🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.6 AU - 0.82 AU

Year: 216 Days

Day: 36.6 Hours

Environment

Temp: 180 °C

Axial Tilt: 41.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.18 AU - 1.4 AU

Year: 530 Days

Day: 37.8 Hours

Environment

Temp: -13 °C

Axial Tilt: 3.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.79 AU - 2.37 AU

Year: 1085 Days

Day: 46.2 Hours

Environment

Temp: -57 °C

Axial Tilt: 46.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,359,415 km

• M1: 163,810 km (0.064 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.83 AU - 2.87 AU

Year: 1303 Days

Day: 23.4 Hours

Environment

Temp: -84 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.32 AU - 4.98 AU

Year: 3057 Days

Day: 38.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.7 AU - 5.14 AU

Year: 3361 Days

Day: 32.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 46.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,359,415 km

• M1: 330,761 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.1

Radius: 12.4

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 7.54 AU - 8.54 AU

Year: 8245 Days

Day: 6 Hours

Environment

Temp: -167 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 41,359,415 km

• M1: 173,085 km (0.074 R)
• M2: 284,535 km (0.043 R)
• M3: 532,419 km (0.076 R)
• M4: 728,990 km (0.109 R)
• M5: 1,237,474 km (0.117 R)
• M6: 1,320,351 km (0.109 R)
• M7: 1,521,710 km (0.113 R)
• M8: 1,955,095 km (0.092 R)
• M9: 2,236,937 km (0.101 R)
• M10: 2,585,650 km (0.084 R)
• M11: 3,083,960 km (0.038 R)
• M12: 3,354,283 km (0.099 R)
• M13: 4,468,488 km (0.066 R)
• M14: 5,156,639 km (0.051 R)
• M15: 5,688,609 km (0.111 R)
• M16: 6,189,761 km (0.087 R)
• M17: 6,457,990 km (0.115 R)
• M18: 7,465,383 km (0.056 R)
• M19: 7,672,875 km (0.049 R)
• M20: 7,777,294 km (0.098 R)
• M21: 8,360,127 km (0.103 R)
• M22: 8,765,538 km (0.114 R)
• M23: 9,455,782 km (0.071 R)
• M24: 11,153,269 km (0.116 R)
• M25: 11,390,681 km (0.093 R)
• M26: 11,569,899 km (0.097 R)
• M27: 11,749,866 km (0.05 R)
• M28: 12,479,604 km (0.069 R)
• M29: 13,130,056 km (0.085 R)
• M30: 13,570,023 km (0.094 R)
• M31: 16,578,885 km (0.081 R)
• M32: 16,883,915 km (0.107 R)
• M33: 17,430,994 km (0.086 R)
• M34: 17,637,589 km (0.082 R)
• M35: 17,914,345 km (0.078 R)
• M36: 19,355,421 km (0.048 R)
• M37: 19,891,879 km (0.085 R)
• M38: 20,869,950 km (0.05 R)
• M39: 21,089,410 km (0.089 R)
• M40: 21,272,817 km (0.12 R)
• M41: 21,863,579 km (0.118 R)
• M42: 23,668,029 km (0.05 R)
• M43: 24,011,655 km (0.113 R)
• M44: 25,013,662 km (0.101 R)
• M45: 25,363,571 km (0.081 R)
• M46: 25,597,841 km (0.096 R)
• M47: 26,423,472 km (0.079 R)
• M48: 26,502,609 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289

Radius: 10.8

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 9.52 AU - 11.32 AU

Year: 12164 Days

Day: 9.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 41,359,415 km

• M1: 135,536 km (0.062 R)
• M2: 286,181 km (0.111 R)
• M3: 511,176 km (0.109 R)
• M4: 660,923 km (0.103 R)
• M5: 780,003 km (0.095 R)
• M6: 890,556 km (0.077 R)
• M7: 989,889 km (0.086 R)
• M8: 1,075,609 km (0.066 R)
• M9: 1,218,475 km (0.072 R)
• M10: 1,895,704 km (0.088 R)
• M11: 3,123,604 km (0.118 R)
• M12: 3,226,676 km (0.063 R)
• M13: 4,176,623 km (0.054 R)
• M14: 4,261,894 km (0.093 R)
• M15: 4,875,245 km (0.097 R)
• M16: 4,995,372 km (0.104 R)
• M17: 5,238,319 km (0.119 R)
• M18: 5,361,288 km (0.101 R)
• M19: 5,831,175 km (0.104 R)
• M20: 6,810,293 km (0.11 R)
• M21: 6,978,441 km (0.056 R)
• M22: 7,664,797 km (0.059 R)
• M23: 7,734,659 km (0.094 R)
• M24: 7,945,442 km (0.115 R)
• M25: 8,770,923 km (0.116 R)
• M26: 9,138,485 km (0.092 R)
• M27: 9,548,533 km (0.099 R)
• M28: 9,661,479 km (0.035 R)
• M29: 9,774,874 km (0.11 R)
• M30: 10,117,454 km (0.093 R)
• M31: 10,697,445 km (0.075 R)
• M32: 11,527,563 km (0.114 R)
• M33: 11,970,522 km (0.084 R)
• M34: 12,831,907 km (0.056 R)
• M35: 13,628,516 km (0.073 R)
• M36: 13,713,188 km (0.107 R)
• M37: 13,925,916 km (0.091 R)
• M38: 14,397,897 km (0.119 R)
• M39: 15,269,155 km (0.07 R)
• M40: 15,401,400 km (0.077 R)
• M41: 15,489,663 km (0.113 R)
• M42: 15,800,228 km (0.1 R)
• M43: 15,978,549 km (0.095 R)
• M44: 16,068,008 km (0.064 R)
• M45: 16,157,617 km (0.117 R)
• M46: 16,517,699 km (0.048 R)
• M47: 17,154,089 km (0.105 R)
• M48: 17,613,653 km (0.093 R)
• M49: 17,984,357 km (0.102 R)
• M50: 18,123,932 km (0.096 R)
• M51: 18,686,120 km (0.095 R)
• M52: 20,649,742 km (0.085 R)
• M53: 21,433,635 km (0.106 R)
• M54: 21,631,254 km (0.108 R)
• M55: 21,928,654 km (0.049 R)
• M56: 22,127,619 km (0.098 R)
• M57: 22,477,379 km (0.047 R)
• M58: 23,894,669 km (0.101 R)
• M59: 24,150,781 km (0.072 R)
• M60: 24,407,790 km (0.116 R)
• M61: 24,562,474 km (0.091 R)
• M62: 25,028,472 km (0.107 R)
• M63: 25,811,617 km (0.106 R)
• M64: 27,401,692 km (0.078 R)
• M65: 27,616,216 km (0.05 R)
• M66: 28,046,758 km (0.104 R)
• M67: 28,425,241 km (0.066 R)
• M68: 28,588,003 km (0.071 R)
• M69: 29,023,483 km (0.073 R)
• M70: 29,461,206 km (0.112 R)
• M71: 29,901,024 km (0.106 R)
• M72: 31,401,790 km (0.11 R)
• M73: 32,699,402 km (0.073 R)
• M74: 33,326,217 km (0.079 R)
• M75: 34,129,557 km (0.113 R)
• M76: 34,418,132 km (0.066 R)
• M77: 34,765,348 km (0.049 R)
• M78: 34,881,436 km (0.103 R)
• M79: 35,230,299 km (0.104 R)
• M80: 36,578,175 km (0.091 R)
• M81: 37,763,888 km (0.108 R)
• M82: 40,112,126 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76

Radius: 5.1

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 15.68 AU - 17.16 AU

Year: 24063 Days

Day: 24.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 41,359,415 km

• M1: 64,776 km (0.114 R)
• M2: 198,217 km (0.034 R)
• M3: 406,308 km (0.113 R)
• M4: 567,275 km (0.099 R)
• M5: 795,711 km (0.094 R)
• M6: 945,758 km (0.093 R)
• M7: 1,050,925 km (0.104 R)
• M8: 1,428,510 km (0.111 R)
• M9: 1,954,496 km (0.1 R)
• M10: 2,180,389 km (0.092 R)
• M11: 2,414,659 km (0.109 R)
• M12: 2,957,999 km (0.084 R)
• M13: 3,086,653 km (0.045 R)
• M14: 4,009,223 km (0.076 R)
• M15: 5,225,454 km (0.04 R)
• M16: 5,569,828 km (0.088 R)
• M17: 6,313,479 km (0.102 R)
• M18: 6,479,233 km (0.03 R)
• M19: 6,512,594 km (0.111 R)
• M20: 6,612,974 km (0.107 R)
• M21: 6,646,484 km (0.083 R)
• M22: 6,781,271 km (0.101 R)
• M23: 7,019,431 km (0.112 R)
• M24: 7,679,457 km (0.098 R)
• M25: 8,250,472 km (0.116 R)
• M26: 8,359,080 km (0.109 R)
• M27: 8,577,643 km (0.11 R)
• M28: 9,319,947 km (0.082 R)
• M29: 9,736,877 km (0.034 R)
• M30: 9,966,958 km (0.114 R)
• M31: 10,082,597 km (0.118 R)
• M32: 10,198,685 km (0.084 R)
• M33: 10,276,327 km (0.111 R)
• M34: 10,510,597 km (0.111 R)
• M35: 10,825,500 km (0.114 R)
• M36: 10,904,787 km (0.116 R)
• M37: 11,626,447 km (0.089 R)
• M38: 11,993,112 km (0.03 R)
• M39: 12,239,649 km (0.039 R)
• M40: 13,157,881 km (0.101 R)
• M41: 13,625,224 km (0.103 R)
• M42: 17,137,932 km (0.114 R)
• M43: 17,276,460 km (0.088 R)
• M44: 17,741,260 km (0.06 R)
• M45: 18,635,706 km (0.071 R)
• M46: 18,778,273 km (0.043 R)
• M47: 18,825,845 km (0.04 R)
• M48: 19,883,203 km (0.096 R)
• M49: 19,931,672 km (0.118 R)
• M50: 20,370,144 km (0.099 R)
• M51: 20,860,974 km (0.092 R)
• M52: 21,206,994 km (0.111 R)
• M53: 22,205,710 km (0.114 R)
• M54: 23,015,782 km (0.104 R)
• M55: 23,270,996 km (0.119 R)
• M56: 23,424,483 km (0.092 R)
• M57: 23,783,967 km (0.094 R)
• M58: 23,938,651 km (0.093 R)
• M59: 24,093,635 km (0.069 R)
• M60: 24,197,156 km (0.097 R)
• M61: 24,300,828 km (0.033 R)
• M62: 24,873,488 km (0.107 R)
• M63: 25,397,978 km (0.112 R)
• M64: 25,503,295 km (0.114 R)
• M65: 25,556,103 km (0.112 R)
• M66: 26,032,273 km (0.114 R)
• M67: 26,085,381 km (0.057 R)
• M68: 27,748,909 km (0.085 R)
• M69: 27,857,367 km (0.08 R)
• M70: 28,074,733 km (0.096 R)
• M71: 28,183,640 km (0.056 R)
• M72: 31,120,845 km (0.118 R)
• M73: 31,177,243 km (0.065 R)
• M74: 31,742,574 km (0.067 R)
• M75: 31,799,271 km (0.109 R)
• M76: 32,083,507 km (0.117 R)
• M77: 32,368,342 km (0.071 R)
• M78: 32,482,634 km (0.041 R)
• M79: 33,228,380 km (0.066 R)
• M80: 33,285,975 km (0.106 R)
• M81: 33,458,910 km (0.111 R)
• M82: 34,037,704 km (0.05 R)
• M83: 35,263,808 km (0.089 R)
• M84: 37,159,812 km (0.104 R)
• M85: 37,219,651 km (0.105 R)
• M86: 37,459,157 km (0.094 R)
• M87: 37,699,112 km (0.059 R)
• M88: 37,759,101 km (0.081 R)
• M89: 39,027,990 km (0.114 R)
• M90: 39,149,613 km (0.116 R)
• M91: 39,332,272 km (0.115 R)
• M92: 40,249,457 km (0.099 R)
• M93: 40,988,321 km (0.083 R)
• M94: 41,235,606 km (0.076 R)
• M95: 41,359,473 km (0.115 R)

Kuiper Belt

Range: 30.3 - 48.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 13,828 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit