🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.7 AU - 0.9 AU

Year: 300 Days

Day: 18.2 Hours

Environment

Temp: -10 °C

Axial Tilt: 31 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.54 AU - 2.2 AU

Year: 1071 Days

Day: 27.3 Hours

Environment

Temp: -105 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 35,115,695 km

• M1: 137,780 km (0.084 R)
• M2: 500,554 km (0.102 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.9 AU - 2.88 AU

Year: 1548 Days

Day: 33.9 Hours

Environment

Temp: -121 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,115,695 km

• M1: 114,742 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.33 AU - 3.49 AU

Year: 2080 Days

Day: 34.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,115,695 km

• M1: 1,060,948 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713

Radius: 13.2

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.13 AU - 3.19 AU

Year: 2353 Days

Day: 14.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 35,115,695 km

• M1: 168,746 km (0.086 R)
• M2: 305,479 km (0.094 R)
• M3: 420,520 km (0.07 R)
• M4: 667,954 km (0.116 R)
• M5: 797,506 km (0.12 R)
• M6: 917,633 km (0.097 R)
• M7: 1,014,573 km (0.111 R)
• M8: 1,251,835 km (0.116 R)
• M9: 1,565,691 km (0.083 R)
• M10: 1,672,205 km (0.112 R)
• M11: 1,793,379 km (0.118 R)
• M12: 1,942,977 km (0.09 R)
• M13: 2,254,889 km (0.099 R)
• M14: 2,472,105 km (0.108 R)
• M15: 2,782,072 km (0.087 R)
• M16: 2,898,010 km (0.104 R)
• M17: 3,000,784 km (0.037 R)
• M18: 3,119,714 km (0.051 R)
• M19: 3,286,067 km (0.111 R)
• M20: 3,393,478 km (0.067 R)
• M21: 3,580,326 km (0.084 R)
• M22: 3,818,785 km (0.056 R)
• M23: 4,128,452 km (0.112 R)
• M24: 4,261,295 km (0.053 R)
• M25: 4,480,307 km (0.108 R)
• M26: 4,668,501 km (0.117 R)
• M27: 4,772,322 km (0.083 R)
• M28: 5,052,967 km (0.113 R)
• M29: 5,159,631 km (0.106 R)
• M30: 5,321,196 km (0.081 R)
• M31: 5,520,760 km (0.116 R)
• M32: 5,630,714 km (0.113 R)
• M33: 6,096,712 km (0.107 R)
• M34: 6,305,700 km (0.079 R)
• M35: 6,868,188 km (0.113 R)
• M36: 7,125,646 km (0.091 R)
• M37: 7,305,762 km (0.078 R)
• M38: 7,507,719 km (0.084 R)
• M39: 7,731,966 km (0.075 R)
• M40: 8,166,398 km (0.047 R)
• M41: 8,608,759 km (0.062 R)
• M42: 8,865,020 km (0.114 R)
• M43: 9,145,666 km (0.073 R)
• M44: 9,407,163 km (0.058 R)
• M45: 9,893,206 km (0.089 R)
• M46: 10,866,789 km (0.06 R)
• M47: 12,444,299 km (0.119 R)
• M48: 12,637,430 km (0.076 R)
• M49: 12,880,227 km (0.111 R)
• M50: 13,543,544 km (0.109 R)
• M51: 13,966,906 km (0.102 R)
• M52: 14,167,666 km (0.064 R)
• M53: 14,268,495 km (0.086 R)
• M54: 14,369,474 km (0.113 R)
• M55: 14,622,893 km (0.079 R)
• M56: 15,677,857 km (0.113 R)
• M57: 15,912,726 km (0.105 R)
• M58: 16,122,462 km (0.11 R)
• M59: 16,385,904 km (0.092 R)
• M60: 16,730,577 km (0.066 R)
• M61: 17,050,866 km (0.053 R)
• M62: 17,319,394 km (0.051 R)
• M63: 17,508,037 km (0.118 R)
• M64: 17,778,959 km (0.101 R)
• M65: 18,078,454 km (0.03 R)
• M66: 18,187,810 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.4

Radius: 9.5

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.88 AU - 3.92 AU

Year: 2627 Days

Day: 5.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 35,115,695 km

• M1: 123,119 km (0.113 R)
• M2: 204,051 km (0.069 R)
• M3: 264,339 km (0.11 R)
• M4: 330,013 km (0.106 R)
• M5: 403,316 km (0.073 R)
• M6: 639,082 km (0.109 R)
• M7: 904,319 km (0.093 R)
• M8: 1,078,750 km (0.096 R)
• M9: 1,295,069 km (0.055 R)
• M10: 1,404,574 km (0.099 R)
• M11: 1,501,065 km (0.102 R)
• M12: 1,574,966 km (0.084 R)
• M13: 1,641,687 km (0.103 R)
• M14: 2,098,858 km (0.119 R)
• M15: 2,163,335 km (0.06 R)
• M16: 2,266,109 km (0.107 R)
• M17: 2,341,955 km (0.108 R)
• M18: 2,437,847 km (0.085 R)
• M19: 2,804,511 km (0.028 R)
• M20: 2,989,265 km (0.092 R)
• M21: 3,104,305 km (0.085 R)
• M22: 3,199,300 km (0.085 R)
• M23: 3,338,576 km (0.079 R)
• M24: 3,556,540 km (0.114 R)
• M25: 4,168,545 km (0.099 R)
• M26: 4,367,959 km (0.1 R)
• M27: 4,739,859 km (0.092 R)
• M28: 5,733,189 km (0.091 R)
• M29: 5,850,474 km (0.099 R)
• M30: 6,220,130 km (0.052 R)
• M31: 6,354,020 km (0.119 R)
• M32: 6,940,892 km (0.086 R)
• M33: 7,289,904 km (0.074 R)
• M34: 7,431,274 km (0.117 R)
• M35: 7,630,539 km (0.087 R)
• M36: 7,702,196 km (0.107 R)
• M37: 8,078,135 km (0.032 R)
• M38: 8,209,782 km (0.096 R)
• M39: 8,683,259 km (0.088 R)
• M40: 8,743,098 km (0.066 R)
• M41: 9,014,020 km (0.091 R)
• M42: 9,318,302 km (0.066 R)
• M43: 10,156,798 km (0.096 R)
• M44: 10,553,083 km (0.119 R)
• M45: 10,809,493 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.6

Radius: 10.9

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.2 AU - 4.42 AU

Year: 3116 Days

Day: 11.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 35,115,695 km

• M1: 173,833 km (0.065 R)
• M2: 273,914 km (0.074 R)
• M3: 370,853 km (0.097 R)
• M4: 449,691 km (0.099 R)
• M5: 544,985 km (0.108 R)
• M6: 717,920 km (0.034 R)
• M7: 1,012,628 km (0.071 R)
• M8: 1,083,388 km (0.075 R)
• M9: 1,384,079 km (0.112 R)
• M10: 1,898,846 km (0.085 R)
• M11: 2,715,650 km (0.12 R)
• M12: 2,816,479 km (0.074 R)
• M13: 3,004,374 km (0.104 R)
• M14: 3,447,184 km (0.05 R)
• M15: 3,722,743 km (0.085 R)
• M16: 4,101,525 km (0.11 R)
• M17: 4,198,165 km (0.048 R)
• M18: 4,334,748 km (0.096 R)
• M19: 4,413,436 km (0.111 R)
• M20: 4,532,516 km (0.106 R)
• M21: 4,632,448 km (0.112 R)
• M22: 4,875,544 km (0.058 R)
• M23: 5,122,829 km (0.092 R)
• M24: 5,289,930 km (0.086 R)
• M25: 5,501,462 km (0.034 R)
• M26: 5,954,743 km (0.09 R)
• M27: 6,510,200 km (0.084 R)
• M28: 6,805,656 km (0.098 R)
• M29: 7,245,324 km (0.108 R)
• M30: 7,551,551 km (0.112 R)
• M31: 8,030,862 km (0.102 R)
• M32: 8,644,064 km (0.063 R)
• M33: 8,818,495 km (0.072 R)
• M34: 9,399,683 km (0.115 R)
• M35: 9,502,158 km (0.107 R)
• M36: 10,866,490 km (0.075 R)
• M37: 11,135,766 km (0.111 R)
• M38: 11,598,772 km (0.038 R)
• M39: 11,736,252 km (0.119 R)
• M40: 11,846,506 km (0.102 R)
• M41: 12,179,511 km (0.103 R)
• M42: 12,375,185 km (0.084 R)
• M43: 12,571,906 km (0.076 R)
• M44: 12,713,126 km (0.102 R)
• M45: 12,968,490 km (0.087 R)
• M46: 13,225,649 km (0.111 R)
• M47: 13,426,858 km (0.118 R)
• M48: 13,542,198 km (0.117 R)
• M49: 13,977,976 km (0.12 R)
• M50: 14,625,436 km (0.066 R)
• M51: 14,833,526 km (0.065 R)
• M52: 15,132,423 km (0.101 R)
• M53: 15,372,976 km (0.11 R)
• M54: 15,919,009 km (0.045 R)
• M55: 16,163,601 km (0.085 R)
• M56: 16,843,075 km (0.061 R)
• M57: 17,123,571 km (0.089 R)
• M58: 17,500,258 km (0.097 R)
• M59: 17,879,489 km (0.046 R)
• M60: 18,165,819 km (0.097 R)
• M61: 18,614,164 km (0.108 R)
• M62: 18,775,131 km (0.081 R)
• M63: 19,163,487 km (0.082 R)
• M64: 19,456,400 km (0.092 R)
• M65: 19,619,910 km (0.085 R)
• M66: 19,948,128 km (0.113 R)
• M67: 20,576,589 km (0.107 R)
• M68: 20,676,520 km (0.093 R)
• M69: 22,159,484 km (0.113 R)
• M70: 22,295,917 km (0.07 R)
• M71: 22,569,831 km (0.066 R)
• M72: 22,741,569 km (0.046 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108

Radius: 11.1

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.91 AU - 5.41 AU

Year: 4215 Days

Day: 10.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 35,115,695 km

• M1: 213,027 km (0.093 R)
• M2: 318,943 km (0.054 R)
• M3: 440,117 km (0.113 R)
• M4: 594,053 km (0.075 R)
• M5: 877,242 km (0.086 R)
• M6: 1,202,617 km (0.113 R)
• M7: 1,486,105 km (0.108 R)
• M8: 1,656,348 km (0.12 R)
• M9: 1,738,776 km (0.099 R)
• M10: 1,994,738 km (0.065 R)
• M11: 2,436,501 km (0.084 R)
• M12: 3,034,443 km (0.093 R)
• M13: 3,304,467 km (0.092 R)
• M14: 3,609,198 km (0.084 R)
• M15: 3,868,003 km (0.086 R)
• M16: 3,951,029 km (0.107 R)
• M17: 4,389,351 km (0.103 R)
• M18: 4,917,880 km (0.118 R)
• M19: 5,008,088 km (0.058 R)
• M20: 5,144,222 km (0.081 R)
• M21: 5,235,626 km (0.053 R)
• M22: 5,638,493 km (0.087 R)
• M23: 5,717,032 km (0.094 R)
• M24: 5,811,877 km (0.093 R)
• M25: 5,923,178 km (0.105 R)
• M26: 6,196,493 km (0.106 R)
• M27: 6,408,324 km (0.117 R)
• M28: 8,727,540 km (0.079 R)
• M29: 9,334,907 km (0.042 R)
• M30: 9,484,355 km (0.116 R)
• M31: 9,596,853 km (0.119 R)
• M32: 9,880,042 km (0.082 R)
• M33: 10,089,628 km (0.083 R)
• M34: 10,610,079 km (0.104 R)
• M35: 10,726,915 km (0.071 R)
• M36: 11,060,369 km (0.029 R)
• M37: 11,139,357 km (0.088 R)
• M38: 11,777,840 km (0.089 R)
• M39: 11,979,797 km (0.1 R)
• M40: 12,448,637 km (0.12 R)
• M41: 12,736,912 km (0.103 R)
• M42: 12,965,049 km (0.1 R)
• M43: 13,069,319 km (0.101 R)
• M44: 13,320,344 km (0.063 R)
• M45: 13,636,444 km (0.096 R)
• M46: 14,104,536 km (0.051 R)
• M47: 14,211,648 km (0.028 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.5

Radius: 11.5

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.04 AU - 7.44 AU

Year: 6531 Days

Day: 7.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 35,115,695 km

• M1: 178,021 km (0.099 R)
• M2: 324,777 km (0.082 R)
• M3: 465,848 km (0.05 R)
• M4: 594,053 km (0.08 R)
• M5: 1,282,353 km (0.081 R)
• M6: 1,688,661 km (0.07 R)
• M7: 1,763,310 km (0.091 R)
• M8: 1,935,946 km (0.067 R)
• M9: 2,154,509 km (0.057 R)
• M10: 2,236,039 km (0.114 R)
• M11: 2,402,243 km (0.075 R)
• M12: 2,703,234 km (0.065 R)
• M13: 3,062,268 km (0.109 R)
• M14: 3,484,583 km (0.068 R)
• M15: 3,727,231 km (0.068 R)
• M16: 3,875,482 km (0.052 R)
• M17: 3,975,563 km (0.084 R)
• M18: 4,332,354 km (0.099 R)
• M19: 4,514,565 km (0.063 R)
• M20: 4,619,881 km (0.113 R)
• M21: 4,726,096 km (0.12 R)
• M22: 5,352,462 km (0.087 R)
• M23: 6,179,290 km (0.112 R)
• M24: 6,355,366 km (0.093 R)
• M25: 6,682,537 km (0.088 R)
• M26: 6,772,744 km (0.117 R)
• M27: 7,045,910 km (0.089 R)
• M28: 7,353,483 km (0.082 R)
• M29: 7,477,799 km (0.118 R)
• M30: 7,665,694 km (0.104 R)
• M31: 7,855,085 km (0.075 R)
• M32: 8,014,108 km (0.102 R)
• M33: 8,464,996 km (0.056 R)
• M34: 8,759,255 km (0.086 R)
• M35: 9,190,246 km (0.106 R)
• M36: 9,391,605 km (0.075 R)
• M37: 10,735,442 km (0.111 R)
• M38: 11,773,352 km (0.08 R)
• M39: 11,955,563 km (0.09 R)
• M40: 12,359,626 km (0.038 R)
• M41: 12,619,179 km (0.062 R)
• M42: 14,136,550 km (0.059 R)
• M43: 14,214,042 km (0.096 R)
• M44: 14,369,175 km (0.076 R)
• M45: 14,838,164 km (0.049 R)
• M46: 15,074,529 km (0.055 R)
• M47: 15,153,516 km (0.115 R)
• M48: 15,511,205 km (0.075 R)
• M49: 15,791,102 km (0.08 R)
• M50: 16,763,937 km (0.104 R)
• M51: 17,051,315 km (0.105 R)
• M52: 17,464,654 km (0.071 R)
• M53: 17,756,070 km (0.114 R)
• M54: 18,301,355 km (0.098 R)
• M55: 18,639,745 km (0.102 R)
• M56: 19,322,659 km (0.094 R)
• M57: 19,710,417 km (0.066 R)
• M58: 20,274,999 km (0.103 R)
• M59: 20,406,197 km (0.039 R)
• M60: 20,757,004 km (0.058 R)
• M61: 20,933,230 km (0.054 R)
• M62: 21,464,751 km (0.108 R)
• M63: 22,405,572 km (0.09 R)
• M64: 24,142,254 km (0.101 R)
• M65: 24,653,131 km (0.049 R)
• M66: 24,793,005 km (0.079 R)
• M67: 25,026,826 km (0.047 R)
• M68: 25,308,369 km (0.062 R)
• M69: 26,444,864 km (0.102 R)
• M70: 26,635,901 km (0.064 R)
• M71: 26,779,515 km (0.036 R)
• M72: 28,473,860 km (0.025 R)
• M73: 28,620,616 km (0.082 R)
• M74: 30,053,015 km (0.104 R)
• M75: 31,155,103 km (0.103 R)
• M76: 31,255,932 km (0.12 R)
• M77: 31,508,603 km (0.09 R)
• M78: 31,863,449 km (0.091 R)
• M79: 32,423,543 km (0.113 R)
• M80: 33,812,410 km (0.05 R)
• M81: 34,071,813 km (0.049 R)
• M82: 35,063,198 km (0.092 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 12,783 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit