🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.3

Radius: 11.8

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.9 AU - 1.34 AU

Year: 804 Days

Day: 14.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,868,298 km

• M1: 146,756 km (0.09 R)
• M2: 642,672 km (0.095 R)
• M3: 1,172,698 km (0.101 R)
• M4: 1,761,814 km (0.108 R)
• M5: 2,623,049 km (0.095 R)
• M6: 3,034,294 km (0.117 R)
• M7: 3,539,336 km (0.113 R)
• M8: 4,328,764 km (0.078 R)
• M9: 4,859,836 km (0.079 R)
• M10: 5,711,348 km (0.095 R)
• M11: 6,370,326 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.5

Radius: 8.8

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.29 AU - 1.37 AU

Year: 1040 Days

Day: 7.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,868,298 km

• M1: 110,254 km (0.088 R)
• M2: 387,309 km (0.1 R)
• M3: 886,667 km (0.118 R)
• M4: 1,497,475 km (0.108 R)
• M5: 1,910,963 km (0.097 R)
• M6: 2,958,747 km (0.056 R)
• M7: 4,078,188 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.7

Radius: 8.1

Gravity: 12.57 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.57 AU - 3.19 AU

Year: 3315 Days

Day: 14.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,868,298 km

• M1: 100,829 km (0.093 R)
• M2: 352,752 km (0.083 R)
• M3: 706,252 km (0.091 R)
• M4: 1,414,448 km (0.119 R)
• M5: 1,814,173 km (0.114 R)
• M6: 2,361,851 km (0.099 R)
• M7: 2,740,633 km (0.091 R)
• M8: 3,846,311 km (0.102 R)
• M9: 4,871,206 km (0.107 R)
• M10: 6,270,096 km (0.082 R)
• M11: 7,987,479 km (0.08 R)
• M12: 8,660,071 km (0.064 R)
• M13: 10,820,414 km (0.09 R)
• M14: 11,687,932 km (0.104 R)
• M15: 12,789,421 km (0.051 R)
• M16: 13,075,153 km (0.081 R)
• M17: 16,507,676 km (0.115 R)
• M18: 19,164,983 km (0.111 R)
• M19: 22,854,067 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.6

Radius: 13.4

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.03 AU - 3.23 AU

Year: 3756 Days

Day: 7 Hours

Environment

Temp: -203 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,868,298 km

• M1: 167,400 km (0.072 R)
• M2: 620,831 km (0.082 R)
• M3: 1,075,459 km (0.094 R)
• M4: 1,699,432 km (0.051 R)
• M5: 2,252,196 km (0.117 R)
• M6: 6,702,733 km (0.075 R)
• M7: 8,866,217 km (0.079 R)
• M8: 9,576,657 km (0.049 R)
• M9: 10,434,900 km (0.097 R)
• M10: 11,343,707 km (0.086 R)
• M11: 13,847,078 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.9

Radius: 8.4

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.84 AU - 3.64 AU

Year: 3956 Days

Day: 10.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,868,298 km

• M1: 104,868 km (0.054 R)
• M2: 445,054 km (0.096 R)
• M3: 1,291,927 km (0.097 R)
• M4: 2,217,639 km (0.065 R)
• M5: 2,603,601 km (0.087 R)
• M6: 4,209,834 km (0.037 R)
• M7: 4,973,531 km (0.042 R)
• M8: 5,401,381 km (0.077 R)
• M9: 6,244,814 km (0.103 R)
• M10: 7,395,371 km (0.095 R)
• M11: 7,987,030 km (0.105 R)
• M12: 10,149,617 km (0.099 R)
• M13: 10,921,991 km (0.119 R)
• M14: 13,000,504 km (0.07 R)
• M15: 14,108,126 km (0.114 R)
• M16: 15,381,952 km (0.109 R)
• M17: 16,509,771 km (0.093 R)
• M18: 16,897,827 km (0.061 R)
• M19: 17,178,623 km (0.04 R)
• M20: 18,098,201 km (0.079 R)
• M21: 22,850,626 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.5

Radius: 9.1

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.15 AU - 4.69 AU

Year: 6303 Days

Day: 7.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,868,298 km

• M1: 118,930 km (0.096 R)
• M2: 441,613 km (0.11 R)
• M3: 1,380,938 km (0.094 R)
• M4: 1,663,977 km (0.029 R)
• M5: 2,418,399 km (0.111 R)
• M6: 2,759,034 km (0.111 R)
• M7: 3,673,675 km (0.093 R)
• M8: 4,276,554 km (0.064 R)
• M9: 5,556,963 km (0.063 R)
• M10: 6,384,987 km (0.119 R)
• M11: 6,828,844 km (0.119 R)
• M12: 7,778,192 km (0.094 R)
• M13: 8,126,456 km (0.027 R)
• M14: 8,854,548 km (0.091 R)
• M15: 10,864,695 km (0.108 R)
• M16: 13,435,235 km (0.114 R)
• M17: 14,336,862 km (0.112 R)
• M18: 19,958,002 km (0.065 R)
• M19: 21,355,844 km (0.06 R)
• M20: 23,213,251 km (0.063 R)
• M21: 23,693,909 km (0.113 R)
• M22: 25,768,532 km (0.067 R)
• M23: 29,615,292 km (0.083 R)
• M24: 30,561,798 km (0.08 R)
• M25: 32,515,097 km (0.084 R)
• M26: 33,828,567 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.1

Radius: 11.9

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.92 AU - 5.62 AU

Year: 7066 Days

Day: 12.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,868,298 km

• M1: 148,102 km (0.089 R)
• M2: 571,613 km (0.065 R)
• M3: 1,022,202 km (0.109 R)
• M4: 1,791,883 km (0.115 R)
• M5: 2,824,857 km (0.037 R)
• M6: 3,452,420 km (0.119 R)
• M7: 3,845,114 km (0.117 R)
• M8: 4,617,787 km (0.082 R)
• M9: 6,311,085 km (0.098 R)
• M10: 7,003,873 km (0.111 R)
• M11: 8,698,667 km (0.068 R)
• M12: 10,561,460 km (0.118 R)
• M13: 12,574,898 km (0.048 R)
• M14: 15,818,928 km (0.07 R)
• M15: 18,246,602 km (0.095 R)
• M16: 21,272,518 km (0.043 R)
• M17: 24,778,195 km (0.098 R)
• M18: 25,343,375 km (0.109 R)
• M19: 26,332,367 km (0.085 R)
• M20: 27,518,528 km (0.031 R)
• M21: 28,917,418 km (0.068 R)
• M22: 29,544,233 km (0.079 R)
• M23: 30,271,428 km (0.031 R)
• M24: 30,824,791 km (0.05 R)
• M25: 31,197,290 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.4

Radius: 12.7

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.55 AU - 5.59 AU

Year: 7743 Days

Day: 5.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,868,298 km

• M1: 157,975 km (0.091 R)
• M2: 552,914 km (0.094 R)
• M3: 949,797 km (0.032 R)
• M4: 1,434,045 km (0.081 R)
• M5: 2,840,714 km (0.06 R)
• M6: 3,748,623 km (0.073 R)
• M7: 4,694,082 km (0.061 R)
• M8: 5,207,651 km (0.073 R)
• M9: 5,826,089 km (0.114 R)
• M10: 6,978,142 km (0.106 R)
• M11: 7,447,431 km (0.063 R)
• M12: 8,319,586 km (0.107 R)
• M13: 8,983,502 km (0.102 R)
• M14: 12,164,850 km (0.08 R)
• M15: 12,904,462 km (0.094 R)
• M16: 14,473,444 km (0.091 R)
• M17: 16,031,506 km (0.118 R)
• M18: 18,132,908 km (0.077 R)
• M19: 18,797,571 km (0.082 R)
• M20: 19,325,801 km (0.057 R)
• M21: 31,450,409 km (0.101 R)
• M22: 36,098,415 km (0.119 R)
• M23: 41,185,191 km (0.027 R)
• M24: 41,820,982 km (0.096 R)
• M25: 42,592,459 km (0.077 R)
• M26: 43,112,012 km (0.111 R)
• M27: 44,562,812 km (0.081 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.5

Radius: 11.8

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.22 AU - 6.94 AU

Year: 8940 Days

Day: 5.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,868,298 km

• M1: 146,756 km (0.108 R)
• M2: 675,434 km (0.098 R)
• M3: 1,952,103 km (0.115 R)
• M4: 3,004,075 km (0.035 R)
• M5: 4,087,014 km (0.114 R)
• M6: 4,731,631 km (0.082 R)
• M7: 11,389,185 km (0.042 R)
• M8: 12,413,631 km (0.049 R)
• M9: 15,620,561 km (0.083 R)
• M10: 19,683,041 km (0.097 R)
• M11: 23,310,191 km (0.106 R)
• M12: 25,119,577 km (0.111 R)
• M13: 28,398,463 km (0.06 R)
• M14: 31,293,930 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399.2

Radius: 5.2

Gravity: 14.76 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 8.15 AU - 8.33 AU

Year: 16043 Days

Day: 22.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,868,298 km

• M1: 108,758 km (0.025 R)
• M2: 315,352 km (0.072 R)
• M3: 543,788 km (0.093 R)
• M4: 714,180 km (0.091 R)
• M5: 1,293,722 km (0.108 R)
• M6: 1,860,399 km (0.071 R)
• M7: 2,070,135 km (0.026 R)
• M8: 4,894,094 km (0.119 R)
• M9: 5,574,914 km (0.072 R)
• M10: 6,125,584 km (0.074 R)
• M11: 7,334,484 km (0.102 R)
• M12: 12,382,066 km (0.087 R)
• M13: 13,768,090 km (0.086 R)
• M14: 20,350,098 km (0.095 R)
• M15: 21,736,571 km (0.115 R)
• M16: 24,122,208 km (0.089 R)
• M17: 24,696,364 km (0.118 R)
• M18: 30,392,303 km (0.112 R)
• M19: 30,949,855 km (0.119 R)
• M20: 32,200,194 km (0.099 R)
• M21: 35,780,968 km (0.079 R)
• M22: 39,883,540 km (0.083 R)
• M23: 47,797,716 km (0.115 R)
• M24: 49,007,365 km (0.108 R)
• M25: 52,120,497 km (0.118 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 14,156 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit