🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.45 AU - 0.61 AU

Year: 134 Days

Day: 25.1 Hours

Environment

Temp: 280 °C

Axial Tilt: 6.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.1 AU - 3.1 AU

Year: 1460 Days

Day: 28.6 Hours

Environment

Temp: -82 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.98 AU - 4.06 AU

Year: 2300 Days

Day: 45.9 Hours

Environment

Temp: -111 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.45 AU - 4.21 AU

Year: 2610 Days

Day: 28.4 Hours

Environment

Temp: -112 °C

Axial Tilt: 33.8 °

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: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.19 AU - 5.11 AU

Year: 2944 Days

Day: 28.6 Hours

Environment

Temp: -118 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.42 AU - 5.06 AU

Year: 3594 Days

Day: 18.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.31 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.3

Radius: 10.8

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.52 AU - 6.22 AU

Year: 4953 Days

Day: 13.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 61,815,666 km

• M1: 136,433 km (0.072 R)
• M2: 203,603 km (0.102 R)
• M3: 322,832 km (0.099 R)
• M4: 751,729 km (0.093 R)
• M5: 839,992 km (0.036 R)
• M6: 1,064,389 km (0.088 R)
• M7: 1,255,575 km (0.096 R)
• M8: 1,335,311 km (0.112 R)
• M9: 1,458,280 km (0.053 R)
• M10: 1,805,198 km (0.095 R)
• M11: 1,926,671 km (0.114 R)
• M12: 2,050,987 km (0.096 R)
• M13: 2,242,622 km (0.098 R)
• M14: 2,923,442 km (0.084 R)
• M15: 3,417,713 km (0.062 R)
• M16: 3,839,878 km (0.118 R)
• M17: 4,504,093 km (0.102 R)
• M18: 4,649,651 km (0.066 R)
• M19: 4,754,520 km (0.072 R)
• M20: 4,839,042 km (0.106 R)
• M21: 5,074,061 km (0.088 R)
• M22: 5,334,810 km (0.1 R)
• M23: 5,489,045 km (0.074 R)
• M24: 6,051,533 km (0.099 R)
• M25: 6,235,538 km (0.117 R)
• M26: 6,328,140 km (0.105 R)
• M27: 6,468,014 km (0.07 R)
• M28: 6,941,790 km (0.1 R)
• M29: 7,110,237 km (0.059 R)
• M30: 7,623,956 km (0.061 R)
• M31: 7,747,973 km (0.096 R)
• M32: 7,897,720 km (0.059 R)
• M33: 8,073,647 km (0.098 R)
• M34: 8,327,365 km (0.102 R)
• M35: 8,557,896 km (0.051 R)
• M36: 8,660,969 km (0.118 R)
• M37: 9,104,078 km (0.118 R)
• M38: 9,209,395 km (0.105 R)
• M39: 9,341,489 km (0.039 R)
• M40: 9,715,185 km (0.105 R)
• M41: 9,822,746 km (0.112 R)
• M42: 10,559,814 km (0.104 R)
• M43: 10,865,293 km (0.058 R)
• M44: 10,977,043 km (0.034 R)
• M45: 11,286,411 km (0.071 R)
• M46: 11,598,622 km (0.102 R)
• M47: 11,684,342 km (0.074 R)
• M48: 12,669,892 km (0.086 R)
• M49: 12,846,568 km (0.059 R)
• M50: 13,893,603 km (0.06 R)
• M51: 14,167,218 km (0.119 R)
• M52: 14,411,960 km (0.09 R)
• M53: 15,436,406 km (0.115 R)
• M54: 16,355,984 km (0.102 R)
• M55: 16,484,189 km (0.068 R)
• M56: 17,554,861 km (0.084 R)
• M57: 17,982,711 km (0.117 R)
• M58: 18,082,044 km (0.072 R)
• M59: 18,882,542 km (0.036 R)
• M60: 19,050,840 km (0.079 R)
• M61: 19,592,534 km (0.104 R)
• M62: 19,831,143 km (0.112 R)
• M63: 20,070,798 km (0.112 R)
• M64: 20,414,724 km (0.112 R)
• M65: 21,003,840 km (0.084 R)
• M66: 21,073,553 km (0.076 R)
• M67: 21,213,128 km (0.104 R)
• M68: 21,809,874 km (0.086 R)
• M69: 21,986,399 km (0.117 R)
• M70: 22,057,159 km (0.116 R)
• M71: 23,019,821 km (0.069 R)
• M72: 23,163,585 km (0.064 R)
• M73: 23,814,335 km (0.118 R)
• M74: 23,996,097 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 390.9

Radius: 6.6

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 11.51 AU - 18.95 AU

Year: 20699 Days

Day: 23.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 61,815,666 km

• M1: 146,606 km (0.077 R)
• M2: 224,995 km (0.103 R)
• M3: 597,943 km (0.088 R)
• M4: 760,256 km (0.104 R)
• M5: 1,126,322 km (0.077 R)
• M6: 1,406,669 km (0.07 R)
• M7: 1,514,080 km (0.088 R)
• M8: 2,060,561 km (0.119 R)
• M9: 2,434,855 km (0.059 R)
• M10: 3,174,916 km (0.104 R)
• M11: 4,132,342 km (0.087 R)
• M12: 4,287,176 km (0.093 R)
• M13: 4,642,471 km (0.036 R)
• M14: 4,803,288 km (0.065 R)
• M15: 5,089,469 km (0.109 R)
• M16: 5,297,261 km (0.047 R)
• M17: 5,381,035 km (0.102 R)
• M18: 5,678,137 km (0.105 R)
• M19: 5,764,006 km (0.08 R)
• M20: 6,782,319 km (0.1 R)
• M21: 6,919,201 km (0.067 R)
• M22: 7,288,707 km (0.113 R)
• M23: 7,807,363 km (0.068 R)
• M24: 8,191,979 km (0.117 R)
• M25: 8,681,314 km (0.045 R)
• M26: 8,780,348 km (0.101 R)
• M27: 9,079,693 km (0.084 R)
• M28: 9,331,766 km (0.053 R)
• M29: 10,362,794 km (0.118 R)
• M30: 11,756,298 km (0.114 R)
• M31: 11,920,856 km (0.094 R)
• M32: 12,867,661 km (0.109 R)
• M33: 13,550,426 km (0.109 R)
• M34: 13,838,401 km (0.114 R)
• M35: 14,655,505 km (0.05 R)
• M36: 15,069,891 km (0.086 R)
• M37: 16,704,098 km (0.104 R)
• M38: 17,199,118 km (0.065 R)
• M39: 17,573,411 km (0.095 R)
• M40: 18,648,721 km (0.114 R)
• M41: 19,420,347 km (0.053 R)
• M42: 20,597,532 km (0.088 R)
• M43: 20,862,171 km (0.113 R)
• M44: 21,328,168 km (0.058 R)
• M45: 22,951,605 km (0.065 R)
• M46: 23,157,451 km (0.114 R)
• M47: 25,248,081 km (0.116 R)
• M48: 25,460,361 km (0.11 R)
• M49: 25,602,329 km (0.066 R)
• M50: 28,495,253 km (0.088 R)
• M51: 30,054,960 km (0.11 R)
• M52: 31,110,074 km (0.115 R)
• M53: 32,024,117 km (0.104 R)
• M54: 32,946,986 km (0.071 R)
• M55: 33,179,162 km (0.1 R)
• M56: 33,722,801 km (0.05 R)
• M57: 34,347,671 km (0.095 R)
• M58: 34,661,527 km (0.109 R)
• M59: 36,324,906 km (0.11 R)
• M60: 37,448,237 km (0.107 R)
• M61: 38,420,174 km (0.111 R)
• M62: 39,072,720 km (0.071 R)
• M63: 40,223,576 km (0.076 R)
• M64: 40,471,610 km (0.094 R)
• M65: 40,886,145 km (0.066 R)
• M66: 41,468,829 km (0.105 R)
• M67: 41,970,431 km (0.111 R)
• M68: 42,474,127 km (0.113 R)
• M69: 43,318,008 km (0.04 R)
• M70: 43,402,681 km (0.088 R)
• M71: 43,742,118 km (0.092 R)
• M72: 44,508,807 km (0.076 R)
• M73: 46,314,902 km (0.036 R)
• M74: 47,444,965 km (0.068 R)
• M75: 48,232,747 km (0.04 R)
• M76: 49,732,316 km (0.112 R)
• M77: 50,087,312 km (0.092 R)
• M78: 50,176,173 km (0.074 R)
• M79: 52,867,439 km (0.084 R)
• M80: 53,502,182 km (0.056 R)
• M81: 53,866,004 km (0.073 R)
• M82: 54,139,469 km (0.034 R)
• M83: 54,321,979 km (0.097 R)
• M84: 54,596,042 km (0.117 R)
• M85: 54,870,704 km (0.114 R)
• M86: 56,713,301 km (0.098 R)
• M87: 57,735,353 km (0.098 R)
• M88: 58,295,448 km (0.08 R)
• M89: 59,609,216 km (0.108 R)
• M90: 61,788,558 km (0.086 R)
• M91: 63,993,930 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.6

Radius: 3.4

Gravity: 12.51 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 15.5 AU - 25.12 AU

Year: 31876 Days

Day: 22.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 61,815,666 km

• M1: 57,894 km (0.104 R)
• M2: 104,120 km (0.1 R)
• M3: 179,218 km (0.105 R)
• M4: 691,890 km (0.11 R)
• M5: 1,186,311 km (0.11 R)
• M6: 1,260,661 km (0.112 R)
• M7: 1,851,124 km (0.036 R)
• M8: 2,025,106 km (0.106 R)
• M9: 2,326,696 km (0.086 R)
• M10: 2,610,184 km (0.106 R)
• M11: 2,674,660 km (0.059 R)
• M12: 3,174,766 km (0.112 R)
• M13: 3,523,927 km (0.11 R)
• M14: 4,032,859 km (0.094 R)
• M15: 4,144,908 km (0.113 R)
• M16: 4,220,306 km (0.071 R)
• M17: 5,526,145 km (0.064 R)
• M18: 5,734,086 km (0.11 R)
• M19: 6,547,450 km (0.117 R)
• M20: 6,635,114 km (0.061 R)
• M21: 7,079,570 km (0.071 R)
• M22: 7,625,452 km (0.025 R)
• M23: 8,660,819 km (0.042 R)
• M24: 8,853,651 km (0.105 R)
• M25: 9,540,155 km (0.105 R)
• M26: 9,689,454 km (0.1 R)
• M27: 11,487,620 km (0.103 R)
• M28: 11,646,344 km (0.095 R)
• M29: 12,778,501 km (0.117 R)
• M30: 12,833,253 km (0.094 R)
• M31: 12,998,110 km (0.069 R)
• M32: 14,971,904 km (0.036 R)
• M33: 15,787,213 km (0.092 R)
• M34: 16,676,572 km (0.118 R)
• M35: 16,856,389 km (0.064 R)
• M36: 16,976,666 km (0.064 R)
• M37: 18,194,691 km (0.114 R)
• M38: 18,814,176 km (0.07 R)
• M39: 18,876,559 km (0.118 R)
• M40: 19,440,542 km (0.054 R)
• M41: 20,010,211 km (0.069 R)
• M42: 20,073,790 km (0.091 R)
• M43: 20,521,088 km (0.048 R)
• M44: 21,036,303 km (0.065 R)
• M45: 21,100,929 km (0.104 R)
• M46: 21,425,407 km (0.103 R)
• M47: 21,751,530 km (0.101 R)
• M48: 22,408,714 km (0.053 R)
• M49: 23,877,316 km (0.066 R)
• M50: 24,691,278 km (0.093 R)
• M51: 25,170,440 km (0.078 R)
• M52: 25,721,708 km (0.1 R)
• M53: 25,929,350 km (0.073 R)
• M54: 26,207,303 km (0.108 R)
• M55: 26,695,890 km (0.108 R)
• M56: 27,328,539 km (0.075 R)
• M57: 28,823,770 km (0.107 R)
• M58: 29,255,808 km (0.112 R)
• M59: 29,545,131 km (0.115 R)
• M60: 29,690,091 km (0.116 R)
• M61: 31,670,318 km (0.037 R)
• M62: 32,938,758 km (0.087 R)
• M63: 33,692,732 km (0.047 R)
• M64: 34,223,804 km (0.109 R)
• M65: 34,604,830 km (0.052 R)
• M66: 35,371,220 km (0.115 R)
• M67: 37,468,133 km (0.106 R)
• M68: 37,782,139 km (0.081 R)
• M69: 38,571,118 km (0.073 R)
• M70: 40,004,864 km (0.088 R)
• M71: 40,085,049 km (0.086 R)
• M72: 40,245,567 km (0.119 R)
• M73: 40,486,719 km (0.073 R)
• M74: 42,025,034 km (0.117 R)
• M75: 42,188,096 km (0.09 R)
• M76: 42,596,498 km (0.101 R)
• M77: 44,326,597 km (0.112 R)
• M78: 44,492,651 km (0.099 R)
• M79: 46,922,120 km (0.111 R)
• M80: 47,260,660 km (0.086 R)
• M81: 47,514,976 km (0.048 R)
• M82: 47,854,863 km (0.069 R)
• M83: 49,222,636 km (0.105 R)
• M84: 49,308,505 km (0.109 R)
• M85: 49,566,562 km (0.106 R)
• M86: 49,738,749 km (0.065 R)
• M87: 50,602,976 km (0.085 R)
• M88: 52,083,695 km (0.104 R)
• M89: 52,346,389 km (0.101 R)
• M90: 52,434,054 km (0.105 R)
• M91: 52,697,496 km (0.087 R)
• M92: 53,755,152 km (0.099 R)
• M93: 57,150,725 km (0.069 R)
• M94: 59,422,219 km (0.066 R)
• M95: 61,075,874 km (0.078 R)

Kuiper Belt

Range: 31.5 - 61.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 11,718 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit