🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.94 AU - 1.46 AU

Year: 483 Days

Day: 18.8 Hours

Environment

Temp: -10 °C

Axial Tilt: 35.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.35 AU - 1.77 AU

Year: 715 Days

Day: 12 Hours

Environment

Temp: -45 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.9 AU - 3.02 AU

Year: 1416 Days

Day: 25.8 Hours

Environment

Temp: -81 °C

Axial Tilt: 5.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.14 AU - 2.88 AU

Year: 1460 Days

Day: 22.3 Hours

Environment

Temp: -97 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.34 AU - 4.58 AU

Year: 2893 Days

Day: 35.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.52 AU - 4.58 AU

Year: 2992 Days

Day: 43 Hours

Environment

Temp: -135 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 38,831,889 km

• M1: 1,346,530 km (0.099 R)
• M2: 3,214,709 km (0.054 R)

Asteroid Belt

Center: 4.43 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.7

Radius: 13

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.72 AU - 5.88 AU

Year: 3860 Days

Day: 6.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 38,831,889 km

• M1: 173,683 km (0.069 R)
• M2: 270,024 km (0.087 R)
• M3: 408,402 km (0.061 R)
• M4: 495,019 km (0.1 R)
• M5: 768,484 km (0.064 R)
• M6: 1,015,770 km (0.092 R)
• M7: 1,289,982 km (0.105 R)
• M8: 1,677,890 km (0.099 R)
• M9: 2,507,560 km (0.102 R)
• M10: 2,701,887 km (0.092 R)
• M11: 3,143,051 km (0.111 R)
• M12: 3,237,896 km (0.047 R)
• M13: 3,786,920 km (0.084 R)
• M14: 4,072,503 km (0.118 R)
• M15: 4,322,930 km (0.11 R)
• M16: 4,708,294 km (0.069 R)
• M17: 5,037,858 km (0.065 R)
• M18: 5,489,195 km (0.116 R)
• M19: 5,719,875 km (0.077 R)
• M20: 6,000,819 km (0.093 R)
• M21: 6,119,301 km (0.102 R)
• M22: 6,600,856 km (0.105 R)
• M23: 7,019,880 km (0.116 R)
• M24: 7,144,944 km (0.115 R)
• M25: 7,498,593 km (0.077 R)
• M26: 7,729,124 km (0.072 R)
• M27: 8,302,383 km (0.064 R)
• M28: 8,620,876 km (0.097 R)
• M29: 9,106,322 km (0.105 R)
• M30: 9,297,508 km (0.101 R)
• M31: 9,600,593 km (0.104 R)
• M32: 9,711,595 km (0.084 R)
• M33: 10,047,292 km (0.083 R)
• M34: 10,415,453 km (0.077 R)
• M35: 10,990,208 km (0.111 R)
• M36: 11,077,423 km (0.051 R)
• M37: 11,693,766 km (0.084 R)
• M38: 12,051,006 km (0.096 R)
• M39: 12,411,986 km (0.111 R)
• M40: 12,929,295 km (0.117 R)
• M41: 13,144,417 km (0.118 R)
• M42: 13,267,835 km (0.102 R)
• M43: 13,391,702 km (0.114 R)
• M44: 13,796,813 km (0.102 R)
• M45: 14,174,398 km (0.102 R)
• M46: 14,269,393 km (0.109 R)
• M47: 14,555,424 km (0.078 R)
• M48: 14,779,222 km (0.109 R)
• M49: 15,230,260 km (0.062 R)
• M50: 15,948,330 km (0.06 R)
• M51: 16,113,037 km (0.109 R)
• M52: 16,411,036 km (0.079 R)
• M53: 16,911,590 km (0.093 R)
• M54: 17,791,226 km (0.105 R)
• M55: 17,927,958 km (0.11 R)
• M56: 19,454,305 km (0.113 R)
• M57: 20,126,150 km (0.073 R)
• M58: 20,304,321 km (0.062 R)
• M59: 20,554,448 km (0.064 R)
• M60: 21,057,995 km (0.029 R)
• M61: 21,166,453 km (0.091 R)
• M62: 21,311,264 km (0.094 R)
• M63: 22,040,553 km (0.042 R)
• M64: 22,445,066 km (0.058 R)
• M65: 22,815,022 km (0.065 R)
• M66: 22,963,572 km (0.12 R)
• M67: 23,336,370 km (0.097 R)
• M68: 23,786,361 km (0.053 R)
• M69: 23,899,307 km (0.102 R)
• M70: 24,163,646 km (0.088 R)
• M71: 24,466,732 km (0.058 R)
• M72: 24,618,873 km (0.107 R)
• M73: 24,809,311 km (0.089 R)
• M74: 25,499,256 km (0.072 R)
• M75: 25,846,623 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.4

Radius: 12.9

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.99 AU - 7.23 AU

Year: 6238 Days

Day: 8.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 38,831,889 km

• M1: 173,683 km (0.11 R)
• M2: 317,147 km (0.117 R)
• M3: 405,261 km (0.1 R)
• M4: 682,765 km (0.038 R)
• M5: 794,514 km (0.115 R)
• M6: 1,022,501 km (0.116 R)
• M7: 1,103,434 km (0.073 R)
• M8: 1,432,699 km (0.098 R)
• M9: 1,524,552 km (0.099 R)
• M10: 2,246,362 km (0.058 R)
• M11: 2,398,203 km (0.116 R)
• M12: 2,758,286 km (0.086 R)
• M13: 3,087,700 km (0.085 R)
• M14: 3,257,194 km (0.086 R)
• M15: 3,479,946 km (0.091 R)
• M16: 3,631,189 km (0.086 R)
• M17: 4,098,084 km (0.109 R)
• M18: 4,231,376 km (0.093 R)
• M19: 4,584,427 km (0.058 R)
• M20: 5,203,762 km (0.068 R)
• M21: 5,611,865 km (0.109 R)
• M22: 5,849,726 km (0.082 R)
• M23: 6,960,939 km (0.07 R)
• M24: 7,216,751 km (0.079 R)
• M25: 7,969,527 km (0.106 R)
• M26: 8,237,158 km (0.068 R)
• M27: 9,232,582 km (0.105 R)
• M28: 9,941,078 km (0.072 R)
• M29: 10,484,118 km (0.118 R)
• M30: 10,740,828 km (0.11 R)
• M31: 11,111,232 km (0.107 R)
• M32: 11,485,676 km (0.025 R)
• M33: 12,093,791 km (0.06 R)
• M34: 12,247,428 km (0.107 R)
• M35: 12,479,155 km (0.109 R)
• M36: 12,634,288 km (0.081 R)
• M37: 13,420,425 km (0.088 R)
• M38: 13,539,654 km (0.06 R)
• M39: 14,181,878 km (0.101 R)
• M40: 14,303,352 km (0.109 R)
• M41: 14,425,124 km (0.082 R)
• M42: 14,792,836 km (0.102 R)
• M43: 15,122,250 km (0.113 R)
• M44: 16,082,968 km (0.109 R)
• M45: 16,934,329 km (0.089 R)
• M46: 17,235,769 km (0.082 R)
• M47: 17,931,399 km (0.043 R)
• M48: 18,459,180 km (0.065 R)
• M49: 18,769,446 km (0.081 R)
• M50: 19,036,778 km (0.105 R)
• M51: 19,305,456 km (0.074 R)
• M52: 19,395,214 km (0.096 R)
• M53: 19,530,301 km (0.115 R)
• M54: 20,118,819 km (0.086 R)
• M55: 20,255,402 km (0.054 R)
• M56: 20,713,172 km (0.101 R)
• M57: 21,685,558 km (0.1 R)
• M58: 23,195,748 km (0.07 R)
• M59: 23,386,934 km (0.114 R)
• M60: 23,578,569 km (0.105 R)
• M61: 24,302,024 km (0.077 R)
• M62: 25,081,878 km (0.075 R)
• M63: 25,228,933 km (0.118 R)
• M64: 25,672,042 km (0.063 R)
• M65: 26,167,360 km (0.119 R)
• M66: 26,866,282 km (0.092 R)
• M67: 27,318,815 km (0.034 R)
• M68: 27,520,623 km (0.081 R)
• M69: 27,875,170 km (0.089 R)
• M70: 29,567,122 km (0.073 R)
• M71: 30,346,975 km (0.112 R)
• M72: 30,975,885 km (0.109 R)
• M73: 31,186,519 km (0.088 R)
• M74: 32,140,055 km (0.081 R)
• M75: 33,372,293 km (0.057 R)
• M76: 33,804,631 km (0.103 R)
• M77: 34,783,899 km (0.073 R)
• M78: 35,662,337 km (0.085 R)
• M79: 36,547,957 km (0.107 R)
• M80: 36,714,908 km (0.081 R)
• M81: 36,993,609 km (0.12 R)
• M82: 37,497,005 km (0.073 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.9

Radius: 11.7

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 6.66 AU - 6.76 AU

Year: 6381 Days

Day: 7 Hours

Environment

Temp: -158 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 38,831,889 km

• M1: 152,291 km (0.104 R)
• M2: 281,842 km (0.1 R)
• M3: 477,816 km (0.069 R)
• M4: 570,865 km (0.076 R)
• M5: 912,248 km (0.038 R)
• M6: 1,033,123 km (0.043 R)
• M7: 1,117,047 km (0.05 R)
• M8: 1,258,567 km (0.062 R)
• M9: 1,348,774 km (0.099 R)
• M10: 1,657,544 km (0.034 R)
• M11: 1,989,203 km (0.072 R)
• M12: 2,203,876 km (0.116 R)
• M13: 2,341,955 km (0.118 R)
• M14: 2,468,814 km (0.11 R)
• M15: 2,700,092 km (0.1 R)
• M16: 3,075,732 km (0.084 R)
• M17: 3,581,074 km (0.075 R)
• M18: 3,910,189 km (0.067 R)
• M19: 4,370,203 km (0.112 R)
• M20: 4,740,009 km (0.117 R)
• M21: 5,211,840 km (0.098 R)
• M22: 5,434,891 km (0.108 R)
• M23: 5,566,387 km (0.084 R)
• M24: 5,832,671 km (0.045 R)
• M25: 5,928,713 km (0.098 R)
• M26: 6,025,353 km (0.025 R)
• M27: 6,122,592 km (0.067 R)
• M28: 6,200,682 km (0.031 R)
• M29: 6,837,819 km (0.036 R)
• M30: 7,020,778 km (0.097 R)
• M31: 7,184,887 km (0.107 R)
• M32: 7,267,315 km (0.071 R)
• M33: 7,370,837 km (0.094 R)
• M34: 7,790,010 km (0.097 R)
• M35: 8,045,373 km (0.059 R)
• M36: 8,195,570 km (0.113 R)
• M37: 8,476,963 km (0.085 R)
• M38: 8,695,675 km (0.111 R)
• M39: 9,475,679 km (0.073 R)
• M40: 9,816,911 km (0.118 R)
• M41: 9,954,542 km (0.106 R)
• M42: 10,464,521 km (0.059 R)
• M43: 10,911,968 km (0.116 R)
• M44: 11,317,677 km (0.092 R)
• M45: 11,728,323 km (0.069 R)
• M46: 12,070,155 km (0.117 R)
• M47: 12,143,906 km (0.097 R)
• M48: 12,217,658 km (0.055 R)
• M49: 12,390,593 km (0.088 R)
• M50: 12,738,707 km (0.051 R)
• M51: 13,343,083 km (0.087 R)
• M52: 13,572,267 km (0.112 R)
• M53: 13,674,442 km (0.109 R)
• M54: 14,241,268 km (0.049 R)
• M55: 14,947,520 km (0.112 R)
• M56: 15,960,896 km (0.105 R)
• M57: 16,366,905 km (0.103 R)
• M58: 16,694,225 km (0.107 R)
• M59: 16,776,354 km (0.116 R)
• M60: 16,886,159 km (0.119 R)
• M61: 17,244,595 km (0.104 R)
• M62: 17,577,750 km (0.106 R)
• M63: 17,997,073 km (0.081 R)
• M64: 18,363,288 km (0.108 R)
• M65: 18,788,745 km (0.062 R)
• M66: 19,246,215 km (0.092 R)

Planet 10 - Gas Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377

Radius: 9.5

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 8.05 AU - 9.85 AU

Year: 9829 Days

Day: 14 Hours

Environment

Temp: -170 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 38,831,889 km

• M1: 119,379 km (0.04 R)
• M2: 299,495 km (0.077 R)
• M3: 382,522 km (0.059 R)
• M4: 897,438 km (0.093 R)
• M5: 1,549,834 km (0.036 R)
• M6: 1,687,314 km (0.049 R)
• M7: 1,911,861 km (0.078 R)
• M8: 2,189,664 km (0.108 R)
• M9: 2,389,676 km (0.108 R)
• M10: 2,457,743 km (0.107 R)
• M11: 2,642,497 km (0.055 R)
• M12: 2,903,844 km (0.117 R)
• M13: 3,173,719 km (0.108 R)
• M14: 3,503,133 km (0.086 R)
• M15: 3,606,805 km (0.119 R)
• M16: 3,870,396 km (0.113 R)
• M17: 4,222,400 km (0.096 R)
• M18: 4,388,454 km (0.094 R)
• M19: 4,528,477 km (0.083 R)
• M20: 4,755,567 km (0.116 R)
• M21: 4,870,458 km (0.074 R)
• M22: 5,103,232 km (0.111 R)
• M23: 5,250,586 km (0.082 R)
• M24: 5,579,701 km (0.099 R)
• M25: 5,762,061 km (0.039 R)
• M26: 6,101,648 km (0.046 R)
• M27: 6,962,435 km (0.112 R)
• M28: 7,423,794 km (0.116 R)
• M29: 7,725,683 km (0.095 R)
• M30: 9,151,051 km (0.065 R)
• M31: 9,547,037 km (0.106 R)
• M32: 9,765,450 km (0.09 R)
• M33: 9,948,857 km (0.077 R)
• M34: 10,133,161 km (0.06 R)
• M35: 10,244,462 km (0.059 R)
• M36: 10,468,111 km (0.074 R)
• M37: 10,542,910 km (0.117 R)
• M38: 10,920,196 km (0.06 R)
• M39: 12,039,188 km (0.12 R)
• M40: 12,196,266 km (0.08 R)
• M41: 13,234,624 km (0.091 R)
• M42: 13,764,500 km (0.104 R)
• M43: 14,011,337 km (0.098 R)
• M44: 14,176,792 km (0.096 R)
• M45: 15,480,388 km (0.103 R)
• M46: 16,909,945 km (0.058 R)
• M47: 17,351,408 km (0.107 R)
• M48: 17,841,491 km (0.074 R)
• M49: 18,744,015 km (0.03 R)
• M50: 19,063,556 km (0.081 R)
• M51: 20,079,176 km (0.04 R)
• M52: 20,172,375 km (0.094 R)
• M53: 20,265,724 km (0.078 R)
• M54: 20,546,520 km (0.065 R)
• M55: 21,064,876 km (0.092 R)
• M56: 21,349,411 km (0.107 R)
• M57: 22,355,457 km (0.117 R)
• M58: 22,791,385 km (0.111 R)
• M59: 23,573,034 km (0.061 R)
• M60: 23,917,857 km (0.115 R)
• M61: 24,762,188 km (0.088 R)
• M62: 25,515,263 km (0.101 R)
• M63: 26,480,020 km (0.114 R)
• M64: 26,582,345 km (0.09 R)
• M65: 27,095,466 km (0.096 R)
• M66: 27,923,340 km (0.074 R)
• M67: 28,392,778 km (0.103 R)
• M68: 29,498,007 km (0.085 R)
• M69: 30,189,299 km (0.057 R)
• M70: 30,349,518 km (0.109 R)
• M71: 30,939,682 km (0.111 R)
• M72: 31,479,431 km (0.118 R)
• M73: 32,568,354 km (0.114 R)
• M74: 33,007,424 km (0.106 R)
• M75: 34,447,602 km (0.119 R)
• M76: 34,894,900 km (0.075 R)
• M77: 35,063,198 km (0.085 R)
• M78: 35,456,790 km (0.11 R)
• M79: 38,021,795 km (0.104 R)
• M80: 38,426,158 km (0.039 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 14,359 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit