🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.46 AU - 0.68 AU

Year: 282 Days

Day: 33 Hours

Environment

Temp: -131 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.7

Radius: 10.6

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.74 AU - 0.8 AU

Year: 443 Days

Day: 6.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 64.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,554,330 km

• M1: 131,796 km (0.105 R)
• M2: 472,131 km (0.111 R)
• M3: 826,079 km (0.115 R)
• M4: 1,397,992 km (0.116 R)
• M5: 1,836,463 km (0.117 R)
• M6: 2,508,756 km (0.078 R)
• M7: 2,886,641 km (0.075 R)
• M8: 3,361,763 km (0.117 R)
• M9: 3,758,347 km (0.046 R)
• M10: 4,340,582 km (0.1 R)
• M11: 4,935,383 km (0.102 R)
• M12: 5,399,885 km (0.116 R)
• M13: 6,034,928 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.3

Radius: 10.1

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.13 AU - 1.73 AU

Year: 1122 Days

Day: 14.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,554,330 km

• M1: 125,662 km (0.036 R)
• M2: 572,511 km (0.119 R)
• M3: 1,134,849 km (0.088 R)
• M4: 1,467,256 km (0.096 R)
• M5: 1,813,425 km (0.107 R)
• M6: 2,651,473 km (0.026 R)
• M7: 3,275,146 km (0.103 R)
• M8: 3,729,026 km (0.101 R)
• M9: 4,431,687 km (0.102 R)
• M10: 5,329,424 km (0.089 R)
• M11: 5,821,751 km (0.091 R)
• M12: 6,490,004 km (0.08 R)
• M13: 6,985,473 km (0.101 R)
• M14: 7,835,338 km (0.033 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.3

Radius: 10.1

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.45 AU - 1.96 AU

Year: 1454 Days

Day: 14.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,554,330 km

• M1: 125,662 km (0.077 R)
• M2: 445,203 km (0.113 R)
• M3: 832,512 km (0.087 R)
• M4: 1,242,859 km (0.072 R)
• M5: 1,565,243 km (0.112 R)
• M6: 1,912,160 km (0.113 R)
• M7: 3,293,098 km (0.092 R)
• M8: 4,360,479 km (0.066 R)
• M9: 6,596,369 km (0.109 R)
• M10: 6,979,937 km (0.064 R)
• M11: 7,351,389 km (0.111 R)
• M12: 7,876,477 km (0.048 R)
• M13: 9,506,496 km (0.072 R)
• M14: 11,098,965 km (0.115 R)
• M15: 12,822,781 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.8

Radius: 14.3

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.93 AU - 2.29 AU

Year: 2011 Days

Day: 12 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,554,330 km

• M1: 177,872 km (0.061 R)
• M2: 767,587 km (0.034 R)
• M3: 1,222,663 km (0.095 R)
• M4: 1,746,555 km (0.096 R)
• M5: 2,341,356 km (0.097 R)
• M6: 2,821,715 km (0.033 R)
• M7: 4,281,042 km (0.107 R)
• M8: 4,851,309 km (0.083 R)
• M9: 5,400,633 km (0.071 R)
• M10: 5,889,967 km (0.085 R)
• M11: 7,332,390 km (0.094 R)
• M12: 8,279,045 km (0.035 R)
• M13: 9,237,070 km (0.096 R)
• M14: 9,760,962 km (0.061 R)
• M15: 10,453,002 km (0.075 R)
• M16: 11,373,777 km (0.085 R)
• M17: 12,306,370 km (0.1 R)
• M18: 14,094,513 km (0.088 R)
• M19: 15,460,042 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.4

Radius: 10.2

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5.33 AU - 5.85 AU

Year: 8670 Days

Day: 12.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,554,330 km

• M1: 223,649 km (0.118 R)
• M2: 558,299 km (0.098 R)
• M3: 1,103,733 km (0.1 R)
• M4: 1,752,689 km (0.115 R)
• M5: 3,273,800 km (0.047 R)
• M6: 3,676,667 km (0.105 R)
• M7: 5,026,638 km (0.04 R)
• M8: 7,333,138 km (0.05 R)
• M9: 8,323,775 km (0.09 R)
• M10: 10,671,265 km (0.115 R)
• M11: 12,051,904 km (0.08 R)
• M12: 15,752,805 km (0.111 R)
• M13: 16,767,229 km (0.072 R)
• M14: 18,479,975 km (0.073 R)
• M15: 18,850,977 km (0.1 R)
• M16: 19,226,917 km (0.117 R)
• M17: 20,306,265 km (0.109 R)
• M18: 21,425,706 km (0.108 R)
• M19: 22,501,465 km (0.085 R)
• M20: 27,646,584 km (0.111 R)
• M21: 32,762,532 km (0.052 R)
• M22: 36,814,091 km (0.119 R)
• M23: 39,816,520 km (0.094 R)
• M24: 41,061,923 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.2

Radius: 9.2

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.6 AU - 6.94 AU

Year: 9092 Days

Day: 6.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,554,330 km

• M1: 114,891 km (0.073 R)
• M2: 504,145 km (0.075 R)
• M3: 809,175 km (0.071 R)
• M4: 1,153,100 km (0.115 R)
• M5: 1,461,721 km (0.118 R)
• M6: 1,811,032 km (0.094 R)
• M7: 2,544,510 km (0.081 R)
• M8: 3,416,367 km (0.058 R)
• M9: 4,091,651 km (0.106 R)
• M10: 4,475,370 km (0.082 R)
• M11: 4,793,565 km (0.112 R)
• M12: 6,046,297 km (0.045 R)
• M13: 8,081,277 km (0.099 R)
• M14: 8,554,904 km (0.101 R)
• M15: 11,258,586 km (0.12 R)
• M16: 14,360,947 km (0.03 R)
• M17: 18,724,866 km (0.072 R)
• M18: 19,631,280 km (0.055 R)
• M19: 22,108,172 km (0.103 R)
• M20: 26,436,487 km (0.059 R)
• M21: 26,813,025 km (0.063 R)
• M22: 27,384,339 km (0.094 R)
• M23: 27,769,853 km (0.091 R)
• M24: 28,354,780 km (0.086 R)
• M25: 29,147,500 km (0.108 R)
• M26: 33,224,640 km (0.036 R)
• M27: 33,773,365 km (0.092 R)
• M28: 35,342,198 km (0.077 R)
• M29: 42,104,470 km (0.065 R)
• M30: 42,489,386 km (0.11 R)
• M31: 44,052,235 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.2

Radius: 7.5

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.91 AU - 7.95 AU

Year: 10696 Days

Day: 20.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 178.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,554,330 km

• M1: 93,199 km (0.112 R)
• M2: 876,494 km (0.112 R)
• M3: 1,436,588 km (0.074 R)
• M4: 1,796,222 km (0.085 R)
• M5: 2,146,430 km (0.116 R)
• M6: 2,447,720 km (0.111 R)
• M7: 3,092,188 km (0.119 R)
• M8: 3,454,364 km (0.089 R)
• M9: 4,156,427 km (0.099 R)
• M10: 4,860,285 km (0.086 R)
• M11: 9,242,605 km (0.097 R)
• M12: 12,056,092 km (0.035 R)
• M13: 14,694,999 km (0.119 R)
• M14: 15,784,819 km (0.03 R)
• M15: 17,554,562 km (0.096 R)
• M16: 18,707,064 km (0.049 R)
• M17: 20,295,195 km (0.114 R)
• M18: 22,717,035 km (0.075 R)
• M19: 26,052,768 km (0.083 R)
• M20: 36,362,156 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.4

Radius: 7.3

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.08 AU - 7.66 AU

Year: 13125 Days

Day: 17.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,554,330 km

• M1: 90,806 km (0.117 R)
• M2: 338,091 km (0.091 R)
• M3: 1,681,181 km (0.111 R)
• M4: 2,593,429 km (0.11 R)
• M5: 3,069,300 km (0.102 R)
• M6: 3,339,772 km (0.116 R)
• M7: 3,929,188 km (0.117 R)
• M8: 6,545,954 km (0.117 R)
• M9: 7,792,254 km (0.062 R)
• M10: 8,212,175 km (0.065 R)
• M11: 8,870,406 km (0.047 R)
• M12: 9,374,999 km (0.085 R)
• M13: 11,749,267 km (0.104 R)
• M14: 14,876,311 km (0.074 R)
• M15: 15,919,607 km (0.062 R)
• M16: 16,255,454 km (0.109 R)
• M17: 20,033,698 km (0.072 R)
• M18: 20,504,034 km (0.091 R)
• M19: 23,569,593 km (0.082 R)
• M20: 24,005,970 km (0.068 R)
• M21: 24,626,053 km (0.067 R)
• M22: 26,083,137 km (0.081 R)
• M23: 31,635,911 km (0.036 R)
• M24: 39,377,002 km (0.092 R)
• M25: 43,551,231 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.7

Radius: 6.8

Gravity: 18.57 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 7.45 AU - 7.67 AU

Year: 13636 Days

Day: 15.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,554,330 km

• M1: 84,523 km (0.086 R)
• M2: 311,912 km (0.063 R)
• M3: 600,037 km (0.09 R)
• M4: 1,006,644 km (0.107 R)
• M5: 1,764,208 km (0.072 R)
• M6: 2,829,195 km (0.119 R)
• M7: 3,120,462 km (0.102 R)
• M8: 3,431,626 km (0.084 R)
• M9: 4,363,620 km (0.047 R)
• M10: 6,716,346 km (0.057 R)
• M11: 7,103,804 km (0.12 R)
• M12: 8,066,018 km (0.095 R)
• M13: 8,754,019 km (0.106 R)
• M14: 11,532,051 km (0.074 R)
• M15: 12,340,628 km (0.086 R)
• M16: 12,791,366 km (0.12 R)
• M17: 13,657,388 km (0.098 R)
• M18: 14,000,715 km (0.079 R)
• M19: 17,195,078 km (0.099 R)
• M20: 17,920,329 km (0.044 R)
• M21: 18,498,226 km (0.093 R)
• M22: 19,865,849 km (0.048 R)
• M23: 20,664,103 km (0.1 R)
• M24: 23,972,460 km (0.057 R)
• M25: 24,271,507 km (0.087 R)
• M26: 26,647,270 km (0.083 R)
• M27: 28,723,240 km (0.04 R)
• M28: 33,690,188 km (0.117 R)
• M29: 40,033,886 km (0.071 R)
• M30: 41,020,783 km (0.066 R)
• M31: 49,025,765 km (0.097 R)
• M32: 50,481,053 km (0.066 R)
• M33: 55,019,105 km (0.063 R)
• M34: 61,669,179 km (0.107 R)
• M35: 62,043,174 km (0.101 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 10,547 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit