🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.77 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.8

Radius: 12.4

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.69 AU - 4.39 AU

Year: 4442 Days

Day: 11.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,128,099 km

• M1: 164,857 km (0.075 R)
• M2: 579,692 km (0.097 R)
• M3: 1,191,996 km (0.095 R)
• M4: 1,871,769 km (0.099 R)
• M5: 2,272,990 km (0.078 R)
• M6: 2,984,627 km (0.101 R)
• M7: 3,656,920 km (0.03 R)
• M8: 4,359,880 km (0.11 R)
• M9: 6,440,338 km (0.062 R)
• M10: 7,832,795 km (0.11 R)
• M11: 8,315,398 km (0.092 R)
• M12: 8,781,245 km (0.091 R)
• M13: 9,648,464 km (0.075 R)
• M14: 12,547,821 km (0.067 R)
• M15: 17,800,501 km (0.074 R)
• M16: 18,636,903 km (0.098 R)
• M17: 22,452,097 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.2

Radius: 11.5

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.5 AU - 5.12 AU

Year: 5967 Days

Day: 6.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,128,099 km

• M1: 143,016 km (0.098 R)
• M2: 647,160 km (0.099 R)
• M3: 1,504,057 km (0.077 R)
• M4: 1,965,866 km (0.083 R)
• M5: 2,535,385 km (0.089 R)
• M6: 3,102,061 km (0.099 R)
• M7: 4,551,366 km (0.073 R)
• M8: 5,460,771 km (0.114 R)
• M9: 10,520,470 km (0.117 R)
• M10: 11,908,140 km (0.104 R)
• M11: 13,713,188 km (0.086 R)
• M12: 14,907,278 km (0.045 R)
• M13: 15,788,260 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.7

Radius: 13.4

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.53 AU - 6.41 AU

Year: 8531 Days

Day: 12.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 47,128,099 km

• M1: 167,550 km (0.083 R)
• M2: 606,470 km (0.038 R)
• M3: 1,078,750 km (0.106 R)
• M4: 1,610,571 km (0.087 R)
• M5: 2,034,082 km (0.049 R)
• M6: 4,272,216 km (0.116 R)
• M7: 4,832,610 km (0.075 R)
• M8: 6,631,374 km (0.097 R)
• M9: 7,307,407 km (0.08 R)
• M10: 7,905,499 km (0.116 R)
• M11: 8,930,394 km (0.116 R)
• M12: 10,482,024 km (0.083 R)
• M13: 10,934,707 km (0.065 R)
• M14: 11,879,717 km (0.116 R)
• M15: 12,427,843 km (0.068 R)
• M16: 13,515,868 km (0.041 R)
• M17: 14,113,512 km (0.113 R)
• M18: 15,106,393 km (0.054 R)
• M19: 19,024,960 km (0.103 R)
• M20: 19,548,702 km (0.069 R)
• M21: 20,547,118 km (0.052 R)
• M22: 23,404,138 km (0.097 R)
• M23: 23,919,204 km (0.108 R)
• M24: 25,150,544 km (0.11 R)
• M25: 27,076,317 km (0.059 R)
• M26: 29,395,533 km (0.099 R)
• M27: 34,095,748 km (0.047 R)
• M28: 35,316,766 km (0.042 R)
• M29: 36,108,737 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.2

Radius: 5.2

Gravity: 28.56 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.98 AU - 7.56 AU

Year: 13072 Days

Day: 22.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,128,099 km

• M1: 64,776 km (0.037 R)
• M2: 429,795 km (0.047 R)
• M3: 699,071 km (0.063 R)
• M4: 2,937,803 km (0.067 R)
• M5: 6,653,216 km (0.061 R)
• M6: 6,945,680 km (0.025 R)
• M7: 9,290,028 km (0.049 R)
• M8: 9,815,116 km (0.115 R)
• M9: 11,331,440 km (0.092 R)
• M10: 12,677,223 km (0.107 R)
• M11: 13,257,214 km (0.081 R)
• M12: 15,755,199 km (0.044 R)
• M13: 19,465,825 km (0.1 R)
• M14: 22,116,100 km (0.106 R)
• M15: 23,335,622 km (0.116 R)
• M16: 25,399,474 km (0.104 R)
• M17: 27,051,185 km (0.06 R)
• M18: 29,549,020 km (0.095 R)
• M19: 31,142,537 km (0.101 R)
• M20: 41,079,874 km (0.113 R)
• M21: 52,937,600 km (0.101 R)
• M22: 53,934,072 km (0.081 R)
• M23: 59,460,965 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369.1

Radius: 4.5

Gravity: 18.23 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 8.48 AU - 9.3 AU

Year: 17676 Days

Day: 16.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 47,128,099 km

• M1: 55,950 km (0.057 R)
• M2: 388,206 km (0.093 R)
• M3: 670,797 km (0.055 R)
• M4: 883,525 km (0.102 R)
• M5: 1,104,182 km (0.113 R)
• M6: 1,333,515 km (0.074 R)
• M7: 1,474,287 km (0.08 R)
• M8: 2,159,445 km (0.041 R)
• M9: 2,647,882 km (0.035 R)
• M10: 3,281,579 km (0.119 R)
• M11: 4,553,610 km (0.119 R)
• M12: 5,932,603 km (0.108 R)
• M13: 6,923,389 km (0.082 R)
• M14: 7,436,061 km (0.079 R)
• M15: 9,794,472 km (0.075 R)
• M16: 10,439,837 km (0.107 R)
• M17: 11,285,963 km (0.119 R)
• M18: 11,636,919 km (0.09 R)
• M19: 12,483,942 km (0.115 R)
• M20: 13,830,473 km (0.115 R)
• M21: 15,990,816 km (0.09 R)
• M22: 20,101,915 km (0.063 R)
• M23: 22,860,200 km (0.098 R)
• M24: 26,985,212 km (0.095 R)
• M25: 29,441,609 km (0.065 R)
• M26: 31,121,593 km (0.105 R)
• M27: 34,916,592 km (0.11 R)
• M28: 35,660,991 km (0.082 R)
• M29: 41,032,602 km (0.109 R)
• M30: 44,125,687 km (0.085 R)
• M31: 45,581,723 km (0.117 R)
• M32: 47,219,820 km (0.112 R)
• M33: 52,855,172 km (0.088 R)
• M34: 53,017,785 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110

Radius: 7.7

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 9.68 AU - 12.32 AU

Year: 24329 Days

Day: 20.3 Hours

Environment

Temp: -245 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,128,099 km

• M1: 95,743 km (0.105 R)
• M2: 624,422 km (0.084 R)
• M3: 1,161,777 km (0.087 R)
• M4: 1,469,949 km (0.063 R)
• M5: 1,740,272 km (0.108 R)
• M6: 2,094,969 km (0.09 R)
• M7: 2,738,090 km (0.04 R)
• M8: 3,481,741 km (0.11 R)
• M9: 4,978,767 km (0.056 R)
• M10: 5,494,730 km (0.061 R)
• M11: 6,482,525 km (0.064 R)
• M12: 9,272,375 km (0.112 R)
• M13: 9,804,345 km (0.083 R)
• M14: 11,413,719 km (0.103 R)
• M15: 11,912,179 km (0.097 R)
• M16: 12,425,001 km (0.075 R)
• M17: 12,834,001 km (0.111 R)
• M18: 19,621,706 km (0.118 R)
• M19: 20,016,943 km (0.109 R)
• M20: 20,741,894 km (0.107 R)
• M21: 22,760,119 km (0.038 R)
• M22: 25,090,704 km (0.049 R)
• M23: 25,838,544 km (0.118 R)
• M24: 38,293,764 km (0.114 R)
• M25: 42,360,582 km (0.07 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: 437 - 18,501 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit