🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.75 AU - 1.21 AU

Year: 356 Days

Day: 25.9 Hours

Environment

Temp: 38 °C

Axial Tilt: 28.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.78 AU - 4.63 AU

Year: 2613 Days

Day: 47.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.42 AU - 4 AU

Year: 2623 Days

Day: 12.5 Hours

Environment

Temp: -116 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.6

Radius: 8.8

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.82 AU - 7.16 AU

Year: 5382 Days

Day: 13.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 28,936,190 km

• M1: 117,584 km (0.091 R)
• M2: 292,015 km (0.09 R)
• M3: 434,582 km (0.045 R)
• M4: 638,185 km (0.117 R)
• M5: 712,983 km (0.116 R)
• M6: 858,542 km (0.057 R)
• M7: 970,890 km (0.105 R)
• M8: 1,103,284 km (0.097 R)
• M9: 1,194,988 km (0.114 R)
• M10: 1,257,520 km (0.079 R)
• M11: 1,321,248 km (0.056 R)
• M12: 1,709,604 km (0.089 R)
• M13: 2,189,664 km (0.06 R)
• M14: 2,345,695 km (0.116 R)
• M15: 3,446,585 km (0.111 R)
• M16: 3,907,496 km (0.104 R)
• M17: 4,610,307 km (0.069 R)
• M18: 4,785,785 km (0.063 R)
• M19: 4,887,063 km (0.109 R)
• M20: 5,066,132 km (0.096 R)
• M21: 5,195,235 km (0.084 R)
• M22: 5,749,794 km (0.049 R)
• M23: 5,938,886 km (0.035 R)
• M24: 6,240,026 km (0.096 R)
• M25: 7,115,772 km (0.09 R)
• M26: 7,318,777 km (0.041 R)
• M27: 7,523,875 km (0.075 R)
• M28: 8,059,735 km (0.045 R)
• M29: 8,301,784 km (0.096 R)
• M30: 8,393,189 km (0.119 R)
• M31: 8,515,709 km (0.111 R)
• M32: 9,325,782 km (0.086 R)
• M33: 9,452,641 km (0.106 R)
• M34: 9,708,004 km (0.103 R)
• M35: 9,772,182 km (0.094 R)
• M36: 10,127,925 km (0.086 R)
• M37: 10,487,858 km (0.061 R)
• M38: 11,085,801 km (0.115 R)
• M39: 11,253,949 km (0.104 R)
• M40: 11,490,762 km (0.032 R)
• M41: 12,419,316 km (0.116 R)
• M42: 12,663,909 km (0.065 R)
• M43: 13,730,541 km (0.025 R)
• M44: 15,197,049 km (0.077 R)
• M45: 15,271,699 km (0.116 R)
• M46: 15,346,498 km (0.115 R)
• M47: 16,062,772 km (0.111 R)
• M48: 16,291,208 km (0.11 R)
• M49: 17,137,932 km (0.057 R)
• M50: 17,254,618 km (0.079 R)
• M51: 18,276,073 km (0.118 R)
• M52: 18,674,153 km (0.107 R)
• M53: 19,478,840 km (0.055 R)
• M54: 20,707,188 km (0.049 R)
• M55: 20,789,915 km (0.12 R)
• M56: 20,997,408 km (0.084 R)
• M57: 21,080,584 km (0.119 R)
• M58: 21,163,760 km (0.057 R)
• M59: 21,749,885 km (0.113 R)
• M60: 22,002,556 km (0.095 R)
• M61: 22,383,581 km (0.091 R)
• M62: 23,195,000 km (0.094 R)
• M63: 23,929,227 km (0.093 R)
• M64: 24,890,692 km (0.063 R)
• M65: 25,066,918 km (0.048 R)
• M66: 25,155,181 km (0.066 R)
• M67: 25,864,724 km (0.092 R)
• M68: 25,954,034 km (0.04 R)
• M69: 26,222,113 km (0.101 R)
• M70: 26,761,114 km (0.077 R)
• M71: 27,258,378 km (0.109 R)
• M72: 27,349,184 km (0.114 R)
• M73: 27,485,467 km (0.09 R)
• M74: 28,262,179 km (0.097 R)
• M75: 28,538,038 km (0.077 R)
• M76: 28,722,492 km (0.063 R)
• M77: 29,185,198 km (0.06 R)
• M78: 29,557,098 km (0.078 R)
• M79: 29,743,647 km (0.097 R)
• M80: 30,493,880 km (0.083 R)
• M81: 31,345,391 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.3

Radius: 8.2

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.95 AU - 7.53 AU

Year: 5722 Days

Day: 12.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 28,936,190 km

• M1: 226,491 km (0.06 R)
• M2: 313,258 km (0.072 R)
• M3: 375,939 km (0.046 R)
• M4: 985,102 km (0.101 R)
• M5: 1,320,800 km (0.067 R)
• M6: 1,445,714 km (0.11 R)
• M7: 1,574,667 km (0.104 R)
• M8: 2,164,681 km (0.074 R)
• M9: 2,256,833 km (0.116 R)
• M10: 2,388,180 km (0.106 R)
• M11: 2,619,309 km (0.085 R)
• M12: 2,717,745 km (0.113 R)
• M13: 3,291,752 km (0.075 R)
• M14: 3,398,265 km (0.065 R)
• M15: 4,060,834 km (0.108 R)
• M16: 4,267,279 km (0.032 R)
• M17: 4,858,939 km (0.089 R)
• M18: 5,053,865 km (0.045 R)
• M19: 5,251,184 km (0.096 R)
• M20: 6,118,254 km (0.093 R)
• M21: 6,196,942 km (0.071 R)
• M22: 6,275,930 km (0.099 R)
• M23: 6,541,616 km (0.083 R)
• M24: 6,595,172 km (0.065 R)
• M25: 7,360,814 km (0.065 R)
• M26: 7,584,762 km (0.103 R)
• M27: 7,641,010 km (0.102 R)
• M28: 7,953,371 km (0.107 R)
• M29: 8,010,667 km (0.059 R)
• M30: 8,154,281 km (0.12 R)
• M31: 8,678,771 km (0.081 R)
• M32: 8,767,183 km (0.071 R)
• M33: 9,214,032 km (0.038 R)
• M34: 9,274,170 km (0.057 R)
• M35: 9,516,070 km (0.102 R)
• M36: 9,852,067 km (0.086 R)
• M37: 10,006,153 km (0.086 R)
• M38: 10,316,568 km (0.109 R)
• M39: 10,379,100 km (0.048 R)
• M40: 10,535,879 km (0.107 R)
• M41: 10,978,838 km (0.037 R)
• M42: 11,687,483 km (0.083 R)
• M43: 12,014,355 km (0.055 R)
• M44: 12,211,973 km (0.03 R)
• M45: 12,444,000 km (0.059 R)
• M46: 12,510,421 km (0.099 R)
• M47: 13,013,220 km (0.109 R)
• M48: 13,318,100 km (0.083 R)
• M49: 13,522,600 km (0.068 R)
• M50: 13,865,927 km (0.089 R)
• M51: 14,246,804 km (0.086 R)
• M52: 14,351,223 km (0.085 R)
• M53: 14,421,085 km (0.041 R)
• M54: 14,631,121 km (0.109 R)
• M55: 15,054,183 km (0.042 R)
• M56: 15,196,152 km (0.083 R)
• M57: 15,481,435 km (0.118 R)
• M58: 16,129,642 km (0.119 R)
• M59: 17,155,734 km (0.091 R)
• M60: 17,939,029 km (0.12 R)
• M61: 18,429,710 km (0.111 R)
• M62: 18,581,552 km (0.116 R)
• M63: 18,886,582 km (0.109 R)
• M64: 19,039,770 km (0.115 R)
• M65: 19,462,982 km (0.077 R)
• M66: 19,656,412 km (0.092 R)
• M67: 20,162,352 km (0.119 R)
• M68: 20,672,481 km (0.103 R)
• M69: 20,869,801 km (0.07 R)
• M70: 21,825,731 km (0.115 R)
• M71: 22,836,713 km (0.025 R)
• M72: 23,450,513 km (0.066 R)
• M73: 23,738,938 km (0.111 R)
• M74: 23,904,244 km (0.052 R)
• M75: 23,986,971 km (0.103 R)
• M76: 25,198,116 km (0.084 R)
• M77: 25,324,526 km (0.095 R)
• M78: 25,747,589 km (0.059 R)
• M79: 26,002,503 km (0.086 R)
• M80: 26,215,531 km (0.098 R)
• M81: 26,343,587 km (0.075 R)
• M82: 27,030,390 km (0.112 R)
• M83: 27,419,345 km (0.093 R)
• M84: 27,549,345 km (0.119 R)
• M85: 28,290,154 km (0.111 R)
• M86: 28,377,818 km (0.117 R)
• M87: 28,685,093 km (0.095 R)
• M88: 28,861,169 km (0.08 R)
• M89: 29,480,205 km (0.087 R)
• M90: 29,569,066 km (0.094 R)
• M91: 29,791,369 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.8

Radius: 13.5

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.75 AU - 7.33 AU

Year: 6140 Days

Day: 5.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 28,936,190 km

• M1: 186,249 km (0.07 R)
• M2: 340,634 km (0.049 R)
• M3: 501,602 km (0.114 R)
• M4: 649,105 km (0.114 R)
• M5: 797,207 km (0.107 R)
• M6: 1,235,379 km (0.039 R)
• M7: 1,333,815 km (0.106 R)
• M8: 1,539,362 km (0.093 R)
• M9: 1,777,971 km (0.078 R)
• M10: 1,901,838 km (0.114 R)
• M11: 2,017,178 km (0.079 R)
• M12: 2,328,341 km (0.061 R)
• M13: 2,477,341 km (0.09 R)
• M14: 2,591,185 km (0.058 R)
• M15: 2,956,952 km (0.101 R)
• M16: 3,146,193 km (0.073 R)
• M17: 3,423,547 km (0.088 R)
• M18: 3,738,002 km (0.094 R)
• M19: 3,928,290 km (0.069 R)
• M20: 4,121,870 km (0.118 R)
• M21: 4,426,003 km (0.078 R)
• M22: 5,023,945 km (0.104 R)
• M23: 5,153,198 km (0.043 R)
• M24: 5,815,916 km (0.069 R)
• M25: 6,628,981 km (0.034 R)
• M26: 6,967,970 km (0.049 R)
• M27: 7,294,392 km (0.064 R)
• M28: 7,533,150 km (0.09 R)
• M29: 8,037,594 km (0.075 R)
• M30: 9,039,900 km (0.108 R)
• M31: 9,197,576 km (0.034 R)
• M32: 9,575,909 km (0.098 R)
• M33: 9,938,983 km (0.047 R)
• M34: 10,163,081 km (0.081 R)
• M35: 10,512,841 km (0.048 R)
• M36: 11,607,149 km (0.046 R)
• M37: 12,737,660 km (0.081 R)
• M38: 13,248,836 km (0.091 R)
• M39: 13,360,885 km (0.101 R)
• M40: 13,495,673 km (0.107 R)
• M41: 14,985,518 km (0.036 R)
• M42: 15,501,481 km (0.116 R)
• M43: 15,596,027 km (0.119 R)
• M44: 15,714,359 km (0.114 R)
• M45: 15,928,134 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.5

Radius: 13.4

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.91 AU - 7.47 AU

Year: 6352 Days

Day: 13.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 28,936,190 km

• M1: 183,557 km (0.076 R)
• M2: 267,032 km (0.064 R)
• M3: 396,734 km (0.087 R)
• M4: 488,287 km (0.087 R)
• M5: 654,491 km (0.07 R)
• M6: 745,745 km (0.114 R)
• M7: 829,819 km (0.081 R)
• M8: 1,090,120 km (0.11 R)
• M9: 1,347,727 km (0.117 R)
• M10: 1,530,685 km (0.119 R)
• M11: 1,922,333 km (0.08 R)
• M12: 2,254,739 km (0.119 R)
• M13: 2,400,447 km (0.041 R)
• M14: 2,511,748 km (0.099 R)
• M15: 2,836,974 km (0.097 R)
• M16: 2,955,007 km (0.025 R)
• M17: 3,914,976 km (0.061 R)
• M18: 4,069,062 km (0.078 R)
• M19: 4,497,959 km (0.103 R)
• M20: 4,799,698 km (0.083 R)
• M21: 5,108,318 km (0.08 R)
• M22: 5,620,542 km (0.051 R)
• M23: 5,870,220 km (0.115 R)
• M24: 6,354,918 km (0.085 R)
• M25: 6,510,799 km (0.103 R)
• M26: 6,667,876 km (0.052 R)
• M27: 6,773,343 km (0.11 R)
• M28: 7,173,667 km (0.072 R)
• M29: 7,363,058 km (0.088 R)
• M30: 7,526,867 km (0.103 R)
• M31: 7,664,198 km (0.097 R)
• M32: 8,025,477 km (0.1 R)
• M33: 8,109,551 km (0.067 R)
• M34: 8,307,170 km (0.076 R)
• M35: 8,678,172 km (0.116 R)
• M36: 9,113,053 km (0.092 R)
• M37: 9,201,017 km (0.12 R)
• M38: 9,495,874 km (0.12 R)
• M39: 10,706,570 km (0.091 R)
• M40: 10,799,321 km (0.093 R)
• M41: 11,110,484 km (0.069 R)
• M42: 11,361,659 km (0.088 R)
• M43: 11,487,920 km (0.113 R)
• M44: 11,965,586 km (0.06 R)
• M45: 12,061,927 km (0.093 R)
• M46: 12,776,107 km (0.102 R)
• M47: 13,237,766 km (0.085 R)
• M48: 14,177,689 km (0.106 R)
• M49: 14,415,999 km (0.066 R)
• M50: 14,690,062 km (0.081 R)
• M51: 14,827,692 km (0.094 R)
• M52: 15,208,419 km (0.115 R)
• M53: 16,192,324 km (0.104 R)
• M54: 16,405,800 km (0.056 R)
• M55: 17,305,482 km (0.065 R)
• M56: 18,036,866 km (0.095 R)
• M57: 18,184,369 km (0.096 R)
• M58: 20,099,820 km (0.102 R)
• M59: 20,945,796 km (0.116 R)
• M60: 21,921,174 km (0.091 R)
• M61: 22,831,627 km (0.102 R)
• M62: 23,271,445 km (0.035 R)
• M63: 23,432,113 km (0.1 R)
• M64: 23,916,212 km (0.092 R)
• M65: 24,159,607 km (0.074 R)
• M66: 24,444,442 km (0.047 R)
• M67: 24,566,962 km (0.111 R)
• M68: 25,223,398 km (0.089 R)
• M69: 26,010,582 km (0.082 R)
• M70: 26,260,709 km (0.115 R)
• M71: 26,511,735 km (0.072 R)
• M72: 27,142,888 km (0.116 R)
• M73: 28,248,416 km (0.03 R)
• M74: 28,849,949 km (0.114 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 15,581 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit