🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.2

Radius: 9.9

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.6 AU - 0.78 AU

Year: 376 Days

Day: 14.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,383,586 km

• M1: 123,119 km (0.077 R)
• M2: 452,234 km (0.049 R)
• M3: 807,978 km (0.066 R)
• M4: 1,637,199 km (0.097 R)
• M5: 2,014,186 km (0.088 R)
• M6: 2,401,794 km (0.12 R)
• M7: 3,201,694 km (0.055 R)
• M8: 4,128,452 km (0.102 R)
• M9: 5,066,431 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.2

Radius: 14.5

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.62 AU - 0.78 AU

Year: 384 Days

Day: 7.4 Hours

Environment

Temp: -134 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,383,586 km

• M1: 180,265 km (0.08 R)
• M2: 649,554 km (0.056 R)
• M3: 1,143,077 km (0.062 R)
• M4: 1,937,143 km (0.077 R)
• M5: 2,856,871 km (0.117 R)
• M6: 4,198,614 km (0.11 R)
• M7: 4,661,320 km (0.096 R)
• M8: 5,315,811 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.4

Radius: 11.1

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.19 AU - 1.82 AU

Year: 1205 Days

Day: 13.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 85,383,586 km

• M1: 138,079 km (0.105 R)
• M2: 495,468 km (0.112 R)
• M3: 844,480 km (0.039 R)
• M4: 1,788,742 km (0.071 R)
• M5: 3,275,146 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.9

Radius: 8.5

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.53 AU - 2.47 AU

Year: 1855 Days

Day: 6 Hours

Environment

Temp: -183 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,383,586 km

• M1: 105,766 km (0.103 R)
• M2: 495,767 km (0.084 R)
• M3: 824,135 km (0.117 R)
• M4: 1,101,788 km (0.089 R)
• M5: 1,598,902 km (0.11 R)
• M6: 2,273,140 km (0.106 R)
• M7: 2,675,558 km (0.087 R)
• M8: 3,498,197 km (0.115 R)
• M9: 4,334,598 km (0.113 R)
• M10: 5,014,969 km (0.11 R)
• M11: 5,381,035 km (0.073 R)
• M12: 6,212,500 km (0.074 R)
• M13: 6,731,755 km (0.077 R)
• M14: 7,051,894 km (0.051 R)
• M15: 7,696,212 km (0.106 R)
• M16: 8,101,323 km (0.115 R)
• M17: 8,606,216 km (0.115 R)
• M18: 9,709,799 km (0.102 R)
• M19: 12,051,156 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.4

Radius: 14

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.04 AU - 3.76 AU

Year: 4113 Days

Day: 6.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,383,586 km

• M1: 174,282 km (0.105 R)
• M2: 656,286 km (0.111 R)
• M3: 1,349,672 km (0.099 R)
• M4: 2,146,580 km (0.104 R)
• M5: 2,668,377 km (0.089 R)
• M6: 3,139,760 km (0.04 R)
• M7: 4,071,306 km (0.118 R)
• M8: 4,812,115 km (0.087 R)
• M9: 5,691,601 km (0.097 R)
• M10: 6,788,602 km (0.103 R)
• M11: 7,463,288 km (0.073 R)
• M12: 8,117,928 km (0.066 R)
• M13: 8,878,783 km (0.112 R)
• M14: 9,941,975 km (0.079 R)
• M15: 10,696,996 km (0.103 R)
• M16: 14,720,430 km (0.062 R)
• M17: 15,502,229 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.1

Radius: 8.9

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.25 AU - 3.87 AU

Year: 4406 Days

Day: 9.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 85,383,586 km

• M1: 111,002 km (0.12 R)
• M2: 732,431 km (0.119 R)
• M3: 1,228,049 km (0.092 R)
• M4: 1,541,008 km (0.078 R)
• M5: 1,894,059 km (0.115 R)
• M6: 2,395,361 km (0.103 R)
• M7: 2,677,802 km (0.041 R)
• M8: 3,001,382 km (0.107 R)
• M9: 3,350,992 km (0.101 R)
• M10: 3,749,521 km (0.113 R)
• M11: 6,023,409 km (0.051 R)
• M12: 8,620,278 km (0.104 R)
• M13: 9,657,889 km (0.062 R)
• M14: 10,866,191 km (0.078 R)
• M15: 13,321,092 km (0.037 R)
• M16: 14,323,248 km (0.109 R)
• M17: 17,693,688 km (0.108 R)
• M18: 18,006,946 km (0.094 R)
• M19: 19,297,078 km (0.113 R)
• M20: 19,964,733 km (0.096 R)
• M21: 20,855,589 km (0.075 R)
• M22: 24,375,627 km (0.112 R)
• M23: 25,791,720 km (0.115 R)
• M24: 27,095,914 km (0.116 R)
• M25: 28,187,530 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.8

Radius: 9.6

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.93 AU - 4.21 AU

Year: 5386 Days

Day: 5.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 85,383,586 km

• M1: 119,379 km (0.074 R)
• M2: 438,621 km (0.051 R)
• M3: 820,694 km (0.091 R)
• M4: 1,248,693 km (0.12 R)
• M5: 1,609,823 km (0.096 R)
• M6: 2,425,879 km (0.081 R)
• M7: 2,727,917 km (0.084 R)
• M8: 4,199,063 km (0.117 R)
• M9: 4,611,055 km (0.1 R)
• M10: 5,338,101 km (0.065 R)
• M11: 8,136,179 km (0.109 R)
• M12: 8,574,202 km (0.111 R)
• M13: 9,628,119 km (0.056 R)
• M14: 11,100,312 km (0.112 R)
• M15: 12,664,357 km (0.106 R)
• M16: 13,144,866 km (0.086 R)
• M17: 14,255,929 km (0.096 R)
• M18: 16,664,156 km (0.112 R)
• M19: 17,047,425 km (0.112 R)
• M20: 20,987,684 km (0.108 R)
• M21: 22,503,110 km (0.064 R)
• M22: 25,920,225 km (0.119 R)
• M23: 26,608,225 km (0.118 R)
• M24: 27,396,756 km (0.118 R)
• M25: 27,930,970 km (0.082 R)
• M26: 28,928,488 km (0.065 R)
• M27: 30,898,543 km (0.096 R)
• M28: 32,756,548 km (0.103 R)
• M29: 33,865,667 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.2

Radius: 15

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.42 AU - 5.68 AU

Year: 7445 Days

Day: 5.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 85,383,586 km

• M1: 188,643 km (0.12 R)
• M2: 798,553 km (0.098 R)
• M3: 1,454,989 km (0.068 R)
• M4: 2,052,333 km (0.081 R)
• M5: 2,832,935 km (0.114 R)
• M6: 4,384,414 km (0.061 R)
• M7: 6,198,588 km (0.114 R)
• M8: 6,666,380 km (0.065 R)
• M9: 10,285,003 km (0.055 R)
• M10: 11,629,738 km (0.117 R)
• M11: 12,457,314 km (0.118 R)
• M12: 13,741,911 km (0.072 R)
• M13: 14,230,348 km (0.044 R)
• M14: 14,793,584 km (0.116 R)
• M15: 17,693,838 km (0.038 R)
• M16: 22,599,750 km (0.062 R)
• M17: 25,776,162 km (0.103 R)
• M18: 27,375,064 km (0.114 R)
• M19: 27,954,905 km (0.102 R)
• M20: 28,542,975 km (0.084 R)
• M21: 31,502,320 km (0.074 R)
• M22: 32,353,382 km (0.075 R)
• M23: 33,001,739 km (0.059 R)
• M24: 35,112,266 km (0.12 R)
• M25: 35,682,383 km (0.062 R)
• M26: 36,724,033 km (0.119 R)
• M27: 37,429,686 km (0.064 R)
• M28: 38,868,070 km (0.109 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.3

Radius: 8.9

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.59 AU - 6.73 AU

Year: 8834 Days

Day: 9.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,383,586 km

• M1: 111,151 km (0.103 R)
• M2: 425,307 km (0.112 R)
• M3: 730,935 km (0.112 R)
• M4: 1,135,448 km (0.114 R)
• M5: 1,700,030 km (0.096 R)
• M6: 4,493,920 km (0.083 R)
• M7: 4,806,280 km (0.063 R)
• M8: 6,134,859 km (0.095 R)
• M9: 6,627,784 km (0.082 R)
• M10: 17,336,149 km (0.115 R)
• M11: 23,901,102 km (0.098 R)
• M12: 28,351,190 km (0.068 R)
• M13: 28,737,153 km (0.115 R)
• M14: 33,217,310 km (0.066 R)
• M15: 33,970,535 km (0.111 R)
• M16: 39,685,473 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 755.4

Radius: 4.9

Gravity: 31.46 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 9.19 AU - 12.01 AU

Year: 22640 Days

Day: 23.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 85,383,586 km

• M1: 109,655 km (0.045 R)
• M2: 957,127 km (0.074 R)
• M3: 1,270,236 km (0.095 R)
• M4: 2,015,383 km (0.083 R)
• M5: 2,458,043 km (0.106 R)
• M6: 2,702,486 km (0.094 R)
• M7: 3,473,962 km (0.118 R)
• M8: 3,656,770 km (0.058 R)
• M9: 4,041,686 km (0.095 R)
• M10: 6,844,701 km (0.107 R)
• M11: 8,420,116 km (0.109 R)
• M12: 9,438,130 km (0.085 R)
• M13: 9,615,403 km (0.048 R)
• M14: 10,854,821 km (0.114 R)
• M15: 17,673,642 km (0.102 R)
• M16: 22,956,092 km (0.058 R)
• M17: 26,185,162 km (0.072 R)
• M18: 28,457,405 km (0.11 R)
• M19: 28,951,975 km (0.119 R)
• M20: 30,341,440 km (0.1 R)
• M21: 33,252,914 km (0.095 R)
• M22: 38,861,936 km (0.108 R)
• M23: 40,863,257 km (0.032 R)
• M24: 47,796,968 km (0.108 R)
• M25: 58,404,355 km (0.103 R)
• M26: 62,885,260 km (0.083 R)
• M27: 77,692,009 km (0.115 R)
• M28: 79,143,108 km (0.098 R)
• M29: 80,612,009 km (0.075 R)
• M30: 84,110,206 km (0.119 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 10,698 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit