🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.1

Radius: 9.8

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.82 AU - 1.24 AU

Year: 697 Days

Day: 6.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,057,426 km

• M1: 122,072 km (0.063 R)
• M2: 498,311 km (0.053 R)
• M3: 846,425 km (0.105 R)
• M4: 1,224,758 km (0.114 R)
• M5: 1,700,180 km (0.084 R)
• M6: 2,217,788 km (0.087 R)
• M7: 2,691,864 km (0.078 R)
• M8: 3,677,415 km (0.119 R)
• M9: 4,578,592 km (0.073 R)
• M10: 5,089,768 km (0.086 R)
• M11: 5,439,528 km (0.118 R)
• M12: 6,586,495 km (0.051 R)
• M13: 7,282,275 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.7

Radius: 8.6

Gravity: 12.83 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.62 AU - 1.66 AU

Year: 1401 Days

Day: 9.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 54.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,057,426 km

• M1: 106,962 km (0.09 R)
• M2: 549,772 km (0.12 R)
• M3: 1,236,127 km (0.078 R)
• M4: 1,517,371 km (0.07 R)
• M5: 2,129,675 km (0.073 R)
• M6: 2,460,586 km (0.068 R)
• M7: 2,970,266 km (0.113 R)
• M8: 3,242,833 km (0.102 R)
• M9: 3,532,155 km (0.094 R)
• M10: 3,873,837 km (0.118 R)
• M11: 5,291,127 km (0.054 R)
• M12: 5,739,622 km (0.107 R)
• M13: 6,189,163 km (0.032 R)
• M14: 6,459,935 km (0.104 R)
• M15: 7,131,779 km (0.099 R)
• M16: 8,828,518 km (0.061 R)
• M17: 9,235,873 km (0.076 R)
• M18: 10,292,034 km (0.047 R)
• M19: 10,708,066 km (0.085 R)
• M20: 11,797,737 km (0.088 R)
• M21: 12,330,754 km (0.07 R)
• M22: 12,760,698 km (0.108 R)
• M23: 13,322,438 km (0.075 R)
• M24: 14,153,455 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.7

Radius: 11.4

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.6 AU - 2.64 AU

Year: 2058 Days

Day: 8.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,057,426 km

• M1: 141,819 km (0.111 R)
• M2: 508,932 km (0.103 R)
• M3: 1,436,289 km (0.059 R)
• M4: 1,899,893 km (0.091 R)
• M5: 2,323,554 km (0.084 R)
• M6: 3,023,822 km (0.1 R)
• M7: 4,210,731 km (0.036 R)
• M8: 4,919,825 km (0.043 R)
• M9: 5,333,762 km (0.1 R)
• M10: 8,190,334 km (0.049 R)
• M11: 8,916,482 km (0.117 R)
• M12: 9,654,747 km (0.072 R)
• M13: 10,723,624 km (0.112 R)
• M14: 11,152,671 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.5

Radius: 13.4

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.45 AU - 3.93 AU

Year: 4727 Days

Day: 14.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,057,426 km

• M1: 172,187 km (0.075 R)
• M2: 664,663 km (0.109 R)
• M3: 1,252,882 km (0.068 R)
• M4: 1,873,863 km (0.036 R)
• M5: 3,449,428 km (0.103 R)
• M6: 4,035,253 km (0.092 R)
• M7: 5,159,481 km (0.069 R)
• M8: 6,079,059 km (0.104 R)
• M9: 7,309,950 km (0.097 R)
• M10: 7,984,786 km (0.095 R)
• M11: 8,700,762 km (0.066 R)
• M12: 9,174,837 km (0.095 R)
• M13: 9,791,629 km (0.102 R)
• M14: 14,969,511 km (0.108 R)
• M15: 15,651,677 km (0.099 R)
• M16: 16,117,974 km (0.114 R)
• M17: 17,262,697 km (0.072 R)
• M18: 17,823,539 km (0.03 R)
• M19: 18,916,052 km (0.071 R)
• M20: 21,093,150 km (0.082 R)
• M21: 23,889,733 km (0.116 R)
• M22: 27,258,677 km (0.112 R)
• M23: 28,276,690 km (0.119 R)
• M24: 29,144,208 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.9

Radius: 10.2

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.52 AU - 6.38 AU

Year: 8484 Days

Day: 5.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,057,426 km

• M1: 127,009 km (0.105 R)
• M2: 519,105 km (0.11 R)
• M3: 946,805 km (0.066 R)
• M4: 1,943,127 km (0.078 R)
• M5: 2,464,027 km (0.091 R)
• M6: 2,894,270 km (0.062 R)
• M7: 3,286,964 km (0.054 R)
• M8: 4,548,224 km (0.099 R)
• M9: 5,687,711 km (0.056 R)
• M10: 6,341,304 km (0.051 R)
• M11: 6,971,710 km (0.094 R)
• M12: 7,528,363 km (0.056 R)
• M13: 8,357,435 km (0.053 R)
• M14: 10,384,785 km (0.089 R)
• M15: 10,719,735 km (0.091 R)
• M16: 11,260,830 km (0.082 R)
• M17: 12,291,111 km (0.101 R)
• M18: 12,829,214 km (0.099 R)
• M19: 15,821,920 km (0.086 R)
• M20: 16,783,984 km (0.029 R)
• M21: 17,179,520 km (0.085 R)
• M22: 20,872,793 km (0.119 R)
• M23: 21,253,669 km (0.062 R)
• M24: 24,301,875 km (0.06 R)
• M25: 25,408,301 km (0.106 R)
• M26: 26,370,514 km (0.09 R)
• M27: 27,813,087 km (0.056 R)
• M28: 30,855,159 km (0.087 R)
• M29: 31,548,994 km (0.102 R)
• M30: 32,050,895 km (0.12 R)
• M31: 34,112,054 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.5

Radius: 14.6

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.66 AU - 6.7 AU

Year: 9027 Days

Day: 9.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,057,426 km

• M1: 190,588 km (0.086 R)
• M2: 1,553,275 km (0.07 R)
• M3: 2,577,871 km (0.107 R)
• M4: 5,887,424 km (0.085 R)
• M5: 6,421,189 km (0.12 R)
• M6: 7,962,496 km (0.101 R)
• M7: 8,516,457 km (0.085 R)
• M8: 9,811,825 km (0.033 R)
• M9: 12,186,691 km (0.101 R)
• M10: 12,704,150 km (0.096 R)
• M11: 18,046,290 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.7

Radius: 3.1

Gravity: 39.82 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.95 AU - 7.67 AU

Year: 11851 Days

Day: 15.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,057,426 km

• M1: 39,793 km (0.101 R)
• M2: 167,699 km (0.045 R)
• M3: 477,516 km (0.096 R)
• M4: 633,996 km (0.062 R)
• M5: 842,086 km (0.04 R)
• M6: 1,640,490 km (0.074 R)
• M7: 2,294,233 km (0.092 R)
• M8: 2,823,361 km (0.089 R)
• M9: 3,195,710 km (0.113 R)
• M10: 4,036,899 km (0.078 R)
• M11: 4,772,471 km (0.046 R)
• M12: 5,046,684 km (0.113 R)
• M13: 5,693,545 km (0.116 R)
• M14: 6,072,028 km (0.096 R)
• M15: 6,178,093 km (0.084 R)
• M16: 6,916,957 km (0.059 R)
• M17: 7,795,844 km (0.11 R)
• M18: 7,963,244 km (0.116 R)
• M19: 9,771,733 km (0.088 R)
• M20: 13,146,062 km (0.038 R)
• M21: 14,803,158 km (0.093 R)
• M22: 16,456,963 km (0.079 R)
• M23: 20,361,916 km (0.104 R)
• M24: 21,161,965 km (0.06 R)
• M25: 24,661,658 km (0.091 R)
• M26: 26,219,271 km (0.076 R)
• M27: 30,552,672 km (0.056 R)
• M28: 33,987,888 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 54.8

Radius: 6.7

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 6.64 AU - 7.42 AU

Year: 12430 Days

Day: 18.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,057,426 km

• M1: 83,326 km (0.115 R)
• M2: 1,348,176 km (0.094 R)
• M3: 1,974,991 km (0.077 R)
• M4: 2,414,360 km (0.103 R)
• M5: 3,850,799 km (0.057 R)
• M6: 4,217,164 km (0.117 R)
• M7: 5,948,161 km (0.109 R)
• M8: 7,764,429 km (0.107 R)
• M9: 9,685,864 km (0.093 R)
• M10: 10,363,991 km (0.107 R)
• M11: 11,030,599 km (0.088 R)
• M12: 12,963,703 km (0.118 R)
• M13: 15,589,744 km (0.114 R)
• M14: 17,544,539 km (0.069 R)
• M15: 21,133,990 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 541.1

Radius: 4.9

Gravity: 22.54 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.32 AU - 7.9 AU

Year: 12643 Days

Day: 20.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 168.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,057,426 km

• M1: 61,036 km (0.028 R)
• M2: 257,458 km (0.058 R)
• M3: 474,973 km (0.1 R)
• M4: 767,437 km (0.077 R)
• M5: 939,325 km (0.113 R)
• M6: 1,172,698 km (0.06 R)
• M7: 1,602,492 km (0.095 R)
• M8: 1,756,578 km (0.114 R)
• M9: 2,435,154 km (0.088 R)
• M10: 2,639,804 km (0.099 R)
• M11: 3,201,843 km (0.112 R)
• M12: 4,005,184 km (0.109 R)
• M13: 4,175,127 km (0.102 R)
• M14: 4,349,708 km (0.101 R)
• M15: 4,620,779 km (0.115 R)
• M16: 5,230,241 km (0.09 R)
• M17: 6,074,571 km (0.113 R)
• M18: 9,003,099 km (0.089 R)
• M19: 10,473,646 km (0.105 R)
• M20: 11,633,778 km (0.074 R)
• M21: 14,535,528 km (0.088 R)
• M22: 16,117,076 km (0.044 R)
• M23: 18,347,580 km (0.096 R)
• M24: 23,776,637 km (0.088 R)
• M25: 25,767,784 km (0.109 R)
• M26: 27,458,988 km (0.106 R)
• M27: 28,591,893 km (0.07 R)
• M28: 28,906,198 km (0.117 R)
• M29: 29,970,437 km (0.12 R)
• M30: 30,403,374 km (0.115 R)
• M31: 34,253,275 km (0.119 R)
• M32: 35,324,096 km (0.074 R)
• M33: 37,407,546 km (0.112 R)
• M34: 49,965,988 km (0.115 R)
• M35: 51,651,507 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.2

Radius: 3.5

Gravity: 30.3 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 8.68 AU - 9.7 AU

Year: 18578 Days

Day: 15.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,057,426 km

• M1: 44,431 km (0.102 R)
• M2: 289,771 km (0.098 R)
• M3: 859,290 km (0.063 R)
• M4: 1,311,375 km (0.097 R)
• M5: 1,482,814 km (0.088 R)
• M6: 1,605,185 km (0.104 R)
• M7: 2,424,981 km (0.117 R)
• M8: 2,728,665 km (0.052 R)
• M9: 3,463,939 km (0.096 R)
• M10: 4,200,708 km (0.112 R)
• M11: 5,104,878 km (0.098 R)
• M12: 6,776,036 km (0.085 R)
• M13: 7,114,725 km (0.074 R)
• M14: 9,491,835 km (0.097 R)
• M15: 10,574,774 km (0.049 R)
• M16: 11,145,939 km (0.112 R)
• M17: 14,040,209 km (0.089 R)
• M18: 15,513,598 km (0.057 R)
• M19: 17,087,069 km (0.094 R)
• M20: 26,360,342 km (0.119 R)
• M21: 45,103,758 km (0.117 R)
• M22: 52,255,284 km (0.094 R)
• M23: 53,405,692 km (0.118 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: 242 - 13,321 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit