🌌 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: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.45 AU - 0.65 AU

Year: 151 Days

Day: 15.5 Hours

Environment

Temp: 190 °C

Axial Tilt: 28.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 52,567,109 km

• M1: 266,434 km (0.06 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.01 AU - 1.11 AU

Year: 405 Days

Day: 34.6 Hours

Environment

Temp: 17 °C

Axial Tilt: 31.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.74 AU - 2.22 AU

Year: 1033 Days

Day: 35.4 Hours

Environment

Temp: -75 °C

Axial Tilt: 48.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,567,109 km

• M1: 606,470 km (0.109 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.43 AU - 3.09 AU

Year: 1700 Days

Day: 38.8 Hours

Environment

Temp: -97 °C

Axial Tilt: 42.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.67 AU - 4.07 AU

Year: 2823 Days

Day: 37.2 Hours

Environment

Temp: -119 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,567,109 km

• M1: 2,358,261 km (0.1 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.89 AU - 4.29 AU

Year: 3068 Days

Day: 28.3 Hours

Environment

Temp: -123 °C

Axial Tilt: 3.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 52,567,109 km

• M1: 516,711 km (0.118 R)
• M2: 702,362 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.3

Radius: 10.4

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.88 AU - 5.13 AU

Year: 4146 Days

Day: 11.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 121.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 52,567,109 km

• M1: 308,770 km (0.09 R)
• M2: 615,296 km (0.071 R)
• M3: 957,277 km (0.059 R)
• M4: 1,048,531 km (0.08 R)
• M5: 1,226,104 km (0.05 R)
• M6: 1,297,163 km (0.112 R)
• M7: 1,595,760 km (0.111 R)
• M8: 1,769,444 km (0.093 R)
• M9: 1,883,288 km (0.097 R)
• M10: 1,999,675 km (0.047 R)
• M11: 2,222,276 km (0.106 R)
• M12: 2,416,903 km (0.073 R)
• M13: 2,710,414 km (0.071 R)
• M14: 2,785,512 km (0.079 R)
• M15: 2,918,804 km (0.105 R)
• M16: 3,112,982 km (0.104 R)
• M17: 3,211,567 km (0.063 R)
• M18: 3,514,054 km (0.028 R)
• M19: 3,616,828 km (0.083 R)
• M20: 3,741,742 km (0.095 R)
• M21: 3,867,853 km (0.095 R)
• M22: 4,298,994 km (0.118 R)
• M23: 4,700,215 km (0.118 R)
• M24: 4,836,649 km (0.054 R)
• M25: 5,043,842 km (0.058 R)
• M26: 5,207,053 km (0.098 R)
• M27: 5,852,717 km (0.044 R)
• M28: 6,548,946 km (0.119 R)
• M29: 6,932,814 km (0.113 R)
• M30: 7,218,995 km (0.044 R)
• M31: 8,457,366 km (0.067 R)
• M32: 8,707,344 km (0.109 R)
• M33: 8,987,990 km (0.068 R)
• M34: 10,673,658 km (0.116 R)
• M35: 10,943,982 km (0.088 R)
• M36: 11,216,400 km (0.094 R)
• M37: 11,891,984 km (0.049 R)
• M38: 12,047,416 km (0.096 R)
• M39: 12,140,914 km (0.089 R)
• M40: 12,993,921 km (0.087 R)
• M41: 13,540,702 km (0.103 R)
• M42: 13,605,627 km (0.113 R)
• M43: 13,703,015 km (0.115 R)
• M44: 14,029,588 km (0.117 R)
• M45: 14,358,703 km (0.113 R)
• M46: 14,458,036 km (0.073 R)
• M47: 14,890,673 km (0.087 R)
• M48: 14,957,543 km (0.101 R)
• M49: 15,260,030 km (0.105 R)
• M50: 15,327,648 km (0.093 R)
• M51: 15,530,653 km (0.103 R)
• M52: 15,973,761 km (0.086 R)
• M53: 16,421,059 km (0.101 R)
• M54: 17,117,288 km (0.103 R)
• M55: 17,398,382 km (0.12 R)
• M56: 17,610,362 km (0.085 R)
• M57: 18,143,828 km (0.063 R)
• M58: 19,226,618 km (0.077 R)
• M59: 19,482,280 km (0.073 R)
• M60: 20,330,351 km (0.071 R)
• M61: 21,871,807 km (0.055 R)
• M62: 22,138,690 km (0.099 R)
• M63: 22,406,769 km (0.111 R)
• M64: 22,598,853 km (0.11 R)
• M65: 22,752,939 km (0.113 R)
• M66: 23,139,649 km (0.098 R)
• M67: 23,450,663 km (0.1 R)
• M68: 23,723,829 km (0.107 R)
• M69: 24,234,107 km (0.115 R)
• M70: 25,225,343 km (0.092 R)
• M71: 26,839,055 km (0.109 R)
• M72: 27,083,947 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.3

Radius: 8

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.13 AU - 6.81 AU

Year: 4744 Days

Day: 10.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 52,567,109 km

• M1: 141,520 km (0.067 R)
• M2: 218,413 km (0.064 R)
• M3: 377,735 km (0.06 R)
• M4: 442,361 km (0.104 R)
• M5: 497,114 km (0.111 R)
• M6: 676,930 km (0.109 R)
• M7: 976,276 km (0.028 R)
• M8: 1,234,182 km (0.118 R)
• M9: 1,386,623 km (0.1 R)
• M10: 1,789,191 km (0.119 R)
• M11: 1,857,856 km (0.072 R)
• M12: 1,997,880 km (0.07 R)
• M13: 2,464,176 km (0.092 R)
• M14: 2,592,382 km (0.052 R)
• M15: 2,762,474 km (0.117 R)
• M16: 2,815,582 km (0.118 R)
• M17: 2,895,916 km (0.112 R)
• M18: 3,031,451 km (0.048 R)
• M19: 3,141,406 km (0.07 R)
• M20: 3,493,559 km (0.087 R)
• M21: 3,799,038 km (0.097 R)
• M22: 4,037,647 km (0.051 R)
• M23: 4,158,821 km (0.12 R)
• M24: 4,545,382 km (0.055 R)
• M25: 4,624,070 km (0.043 R)
• M26: 4,719,065 km (0.071 R)
• M27: 4,814,658 km (0.073 R)
• M28: 5,468,999 km (0.098 R)
• M29: 5,519,264 km (0.097 R)
• M30: 5,806,641 km (0.057 R)
• M31: 6,168,519 km (0.075 R)
• M32: 6,841,859 km (0.068 R)
• M33: 7,334,484 km (0.094 R)
• M34: 7,408,386 km (0.116 R)
• M35: 7,482,586 km (0.082 R)
• M36: 7,538,386 km (0.086 R)
• M37: 7,669,135 km (0.106 R)
• M38: 7,838,480 km (0.04 R)
• M39: 8,392,291 km (0.117 R)
• M40: 8,508,379 km (0.076 R)
• M41: 8,566,722 km (0.086 R)
• M42: 9,216,575 km (0.099 R)
• M43: 9,456,829 km (0.042 R)
• M44: 9,597,900 km (0.109 R)
• M45: 9,841,446 km (0.104 R)
• M46: 10,396,902 km (0.095 R)
• M47: 10,857,065 km (0.12 R)
• M48: 11,004,868 km (0.091 R)
• M49: 11,538,035 km (0.083 R)
• M50: 11,732,213 km (0.102 R)
• M51: 11,948,980 km (0.097 R)
• M52: 12,145,402 km (0.077 R)
• M53: 12,232,917 km (0.063 R)
• M54: 12,386,853 km (0.079 R)
• M55: 12,651,941 km (0.093 R)
• M56: 12,919,123 km (0.049 R)
• M57: 13,120,631 km (0.1 R)
• M58: 13,390,954 km (0.06 R)
• M59: 13,526,789 km (0.075 R)
• M60: 13,822,694 km (0.095 R)
• M61: 14,028,840 km (0.108 R)
• M62: 14,305,296 km (0.088 R)
• M63: 14,699,936 km (0.118 R)
• M64: 14,863,596 km (0.065 R)
• M65: 15,145,288 km (0.1 R)
• M66: 15,476,349 km (0.063 R)
• M67: 15,595,129 km (0.074 R)
• M68: 15,666,637 km (0.05 R)
• M69: 15,738,145 km (0.064 R)
• M70: 16,097,479 km (0.106 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.4

Radius: 9.6

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.31 AU - 11.73 AU

Year: 10893 Days

Day: 14.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 52,567,109 km

• M1: 121,025 km (0.078 R)
• M2: 235,617 km (0.118 R)
• M3: 326,722 km (0.104 R)
• M4: 523,293 km (0.088 R)
• M5: 620,083 km (0.09 R)
• M6: 948,750 km (0.067 R)
• M7: 1,028,934 km (0.033 R)
• M8: 1,396,197 km (0.075 R)
• M9: 1,488,499 km (0.108 R)
• M10: 2,191,459 km (0.048 R)
• M11: 2,409,573 km (0.075 R)
• M12: 2,577,721 km (0.058 R)
• M13: 2,808,102 km (0.083 R)
• M14: 2,955,605 km (0.055 R)
• M15: 3,075,433 km (0.047 R)
• M16: 3,444,641 km (0.076 R)
• M17: 4,360,628 km (0.073 R)
• M18: 4,531,768 km (0.111 R)
• M19: 4,600,883 km (0.031 R)
• M20: 5,130,609 km (0.04 R)
• M21: 5,568,332 km (0.057 R)
• M22: 5,904,628 km (0.031 R)
• M23: 5,980,175 km (0.113 R)
• M24: 6,440,787 km (0.041 R)
• M25: 7,193,264 km (0.094 R)
• M26: 9,084,480 km (0.061 R)
• M27: 9,836,808 km (0.069 R)
• M28: 10,379,998 km (0.082 R)
• M29: 11,119,311 km (0.051 R)
• M30: 11,259,783 km (0.113 R)
• M31: 11,875,528 km (0.047 R)
• M32: 12,453,724 km (0.025 R)
• M33: 12,795,106 km (0.097 R)
• M34: 13,938,782 km (0.089 R)
• M35: 14,242,465 km (0.103 R)
• M36: 15,793,646 km (0.071 R)
• M37: 17,235,021 km (0.104 R)
• M38: 18,219,225 km (0.117 R)
• M39: 18,440,331 km (0.116 R)
• M40: 18,662,484 km (0.069 R)
• M41: 18,829,585 km (0.093 R)
• M42: 21,047,224 km (0.085 R)
• M43: 21,395,787 km (0.107 R)
• M44: 21,570,667 km (0.093 R)
• M45: 21,863,430 km (0.09 R)
• M46: 22,157,389 km (0.102 R)
• M47: 22,868,129 km (0.098 R)
• M48: 23,166,577 km (0.034 R)
• M49: 23,526,360 km (0.082 R)
• M50: 24,494,856 km (0.114 R)
• M51: 24,555,892 km (0.056 R)
• M52: 25,538,152 km (0.113 R)
• M53: 25,785,736 km (0.072 R)
• M54: 26,658,490 km (0.08 R)
• M55: 27,731,406 km (0.062 R)
• M56: 28,369,142 km (0.05 R)
• M57: 29,011,515 km (0.055 R)
• M58: 29,464,198 km (0.06 R)
• M59: 29,658,825 km (0.106 R)
• M60: 30,507,494 km (0.091 R)
• M61: 30,573,167 km (0.1 R)
• M62: 32,095,026 km (0.055 R)
• M63: 32,295,488 km (0.04 R)
• M64: 32,898,965 km (0.087 R)
• M65: 33,438,415 km (0.112 R)
• M66: 35,006,051 km (0.069 R)
• M67: 35,143,532 km (0.069 R)
• M68: 35,349,977 km (0.03 R)
• M69: 35,971,855 km (0.068 R)
• M70: 36,179,946 km (0.062 R)
• M71: 36,667,186 km (0.092 R)
• M72: 37,437,017 km (0.03 R)
• M73: 37,577,639 km (0.025 R)
• M74: 38,566,331 km (0.116 R)
• M75: 38,708,299 km (0.074 R)
• M76: 38,921,626 km (0.096 R)
• M77: 39,635,357 km (0.118 R)
• M78: 42,094,148 km (0.119 R)
• M79: 42,533,068 km (0.08 R)
• M80: 43,194,440 km (0.07 R)
• M81: 43,341,944 km (0.089 R)
• M82: 45,798,640 km (0.085 R)
• M83: 48,071,032 km (0.113 R)
• M84: 48,683,186 km (0.034 R)
• M85: 49,683,398 km (0.081 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 15,244 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit