238,609 km (0.106 R)
• M3: 411,095 km (0.054 R)
• M4: 638,484 km (0.044 R)
• M5: 714,629 km (0.101 R)
• M6: 890,855 km (0.101 R)
• M7: 977,173 km (0.094 R)
• M8: 1,066,334 km (0.076 R)
• M9: 1,127,370 km (0.104 R)
• M10: 1,269,338 km (0.107 R)
• M11: 1,553,723 km (0.114 R)
• M12: 1,676,693 km (0.085 R)
• M13: 1,766,601 km (0.113 R)
• M14: 1,858,155 km (0.071 R)
• M15: 2,026,902 km (0.081 R)
• M16: 2,142,391 km (0.103 R)
• M17: 2,522,370 km (0.105 R)
• M18: 2,625,891 km (0.104 R)
• M19: 2,730,909 km (0.066 R)
• M20: 3,550,855 km (0.097 R)
• M21: 3,690,579 km (0.119 R)
• M22: 3,784,826 km (0.109 R)
• M23: 4,194,425 km (0.113 R)
• M24: 4,466,992 km (0.04 R)
• M25: 4,592,804 km (0.111 R)
• M26: 5,003,301 km (0.112 R)
• M27: 5,318,952 km (0.114 R)
• M28: 5,969,703 km (0.057 R)
• M29: 6,080,555 km (0.062 R)
• M30: 6,818,222 km (0.052 R)
• M31: 6,934,310 km (0.071 R)
• M32: 6,992,504 km (0.096 R)
• M33: 7,613,933 km (0.045 R)
• M34: 7,855,384 km (0.106 R)
• M35: 8,191,531 km (0.093 R)
• M36: 8,283,982 km (0.104 R)
• M37: 8,563,581 km (0.112 R)
• M38: 9,036,310 km (0.098 R)
• M39: 9,420,776 km (0.111 R)
• M40: 9,582,492 km (0.036 R)
• M41: 9,745,104 km (0.117 R)
• M42: 10,438,341 km (0.102 R)
• M43: 10,505,211 km (0.113 R)
• M44: 11,045,110 km (0.072 R)
• M45: 11,113,327 km (0.109 R)
• M46: 12,754,415 km (0.115 R)
• M47: 13,221,609 km (0.041 R)
• M48: 13,439,125 km (0.066 R)
• M49: 13,804,293 km (0.109 R)
• M50: 14,358,254 km (0.115 R)
• M51: 14,469,854 km (0.056 R)
• M52: 14,656,702 km (0.07 R)
• M53: 15,259,581 km (0.116 R)
• M54: 15,909,135 km (0.077 R)
• M55: 16,373,038 km (0.071 R)
• M56: 16,450,829 km (0.086 R)
• M57: 16,528,620 km (0.051 R)
• M58: 17,156,033 km (0.073 R)
• M59: 17,314,158 km (0.11 R)
• M60: 18,071,722 km (0.103 R)
• M61: 18,313,173 km (0.11 R)
• M62: 18,677,294 km (0.115 R)
• M63: 18,758,675 km (0.075 R)
• M64: 19,207,619 km (0.044 R)
• M65: 19,536,435 km (0.113 R)
• M66: 20,074,688 km (0.112 R)
• M67: 20,701,952 km (0.095 R)
• M68: 22,362,488 km (0.086 R)
• M69: 23,536,981 km (0.066 R)
• M70: 23,800,722 km (0.114 R)
• M71: 24,553,199 km (0.12 R)
• M72: 24,686,790 km (0.067 R)
• M73: 25,403,514 km (0.088 R)
• M74: 26,308,880 km (0.118 R)
• M75: 26,582,644 km (0.112 R)
• M76: 26,994,936 km (0.083 R)
• M77: 27,132,865 km (0.11 R)
• M78: 27,317,170 km (0.108 R)
• M79: 27,501,773 km (0.09 R)
• M80: 28,337,876 km (0.076 R)
• M81: 30,608,173 km (0.097 R)
• M82: 31,040,361 km (0.082 R)
• M83: 31,329,534 km (0.085 R)
• M84: 32,446,581 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.8

Radius: 12.9

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 10.03 AU - 13.15 AU

Year: 13804 Days

Day: 5.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,202,073 km

• M1: 281,992 km (0.094 R)
• M2: 626,366 km (0.053 R)
• M3: 799,601 km (0.098 R)
• M4: 999,015 km (0.097 R)
• M5: 1,224,907 km (0.104 R)
• M6: 1,674,449 km (0.1 R)
• M7: 1,759,720 km (0.095 R)
• M8: 1,857,557 km (0.082 R)
• M9: 2,314,877 km (0.103 R)
• M10: 3,251,360 km (0.088 R)
• M11: 3,634,031 km (0.088 R)
• M12: 5,116,546 km (0.111 R)
• M13: 5,707,907 km (0.079 R)
• M14: 5,789,587 km (0.092 R)
• M15: 6,203,525 km (0.12 R)
• M16: 6,610,132 km (0.051 R)
• M17: 7,324,761 km (0.096 R)
• M18: 9,965,462 km (0.086 R)
• M19: 10,381,793 km (0.109 R)
• M20: 11,272,648 km (0.108 R)
• M21: 12,847,316 km (0.059 R)
• M22: 13,192,139 km (0.05 R)
• M23: 14,111,717 km (0.098 R)
• M24: 14,916,553 km (0.109 R)
• M25: 15,029,500 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.4

Radius: 4.9

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 15.87 AU - 23.95 AU

Year: 31080 Days

Day: 21.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 64,202,073 km

• M1: 499,058 km (0.081 R)
• M2: 693,685 km (0.109 R)
• M3: 1,051,075 km (0.03 R)
• M4: 1,706,912 km (0.097 R)
• M5: 1,850,825 km (0.119 R)
• M6: 2,529,850 km (0.093 R)
• M7: 2,693,958 km (0.083 R)
• M8: 2,861,658 km (0.077 R)
• M9: 3,277,839 km (0.036 R)
• M10: 3,899,568 km (0.11 R)
• M11: 4,281,940 km (0.087 R)
• M12: 4,716,372 km (0.086 R)
• M13: 5,884,133 km (0.092 R)
• M14: 6,724,723 km (0.105 R)
• M15: 8,223,395 km (0.075 R)
• M16: 8,417,723 km (0.057 R)
• M17: 10,442,679 km (0.116 R)
• M18: 11,454,709 km (0.113 R)
• M19: 11,563,018 km (0.099 R)
• M20: 11,726,229 km (0.111 R)
• M21: 12,721,055 km (0.044 R)
• M22: 12,833,253 km (0.067 R)
• M23: 14,147,022 km (0.036 R)
• M24: 14,908,325 km (0.029 R)
• M25: 15,502,977 km (0.068 R)
• M26: 16,592,648 km (0.115 R)
• M27: 17,332,858 km (0.098 R)
• M28: 18,590,228 km (0.047 R)
• M29: 19,294,236 km (0.094 R)
• M30: 21,324,728 km (0.081 R)
• M31: 21,458,019 km (0.075 R)
• M32: 21,926,859 km (0.116 R)
• M33: 23,421,940 km (0.117 R)
• M34: 23,697,350 km (0.052 R)
• M35: 24,112,484 km (0.064 R)
• M36: 25,301,488 km (0.077 R)
• M37: 25,513,318 km (0.085 R)
• M38: 26,796,419 km (0.102 R)
• M39: 27,373,418 km (0.102 R)
• M40: 27,808,898 km (0.081 R)
• M41: 27,954,606 km (0.068 R)
• M42: 30,619,393 km (0.116 R)
• M43: 32,978,252 km (0.031 R)
• M44: 33,984,597 km (0.113 R)
• M45: 34,296,359 km (0.108 R)
• M46: 37,625,959 km (0.102 R)
• M47: 37,787,076 km (0.113 R)
• M48: 38,190,840 km (0.045 R)
• M49: 40,725,926 km (0.098 R)
• M50: 41,388,944 km (0.047 R)
• M51: 43,737,481 km (0.097 R)
• M52: 45,355,531 km (0.098 R)
• M53: 45,441,251 km (0.048 R)
• M54: 45,698,709 km (0.105 R)
• M55: 45,870,597 km (0.095 R)
• M56: 46,214,971 km (0.103 R)
• M57: 46,387,607 km (0.11 R)
• M58: 46,473,925 km (0.078 R)
• M59: 46,560,243 km (0.058 R)
• M60: 46,819,795 km (0.067 R)
• M61: 46,993,179 km (0.052 R)
• M62: 47,950,007 km (0.109 R)
• M63: 49,617,874 km (0.103 R)
• M64: 52,379,750 km (0.083 R)
• M65: 53,100,512 km (0.059 R)
• M66: 53,915,372 km (0.118 R)
• M67: 54,006,178 km (0.065 R)
• M68: 55,099,589 km (0.118 R)
• M69: 57,772,155 km (0.095 R)
• M70: 58,703,551 km (0.059 R)
• M71: 61,337,521 km (0.053 R)
• M72: 61,811,895 km (0.092 R)
• M73: 62,192,323 km (0.098 R)
• M74: 63,433,985 km (0.077 R)

Kuiper Belt

Range: 31.4 - 46.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 14,844 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit