🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.67 AU - 0.75 AU

Year: 230 Days

Day: 20.7 Hours

Environment

Temp: 147 °C

Axial Tilt: 15 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 37,449,739 km

• M1: 360,232 km (0.057 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.93 AU - 1.01 AU

Year: 368 Days

Day: 16.1 Hours

Environment

Temp: 1 °C

Axial Tilt: 41.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.99 AU - 1.29 AU

Year: 469 Days

Day: 13.6 Hours

Environment

Temp: -26 °C

Axial Tilt: 10.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 37,449,739 km

• M1: 570,117 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.37 AU - 1.57 AU

Year: 686 Days

Day: 24.4 Hours

Environment

Temp: -58 °C

Axial Tilt: 43.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.62 AU - 2.68 AU

Year: 1661 Days

Day: 21.1 Hours

Environment

Temp: -118 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.5

Radius: 10

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 5.9 AU - 6.18 AU

Year: 5715 Days

Day: 14.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 37,449,739 km

• M1: 196,871 km (0.089 R)
• M2: 312,360 km (0.043 R)
• M3: 410,796 km (0.079 R)
• M4: 521,947 km (0.065 R)
• M5: 632,949 km (0.047 R)
• M6: 740,509 km (0.071 R)
• M7: 854,653 km (0.059 R)
• M8: 934,388 km (0.084 R)
• M9: 1,189,004 km (0.051 R)
• M10: 1,309,580 km (0.106 R)
• M11: 2,026,303 km (0.078 R)
• M12: 2,153,312 km (0.108 R)
• M13: 2,320,413 km (0.094 R)
• M14: 2,472,703 km (0.08 R)
• M15: 2,569,643 km (0.057 R)
• M16: 2,929,126 km (0.052 R)
• M17: 3,219,795 km (0.109 R)
• M18: 3,454,963 km (0.066 R)
• M19: 3,806,817 km (0.088 R)
• M20: 4,239,753 km (0.084 R)
• M21: 4,356,440 km (0.114 R)
• M22: 4,450,387 km (0.107 R)
• M23: 4,760,803 km (0.087 R)
• M24: 4,833,507 km (0.116 R)
• M25: 5,078,249 km (0.033 R)
• M26: 5,554,569 km (0.086 R)
• M27: 6,309,290 km (0.102 R)
• M28: 6,523,215 km (0.118 R)
• M29: 7,013,148 km (0.104 R)
• M30: 7,179,202 km (0.115 R)
• M31: 7,318,477 km (0.08 R)
• M32: 8,144,258 km (0.055 R)
• M33: 8,435,824 km (0.104 R)
• M34: 8,730,981 km (0.105 R)
• M35: 9,270,580 km (0.12 R)
• M36: 9,513,976 km (0.115 R)
• M37: 10,287,995 km (0.04 R)
• M38: 10,635,062 km (0.05 R)
• M39: 10,794,085 km (0.092 R)
• M40: 11,600,866 km (0.055 R)
• M41: 12,227,083 km (0.076 R)
• M42: 12,494,115 km (0.087 R)
• M43: 12,561,135 km (0.047 R)
• M44: 12,763,092 km (0.072 R)
• M45: 12,931,988 km (0.117 R)
• M46: 13,546,835 km (0.101 R)
• M47: 13,650,207 km (0.072 R)
• M48: 13,857,700 km (0.114 R)
• M49: 14,170,957 km (0.109 R)
• M50: 14,240,969 km (0.092 R)
• M51: 14,381,143 km (0.118 R)
• M52: 15,303,862 km (0.09 R)
• M53: 15,483,529 km (0.069 R)
• M54: 16,026,569 km (0.035 R)
• M55: 16,982,799 km (0.072 R)
• M56: 17,168,749 km (0.118 R)
• M57: 17,693,239 km (0.085 R)
• M58: 18,108,972 km (0.091 R)
• M59: 18,298,961 km (0.095 R)
• M60: 18,681,034 km (0.098 R)
• M61: 19,027,204 km (0.068 R)
• M62: 19,143,142 km (0.043 R)
• M63: 19,530,900 km (0.12 R)
• M64: 20,948,639 km (0.104 R)
• M65: 21,388,456 km (0.05 R)
• M66: 21,508,883 km (0.12 R)
• M67: 21,710,241 km (0.115 R)
• M68: 21,831,266 km (0.088 R)
• M69: 22,358,599 km (0.083 R)
• M70: 22,972,249 km (0.11 R)
• M71: 23,136,807 km (0.117 R)
• M72: 24,551,404 km (0.115 R)
• M73: 25,057,344 km (0.078 R)
• M74: 26,294,219 km (0.115 R)
• M75: 26,985,212 km (0.07 R)
• M76: 27,594,674 km (0.115 R)
• M77: 27,857,218 km (0.081 R)
• M78: 28,605,806 km (0.08 R)
• M79: 29,316,396 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.3

Radius: 10.3

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.57 AU - 6.85 AU

Year: 6692 Days

Day: 13.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 37,449,739 km

• M1: 128,804 km (0.081 R)
• M2: 199,115 km (0.108 R)
• M3: 278,850 km (0.113 R)
• M4: 434,731 km (0.089 R)
• M5: 562,937 km (0.09 R)
• M6: 632,500 km (0.108 R)
• M7: 963,560 km (0.099 R)
• M8: 1,038,359 km (0.053 R)
• M9: 1,137,542 km (0.114 R)
• M10: 1,205,609 km (0.109 R)
• M11: 2,171,114 km (0.102 R)
• M12: 2,505,914 km (0.076 R)
• M13: 2,626,340 km (0.088 R)
• M14: 2,779,678 km (0.06 R)
• M15: 2,935,858 km (0.092 R)
• M16: 3,159,507 km (0.072 R)
• M17: 3,355,779 km (0.078 R)
• M18: 3,422,201 km (0.073 R)
• M19: 3,488,922 km (0.084 R)
• M20: 3,556,091 km (0.093 R)
• M21: 3,760,442 km (0.112 R)
• M22: 3,916,173 km (0.069 R)
• M23: 4,234,218 km (0.098 R)
• M24: 4,306,025 km (0.114 R)
• M25: 4,414,484 km (0.079 R)
• M26: 4,726,994 km (0.099 R)
• M27: 4,932,990 km (0.115 R)
• M28: 5,122,979 km (0.062 R)
• M29: 5,199,573 km (0.106 R)
• M30: 5,354,108 km (0.107 R)
• M31: 5,926,768 km (0.115 R)
• M32: 6,292,086 km (0.099 R)
• M33: 6,727,566 km (0.095 R)
• M34: 6,853,826 km (0.062 R)
• M35: 7,151,377 km (0.118 R)
• M36: 7,409,882 km (0.101 R)
• M37: 7,649,538 km (0.099 R)
• M38: 7,737,351 km (0.117 R)
• M39: 7,869,746 km (0.044 R)
• M40: 8,886,114 km (0.103 R)
• M41: 9,351,064 km (0.117 R)
• M42: 9,823,943 km (0.091 R)
• M43: 10,087,384 km (0.114 R)
• M44: 10,256,280 km (0.118 R)
• M45: 10,891,772 km (0.119 R)
• M46: 10,990,656 km (0.119 R)
• M47: 11,716,655 km (0.059 R)
• M48: 12,123,860 km (0.105 R)
• M49: 12,561,584 km (0.116 R)
• M50: 13,030,723 km (0.077 R)
• M51: 13,135,740 km (0.117 R)
• M52: 13,399,631 km (0.097 R)
• M53: 13,532,175 km (0.087 R)
• M54: 14,255,630 km (0.054 R)
• M55: 14,526,851 km (0.026 R)
• M56: 14,635,758 km (0.075 R)
• M57: 14,717,588 km (0.105 R)
• M58: 14,827,094 km (0.12 R)
• M59: 15,350,537 km (0.094 R)
• M60: 15,517,039 km (0.117 R)
• M61: 15,964,187 km (0.054 R)
• M62: 16,104,809 km (0.116 R)
• M63: 16,189,332 km (0.091 R)
• M64: 16,642,913 km (0.098 R)
• M65: 17,446,552 km (0.073 R)
• M66: 17,678,429 km (0.114 R)
• M67: 18,174,795 km (0.044 R)
• M68: 18,823,750 km (0.083 R)
• M69: 18,942,681 km (0.104 R)
• M70: 19,121,301 km (0.062 R)
• M71: 19,210,910 km (0.082 R)
• M72: 19,630,681 km (0.044 R)
• M73: 19,751,257 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.4

Radius: 12.6

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.83 AU - 7.45 AU

Year: 7345 Days

Day: 14.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 37,449,739 km

• M1: 197,170 km (0.08 R)
• M2: 278,252 km (0.065 R)
• M3: 553,363 km (0.061 R)
• M4: 702,063 km (0.045 R)
• M5: 839,543 km (0.055 R)
• M6: 987,047 km (0.091 R)
• M7: 1,324,839 km (0.104 R)
• M8: 1,614,759 km (0.115 R)
• M9: 1,837,062 km (0.111 R)
• M10: 2,033,334 km (0.078 R)
• M11: 2,180,389 km (0.077 R)
• M12: 3,179,703 km (0.101 R)
• M13: 3,308,357 km (0.111 R)
• M14: 3,416,815 km (0.066 R)
• M15: 4,000,696 km (0.092 R)
• M16: 4,210,133 km (0.083 R)
• M17: 4,399,374 km (0.118 R)
• M18: 4,519,052 km (0.101 R)
• M19: 4,761,850 km (0.096 R)
• M20: 5,159,331 km (0.094 R)
• M21: 5,311,173 km (0.113 R)
• M22: 5,438,780 km (0.106 R)
• M23: 6,253,341 km (0.093 R)
• M24: 6,469,809 km (0.094 R)
• M25: 6,799,074 km (0.116 R)
• M26: 6,882,250 km (0.092 R)
• M27: 7,388,639 km (0.082 R)
• M28: 7,646,396 km (0.089 R)
• M29: 8,053,302 km (0.094 R)
• M30: 8,646,907 km (0.067 R)
• M31: 9,070,867 km (0.09 R)
• M32: 9,563,792 km (0.116 R)
• M33: 9,813,471 km (0.114 R)
• M34: 10,097,108 km (0.049 R)
• M35: 10,383,289 km (0.114 R)
• M36: 10,736,789 km (0.107 R)
• M37: 10,931,416 km (0.119 R)
• M38: 11,192,613 km (0.114 R)
• M39: 11,356,872 km (0.052 R)
• M40: 11,888,094 km (0.096 R)
• M41: 12,359,477 km (0.117 R)
• M42: 13,669,954 km (0.059 R)
• M43: 14,057,562 km (0.09 R)
• M44: 15,133,021 km (0.062 R)
• M45: 15,278,431 km (0.072 R)
• M46: 15,424,288 km (0.061 R)
• M47: 15,864,705 km (0.072 R)
• M48: 16,495,708 km (0.095 R)
• M49: 17,476,622 km (0.104 R)
• M50: 17,743,953 km (0.053 R)
• M51: 18,709,757 km (0.087 R)
• M52: 19,100,955 km (0.08 R)
• M53: 19,376,365 km (0.065 R)
• M54: 19,494,847 km (0.117 R)
• M55: 19,851,637 km (0.108 R)
• M56: 19,931,074 km (0.115 R)
• M57: 21,015,808 km (0.089 R)
• M58: 21,137,581 km (0.094 R)
• M59: 21,585,776 km (0.118 R)
• M60: 22,326,136 km (0.098 R)
• M61: 22,574,767 km (0.107 R)
• M62: 23,242,273 km (0.08 R)
• M63: 23,747,166 km (0.083 R)
• M64: 24,000,884 km (0.113 R)
• M65: 24,724,938 km (0.068 R)
• M66: 25,240,452 km (0.064 R)
• M67: 25,629,257 km (0.118 R)
• M68: 26,456,832 km (0.105 R)
• M69: 26,807,789 km (0.038 R)
• M70: 26,939,884 km (0.114 R)
• M71: 27,425,927 km (0.091 R)
• M72: 27,825,653 km (0.118 R)
• M73: 27,914,813 km (0.117 R)
• M74: 28,361,812 km (0.067 R)
• M75: 28,451,570 km (0.06 R)
• M76: 29,990,484 km (0.108 R)
• M77: 30,127,665 km (0.036 R)
• M78: 30,632,109 km (0.12 R)
• M79: 30,724,111 km (0.062 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.5

Radius: 10.7

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 7.02 AU - 10.18 AU

Year: 9710 Days

Day: 8 Hours

Environment

Temp: -169 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 37,449,739 km

• M1: 136,433 km (0.1 R)
• M2: 298,597 km (0.049 R)
• M3: 723,156 km (0.106 R)
• M4: 854,054 km (0.03 R)
• M5: 930,349 km (0.107 R)
• M6: 1,107,174 km (0.096 R)
• M7: 1,243,009 km (0.086 R)
• M8: 2,046,050 km (0.048 R)
• M9: 2,129,825 km (0.079 R)
• M10: 2,214,796 km (0.116 R)
• M11: 3,174,916 km (0.042 R)
• M12: 3,248,069 km (0.09 R)
• M13: 3,853,192 km (0.104 R)
• M14: 3,983,791 km (0.108 R)
• M15: 4,741,804 km (0.093 R)
• M16: 4,910,101 km (0.068 R)
• M17: 5,023,347 km (0.114 R)
• M18: 6,112,120 km (0.105 R)
• M19: 6,387,829 km (0.114 R)
• M20: 7,015,093 km (0.092 R)
• M21: 7,239,340 km (0.086 R)
• M22: 7,368,593 km (0.062 R)
• M23: 8,260,794 km (0.089 R)
• M24: 9,573,516 km (0.095 R)
• M25: 9,858,200 km (0.115 R)
• M26: 10,073,472 km (0.114 R)
• M27: 11,397,862 km (0.1 R)
• M28: 11,586,056 km (0.104 R)
• M29: 11,737,449 km (0.096 R)
• M30: 12,854,347 km (0.097 R)
• M31: 14,368,875 km (0.105 R)
• M32: 15,105,795 km (0.089 R)
• M33: 15,312,688 km (0.106 R)
• M34: 15,603,956 km (0.072 R)
• M35: 15,981,092 km (0.053 R)
• M36: 16,830,060 km (0.073 R)
• M37: 17,260,004 km (0.101 R)
• M38: 18,350,572 km (0.059 R)
• M39: 18,793,083 km (0.118 R)
• M40: 19,194,454 km (0.101 R)
• M41: 20,552,354 km (0.107 R)
• M42: 21,521,449 km (0.073 R)
• M43: 21,661,024 km (0.098 R)
• M44: 23,312,285 km (0.114 R)
• M45: 24,711,025 km (0.08 R)
• M46: 25,494,469 km (0.072 R)
• M47: 25,938,625 km (0.1 R)
• M48: 26,186,509 km (0.043 R)
• M49: 27,236,237 km (0.108 R)
• M50: 27,488,160 km (0.08 R)
• M51: 29,479,906 km (0.069 R)
• M52: 29,583,428 km (0.033 R)
• M53: 29,790,471 km (0.057 R)
• M54: 32,473,659 km (0.073 R)
• M55: 33,223,742 km (0.03 R)
• M56: 34,033,665 km (0.068 R)
• M57: 37,449,733 km (0.109 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 15,698 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit