🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.47 AU - 0.73 AU

Year: 300 Days

Day: 35 Hours

Environment

Temp: -121 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.8

Radius: 12.3

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.7 AU - 0.7 AU

Year: 378 Days

Day: 8.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 61,401,353 km

• M1: 153,188 km (0.074 R)
• M2: 536,458 km (0.048 R)
• M3: 1,865,037 km (0.06 R)
• M4: 2,287,950 km (0.087 R)
• M5: 2,758,884 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.1

Radius: 14.4

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.58 AU - 1.76 AU

Year: 1393 Days

Day: 14.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,401,353 km

• M1: 179,517 km (0.119 R)
• M2: 707,149 km (0.106 R)
• M3: 1,373,009 km (0.098 R)
• M4: 1,950,756 km (0.106 R)
• M5: 2,559,021 km (0.053 R)
• M6: 3,038,333 km (0.079 R)
• M7: 3,577,932 km (0.105 R)
• M8: 4,498,707 km (0.089 R)
• M9: 5,140,781 km (0.115 R)
• M10: 5,617,101 km (0.055 R)
• M11: 6,075,768 km (0.09 R)
• M12: 6,684,482 km (0.073 R)
• M13: 9,095,850 km (0.094 R)
• M14: 10,126,280 km (0.069 R)
• M15: 10,669,919 km (0.119 R)
• M16: 11,126,042 km (0.087 R)
• M17: 12,342,572 km (0.11 R)
• M18: 12,806,475 km (0.085 R)
• M19: 13,362,231 km (0.075 R)
• M20: 14,100,646 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.1

Radius: 8

Gravity: 11.97 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.38 AU - 2.88 AU

Year: 2754 Days

Day: 12.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,401,353 km

• M1: 99,632 km (0.059 R)
• M2: 423,063 km (0.084 R)
• M3: 723,904 km (0.075 R)
• M4: 1,381,536 km (0.102 R)
• M5: 1,641,388 km (0.041 R)
• M6: 2,139,698 km (0.106 R)
• M7: 2,751,105 km (0.091 R)
• M8: 3,080,819 km (0.029 R)
• M9: 3,363,559 km (0.099 R)
• M10: 4,672,390 km (0.075 R)
• M11: 5,167,858 km (0.107 R)
• M12: 5,776,572 km (0.028 R)
• M13: 6,043,904 km (0.044 R)
• M14: 7,988,377 km (0.077 R)
• M15: 11,197,700 km (0.068 R)
• M16: 11,998,198 km (0.083 R)
• M17: 13,854,708 km (0.042 R)
• M18: 14,286,447 km (0.076 R)
• M19: 16,742,844 km (0.079 R)
• M20: 17,564,884 km (0.107 R)
• M21: 18,355,958 km (0.074 R)
• M22: 20,561,180 km (0.105 R)
• M23: 20,997,408 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863

Radius: 13.9

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.22 AU - 3.16 AU

Year: 2849 Days

Day: 13.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,401,353 km

• M1: 172,935 km (0.07 R)
• M2: 671,545 km (0.113 R)
• M3: 1,110,166 km (0.116 R)
• M4: 1,672,355 km (0.098 R)
• M5: 2,172,610 km (0.117 R)
• M6: 2,805,409 km (0.101 R)
• M7: 3,372,684 km (0.077 R)
• M8: 4,834,106 km (0.063 R)
• M9: 5,371,461 km (0.115 R)
• M10: 6,802,215 km (0.025 R)
• M11: 8,439,414 km (0.071 R)
• M12: 9,039,751 km (0.07 R)
• M13: 11,305,560 km (0.081 R)
• M14: 12,345,863 km (0.099 R)
• M15: 13,831,221 km (0.046 R)
• M16: 16,822,281 km (0.093 R)
• M17: 20,659,915 km (0.06 R)
• M18: 21,687,203 km (0.113 R)

Asteroid Belt

Center: 3.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.6

Radius: 13.8

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.81 AU - 4.15 AU

Year: 4192 Days

Day: 5.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,401,353 km

• M1: 172,636 km (0.071 R)
• M2: 652,396 km (0.069 R)
• M3: 1,128,566 km (0.043 R)
• M4: 1,628,373 km (0.088 R)
• M5: 2,590,437 km (0.081 R)
• M6: 3,985,287 km (0.091 R)
• M7: 4,499,904 km (0.08 R)
• M8: 6,996,244 km (0.117 R)
• M9: 7,543,323 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.2

Radius: 12.9

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4 AU - 4.62 AU

Year: 5777 Days

Day: 5.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,401,353 km

• M1: 160,369 km (0.113 R)
• M2: 676,033 km (0.103 R)
• M3: 1,107,473 km (0.091 R)
• M4: 2,164,681 km (0.055 R)
• M5: 2,618,860 km (0.068 R)
• M6: 3,934,274 km (0.1 R)
• M7: 5,468,700 km (0.09 R)
• M8: 9,648,015 km (0.077 R)
• M9: 10,749,654 km (0.082 R)
• M10: 13,079,641 km (0.079 R)
• M11: 13,784,845 km (0.109 R)
• M12: 14,211,499 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.5

Radius: 8.3

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.49 AU - 4.57 AU

Year: 6225 Days

Day: 9.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,401,353 km

• M1: 103,971 km (0.112 R)
• M2: 362,476 km (0.119 R)
• M3: 877,840 km (0.085 R)
• M4: 1,139,637 km (0.081 R)
• M5: 1,433,148 km (0.116 R)
• M6: 3,344,709 km (0.095 R)
• M7: 4,220,605 km (0.025 R)
• M8: 4,761,102 km (0.043 R)
• M9: 5,163,819 km (0.081 R)
• M10: 5,561,750 km (0.08 R)
• M11: 6,066,194 km (0.091 R)
• M12: 6,359,405 km (0.116 R)
• M13: 7,394,922 km (0.107 R)
• M14: 7,901,012 km (0.12 R)
• M15: 8,358,332 km (0.104 R)
• M16: 8,685,054 km (0.091 R)
• M17: 9,876,451 km (0.117 R)
• M18: 10,574,325 km (0.082 R)
• M19: 13,697,480 km (0.037 R)
• M20: 14,152,258 km (0.073 R)
• M21: 14,985,668 km (0.114 R)
• M22: 16,979,807 km (0.084 R)
• M23: 17,622,928 km (0.114 R)
• M24: 20,033,997 km (0.117 R)
• M25: 21,826,778 km (0.115 R)
• M26: 22,586,885 km (0.052 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.6

Radius: 15

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.51 AU - 4.61 AU

Year: 6287 Days

Day: 13.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,401,353 km

• M1: 186,549 km (0.109 R)
• M2: 842,984 km (0.117 R)
• M3: 1,329,177 km (0.058 R)
• M4: 1,846,337 km (0.061 R)
• M5: 2,322,806 km (0.088 R)
• M6: 2,882,751 km (0.102 R)
• M7: 3,532,754 km (0.086 R)
• M8: 4,576,797 km (0.112 R)
• M9: 7,772,956 km (0.072 R)
• M10: 9,874,806 km (0.044 R)
• M11: 12,233,366 km (0.103 R)
• M12: 13,677,584 km (0.078 R)
• M13: 15,698,053 km (0.096 R)
• M14: 16,474,466 km (0.078 R)
• M15: 18,233,886 km (0.041 R)
• M16: 20,676,371 km (0.105 R)
• M17: 21,537,007 km (0.099 R)
• M18: 26,202,965 km (0.063 R)
• M19: 27,126,133 km (0.07 R)
• M20: 27,724,674 km (0.099 R)
• M21: 30,116,744 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638

Radius: 7.1

Gravity: 12.66 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.05 AU - 8.25 AU

Year: 15023 Days

Day: 18.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,401,353 km

• M1: 92,003 km (0.05 R)
• M2: 358,736 km (0.115 R)
• M3: 680,820 km (0.098 R)
• M4: 957,277 km (0.093 R)
• M5: 1,434,195 km (0.091 R)
• M6: 2,097,362 km (0.088 R)
• M7: 2,434,855 km (0.034 R)
• M8: 2,854,627 km (0.074 R)
• M9: 4,191,583 km (0.102 R)
• M10: 4,439,018 km (0.097 R)
• M11: 4,663,414 km (0.12 R)
• M12: 5,863,788 km (0.073 R)
• M13: 7,083,160 km (0.092 R)
• M14: 7,524,773 km (0.095 R)
• M15: 8,365,962 km (0.099 R)
• M16: 9,011,327 km (0.111 R)
• M17: 10,798,274 km (0.119 R)
• M18: 13,199,918 km (0.102 R)
• M19: 14,700,983 km (0.116 R)
• M20: 15,565,958 km (0.047 R)
• M21: 17,956,980 km (0.106 R)
• M22: 18,446,614 km (0.064 R)
• M23: 18,777,824 km (0.086 R)
• M24: 21,940,323 km (0.109 R)
• M25: 24,533,153 km (0.078 R)
• M26: 28,628,545 km (0.088 R)
• M27: 29,521,494 km (0.068 R)
• M28: 31,835,025 km (0.12 R)
• M29: 33,035,997 km (0.05 R)
• M30: 34,767,592 km (0.082 R)
• M31: 40,324,106 km (0.035 R)
• M32: 40,882,256 km (0.088 R)
• M33: 42,300,144 km (0.092 R)
• M34: 47,987,855 km (0.073 R)
• M35: 48,614,670 km (0.055 R)
• M36: 50,205,644 km (0.116 R)
• M37: 50,851,607 km (0.114 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 13,987 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit