🌌 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: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.2

Radius: 10.5

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.58 AU - 0.82 AU

Year: 397 Days

Day: 9.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,301,628 km

• M1: 135,984 km (0.117 R)
• M2: 565,031 km (0.116 R)
• M3: 1,070,522 km (0.068 R)
• M4: 1,476,232 km (0.096 R)
• M5: 2,334,475 km (0.099 R)
• M6: 3,127,792 km (0.116 R)
• M7: 3,667,242 km (0.086 R)
• M8: 4,051,858 km (0.052 R)
• M9: 4,392,792 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.1

Radius: 9.7

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.82 AU - 1.32 AU

Year: 751 Days

Day: 6.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,301,628 km

• M1: 120,725 km (0.034 R)
• M2: 625,170 km (0.111 R)
• M3: 1,009,786 km (0.038 R)
• M4: 1,318,855 km (0.081 R)
• M5: 1,700,928 km (0.102 R)
• M6: 2,008,950 km (0.074 R)
• M7: 2,430,666 km (0.068 R)
• M8: 3,756,552 km (0.082 R)
• M9: 4,568,270 km (0.077 R)
• M10: 5,097,996 km (0.025 R)
• M11: 6,845,748 km (0.095 R)
• M12: 7,492,460 km (0.044 R)
• M13: 7,879,918 km (0.115 R)
• M14: 9,069,072 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.7

Radius: 13.9

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.67 AU - 3.05 AU

Year: 3281 Days

Day: 11.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,301,628 km

• M1: 173,085 km (0.096 R)
• M2: 626,516 km (0.115 R)
• M3: 1,066,034 km (0.112 R)
• M4: 1,546,393 km (0.095 R)
• M5: 2,186,074 km (0.048 R)
• M6: 2,998,839 km (0.054 R)
• M7: 3,536,643 km (0.087 R)
• M8: 4,314,403 km (0.099 R)
• M9: 5,003,301 km (0.071 R)
• M10: 6,161,039 km (0.066 R)
• M11: 6,682,238 km (0.116 R)
• M12: 8,207,687 km (0.077 R)
• M13: 9,003,249 km (0.12 R)
• M14: 9,538,959 km (0.116 R)
• M15: 10,025,152 km (0.116 R)
• M16: 11,160,899 km (0.119 R)
• M17: 12,462,400 km (0.114 R)
• M18: 13,128,709 km (0.06 R)
• M19: 15,131,226 km (0.1 R)
• M20: 16,974,870 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.9

Radius: 11.4

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.23 AU - 4.28 AU

Year: 4925 Days

Day: 6.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 85,301,628 km

• M1: 144,212 km (0.119 R)
• M2: 601,982 km (0.077 R)
• M3: 1,159,832 km (0.088 R)
• M4: 1,955,244 km (0.098 R)
• M5: 2,591,933 km (0.077 R)
• M6: 3,083,960 km (0.065 R)
• M7: 3,518,093 km (0.055 R)
• M8: 3,907,347 km (0.048 R)
• M9: 4,348,212 km (0.097 R)
• M10: 5,200,022 km (0.07 R)
• M11: 5,902,384 km (0.06 R)
• M12: 9,092,708 km (0.059 R)
• M13: 9,910,560 km (0.061 R)
• M14: 11,828,105 km (0.043 R)
• M15: 12,707,591 km (0.104 R)
• M16: 13,580,644 km (0.085 R)
• M17: 16,327,860 km (0.11 R)
• M18: 16,723,995 km (0.061 R)
• M19: 17,359,487 km (0.053 R)
• M20: 17,831,617 km (0.071 R)
• M21: 20,781,388 km (0.07 R)
• M22: 23,392,769 km (0.072 R)
• M23: 23,824,209 km (0.075 R)
• M24: 24,926,147 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.7

Radius: 3

Gravity: 99.19 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 7.27 AU - 10.81 AU

Year: 18435 Days

Day: 17.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 85,301,628 km

• M1: 39,943 km (0.117 R)
• M2: 160,070 km (0.099 R)
• M3: 423,811 km (0.041 R)
• M4: 808,427 km (0.119 R)
• M5: 1,281,455 km (0.082 R)
• M6: 1,404,275 km (0.075 R)
• M7: 2,291,690 km (0.116 R)
• M8: 3,048,655 km (0.106 R)
• M9: 3,587,207 km (0.111 R)
• M10: 4,423,160 km (0.093 R)
• M11: 5,148,710 km (0.12 R)
• M12: 6,648,578 km (0.099 R)
• M13: 7,448,628 km (0.035 R)
• M14: 7,645,798 km (0.101 R)
• M15: 9,069,072 km (0.066 R)
• M16: 9,237,369 km (0.109 R)
• M17: 9,580,098 km (0.076 R)
• M18: 9,990,744 km (0.104 R)
• M19: 11,817,334 km (0.03 R)
• M20: 13,707,204 km (0.113 R)
• M21: 16,862,672 km (0.085 R)
• M22: 19,154,063 km (0.09 R)
• M23: 20,856,636 km (0.097 R)
• M24: 21,644,718 km (0.089 R)
• M25: 22,147,217 km (0.108 R)
• M26: 22,350,371 km (0.115 R)
• M27: 22,452,396 km (0.07 R)
• M28: 27,842,109 km (0.078 R)
• M29: 30,020,403 km (0.058 R)
• M30: 31,533,885 km (0.083 R)
• M31: 32,049,549 km (0.052 R)
• M32: 33,363,168 km (0.069 R)
• M33: 35,817,321 km (0.093 R)
• M34: 39,421,582 km (0.095 R)
• M35: 42,786,936 km (0.052 R)
• M36: 43,896,503 km (0.116 R)
• M37: 47,004,848 km (0.105 R)
• M38: 53,290,501 km (0.074 R)
• M39: 54,759,403 km (0.107 R)
• M40: 55,503,952 km (0.086 R)
• M41: 58,162,904 km (0.109 R)
• M42: 58,356,035 km (0.105 R)
• M43: 58,743,493 km (0.115 R)
• M44: 68,136,295 km (0.101 R)
• M45: 78,245,670 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.2

Radius: 5.1

Gravity: 30.77 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 9.55 AU - 10.77 AU

Year: 21965 Days

Day: 22.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 85,301,628 km

• M1: 65,524 km (0.119 R)
• M2: 460,462 km (0.089 R)
• M3: 705,204 km (0.068 R)
• M4: 898,784 km (0.099 R)
• M5: 1,301,651 km (0.101 R)
• M6: 1,596,359 km (0.059 R)
• M7: 2,036,625 km (0.116 R)
• M8: 2,229,457 km (0.11 R)
• M9: 2,434,556 km (0.109 R)
• M10: 3,296,838 km (0.119 R)
• M11: 3,594,089 km (0.118 R)
• M12: 5,356,651 km (0.108 R)
• M13: 6,560,764 km (0.113 R)
• M14: 9,372,755 km (0.119 R)
• M15: 9,969,352 km (0.066 R)
• M16: 10,654,360 km (0.098 R)
• M17: 12,610,353 km (0.11 R)
• M18: 14,167,666 km (0.098 R)
• M19: 16,780,543 km (0.116 R)
• M20: 23,256,485 km (0.061 R)
• M21: 27,701,337 km (0.073 R)
• M22: 28,925,795 km (0.091 R)
• M23: 29,551,414 km (0.044 R)
• M24: 30,829,728 km (0.109 R)
• M25: 35,879,703 km (0.109 R)
• M26: 45,194,863 km (0.095 R)
• M27: 46,718,069 km (0.115 R)
• M28: 51,492,036 km (0.114 R)
• M29: 54,658,873 km (0.082 R)
• M30: 54,849,012 km (0.083 R)
• M31: 56,581,056 km (0.049 R)
• M32: 58,349,153 km (0.096 R)
• M33: 63,034,260 km (0.104 R)
• M34: 68,184,017 km (0.092 R)
• M35: 75,949,044 km (0.057 R)
• M36: 80,781,055 km (0.116 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 11,472 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit