🌌 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: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.55 AU - 0.63 AU

Year: 297 Days

Day: 36.2 Hours

Environment

Temp: -120 °C

Axial Tilt: 176.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 95,292,871 km

• M1: 43,383 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.5

Radius: 12.4

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.73 AU - 0.87 AU

Year: 469 Days

Day: 12.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 95,292,871 km

• M1: 154,385 km (0.06 R)
• M2: 910,602 km (0.1 R)
• M3: 1,957,488 km (0.06 R)
• M4: 2,379,953 km (0.076 R)
• M5: 3,118,966 km (0.032 R)
• M6: 5,510,886 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.8

Radius: 8.6

Gravity: 11.88 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.15 AU - 1.37 AU

Year: 928 Days

Day: 5.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 95,292,871 km

• M1: 110,104 km (0.11 R)
• M2: 406,757 km (0.064 R)
• M3: 935,435 km (0.056 R)
• M4: 1,312,572 km (0.071 R)
• M5: 1,636,152 km (0.049 R)
• M6: 2,033,185 km (0.084 R)
• M7: 2,541,069 km (0.03 R)
• M8: 3,035,939 km (0.043 R)
• M9: 6,482,824 km (0.085 R)
• M10: 7,632,334 km (0.087 R)
• M11: 8,335,743 km (0.059 R)
• M12: 8,800,394 km (0.087 R)
• M13: 10,422,783 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.5

Radius: 12.1

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.76 AU - 2 AU

Year: 1691 Days

Day: 13 Hours

Environment

Temp: -186 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 95,292,871 km

• M1: 150,495 km (0.064 R)
• M2: 617,091 km (0.115 R)
• M3: 1,075,010 km (0.066 R)
• M4: 2,023,760 km (0.092 R)
• M5: 2,502,772 km (0.113 R)
• M6: 2,957,251 km (0.09 R)
• M7: 3,522,282 km (0.098 R)
• M8: 3,913,181 km (0.056 R)
• M9: 4,398,028 km (0.103 R)
• M10: 4,940,320 km (0.074 R)
• M11: 5,977,033 km (0.046 R)
• M12: 8,478,310 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501

Radius: 14.4

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.9 AU - 4.3 AU

Year: 4481 Days

Day: 10.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 95,292,871 km

• M1: 181,911 km (0.081 R)
• M2: 978,968 km (0.116 R)
• M3: 1,999,824 km (0.061 R)
• M4: 3,490,268 km (0.081 R)
• M5: 5,206,006 km (0.101 R)
• M6: 5,711,946 km (0.097 R)
• M7: 6,792,342 km (0.082 R)
• M8: 8,109,252 km (0.102 R)
• M9: 10,068,086 km (0.087 R)
• M10: 11,821,972 km (0.04 R)
• M11: 12,987,040 km (0.081 R)
• M12: 14,432,903 km (0.1 R)
• M13: 15,382,850 km (0.057 R)
• M14: 17,000,452 km (0.062 R)
• M15: 18,606,235 km (0.079 R)
• M16: 20,376,128 km (0.057 R)
• M17: 22,255,825 km (0.117 R)
• M18: 22,883,837 km (0.074 R)
• M19: 23,811,942 km (0.115 R)
• M20: 25,288,622 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.3

Radius: 14.3

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.32 AU - 5.12 AU

Year: 5687 Days

Day: 7.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 95,292,871 km

• M1: 178,620 km (0.118 R)
• M2: 724,652 km (0.078 R)
• M3: 1,630,318 km (0.093 R)
• M4: 2,673,314 km (0.026 R)
• M5: 3,417,713 km (0.099 R)
• M6: 4,423,459 km (0.089 R)
• M7: 5,469,149 km (0.089 R)
• M8: 9,956,785 km (0.047 R)
• M9: 11,354,030 km (0.076 R)
• M10: 15,960,298 km (0.11 R)
• M11: 18,880,149 km (0.061 R)
• M12: 21,310,516 km (0.104 R)
• M13: 22,216,032 km (0.115 R)
• M14: 32,239,388 km (0.069 R)
• M15: 33,231,821 km (0.113 R)
• M16: 34,040,547 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949.5

Radius: 7.9

Gravity: 15.21 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.46 AU - 6.8 AU

Year: 11199 Days

Day: 21 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 95,292,871 km

• M1: 101,727 km (0.096 R)
• M2: 499,208 km (0.116 R)
• M3: 1,416,243 km (0.097 R)
• M4: 1,667,268 km (0.103 R)
• M5: 2,147,178 km (0.116 R)
• M6: 4,034,804 km (0.084 R)
• M7: 5,735,283 km (0.098 R)
• M8: 6,950,616 km (0.111 R)
• M9: 7,204,334 km (0.047 R)
• M10: 10,148,570 km (0.111 R)
• M11: 12,218,107 km (0.1 R)
• M12: 18,189,755 km (0.103 R)
• M13: 20,604,414 km (0.094 R)
• M14: 22,944,125 km (0.072 R)
• M15: 29,227,086 km (0.026 R)
• M16: 32,406,190 km (0.102 R)
• M17: 34,200,616 km (0.075 R)
• M18: 50,369,603 km (0.109 R)
• M19: 52,286,550 km (0.045 R)
• M20: 55,420,326 km (0.097 R)
• M21: 56,095,611 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 946.1

Radius: 6.4

Gravity: 23.1 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 6.58 AU - 9.9 AU

Year: 15517 Days

Day: 19.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 95,292,871 km

• M1: 81,980 km (0.079 R)
• M2: 345,721 km (0.1 R)
• M3: 651,349 km (0.074 R)
• M4: 937,829 km (0.113 R)
• M5: 1,455,288 km (0.095 R)
• M6: 2,938,401 km (0.104 R)
• M7: 3,276,941 km (0.075 R)
• M8: 5,921,682 km (0.031 R)
• M9: 7,452,068 km (0.073 R)
• M10: 9,615,553 km (0.053 R)
• M11: 16,141,909 km (0.064 R)
• M12: 20,719,305 km (0.068 R)
• M13: 22,949,660 km (0.08 R)
• M14: 30,229,242 km (0.025 R)
• M15: 31,949,318 km (0.098 R)
• M16: 37,919,021 km (0.079 R)
• M17: 42,589,167 km (0.079 R)
• M18: 45,694,670 km (0.1 R)
• M19: 46,173,084 km (0.101 R)
• M20: 49,281,428 km (0.109 R)
• M21: 53,579,973 km (0.111 R)
• M22: 61,546,359 km (0.071 R)
• M23: 65,304,557 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.1

Radius: 7.8

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 8.09 AU - 10.81 AU

Year: 19057 Days

Day: 15.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 95,292,871 km

• M1: 99,183 km (0.108 R)
• M2: 379,231 km (0.096 R)
• M3: 661,372 km (0.099 R)
• M4: 961,017 km (0.103 R)
• M5: 1,749,248 km (0.093 R)
• M6: 2,432,312 km (0.097 R)
• M7: 2,738,239 km (0.099 R)
• M8: 3,428,185 km (0.115 R)
• M9: 4,344,472 km (0.114 R)
• M10: 4,891,252 km (0.105 R)
• M11: 6,928,177 km (0.099 R)
• M12: 7,419,905 km (0.1 R)
• M13: 7,674,371 km (0.118 R)
• M14: 8,939,819 km (0.086 R)
• M15: 9,228,094 km (0.087 R)
• M16: 12,884,117 km (0.089 R)
• M17: 15,473,357 km (0.12 R)
• M18: 15,749,963 km (0.064 R)
• M19: 16,962,753 km (0.09 R)
• M20: 18,236,579 km (0.107 R)
• M21: 19,978,048 km (0.109 R)
• M22: 22,793,928 km (0.107 R)
• M23: 23,423,586 km (0.116 R)
• M24: 24,717,458 km (0.034 R)
• M25: 26,647,570 km (0.075 R)
• M26: 27,245,662 km (0.092 R)
• M27: 32,696,260 km (0.115 R)
• M28: 39,471,548 km (0.119 R)
• M29: 40,248,559 km (0.109 R)
• M30: 46,836,700 km (0.051 R)
• M31: 50,688,546 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914.5

Radius: 3.7

Gravity: 66.8 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 9.81 AU - 12.39 AU

Year: 24260 Days

Day: 22.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 95,292,871 km

• M1: 46,076 km (0.089 R)
• M2: 318,793 km (0.034 R)
• M3: 466,147 km (0.083 R)
• M4: 890,855 km (0.045 R)
• M5: 1,297,911 km (0.098 R)
• M6: 2,695,604 km (0.101 R)
• M7: 2,883,499 km (0.12 R)
• M8: 8,382,866 km (0.081 R)
• M9: 8,900,176 km (0.066 R)
• M10: 10,845,098 km (0.12 R)
• M11: 13,438,526 km (0.048 R)
• M12: 17,965,059 km (0.111 R)
• M13: 20,929,490 km (0.111 R)
• M14: 22,418,139 km (0.059 R)
• M15: 25,131,694 km (0.109 R)
• M16: 31,335,518 km (0.113 R)
• M17: 39,907,626 km (0.057 R)
• M18: 40,874,626 km (0.076 R)
• M19: 46,828,322 km (0.094 R)
• M20: 49,179,103 km (0.112 R)
• M21: 54,901,521 km (0.103 R)
• M22: 60,206,710 km (0.106 R)
• M23: 64,733,093 km (0.118 R)
• M24: 78,401,551 km (0.098 R)
• M25: 89,966,364 km (0.108 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 15,287 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit