🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.8

Radius: 14.6

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.72 AU - 0.86 AU

Year: 494 Days

Day: 5.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,988,541 km

• M1: 182,509 km (0.088 R)
• M2: 663,766 km (0.067 R)
• M3: 1,122,283 km (0.062 R)
• M4: 1,576,313 km (0.08 R)
• M5: 2,717,745 km (0.105 R)
• M6: 3,327,805 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.2

Radius: 9.6

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.86 AU - 0.96 AU

Year: 610 Days

Day: 11.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,988,541 km

• M1: 119,678 km (0.106 R)
• M2: 436,227 km (0.091 R)
• M3: 831,315 km (0.091 R)
• M4: 1,236,875 km (0.117 R)
• M5: 1,609,972 km (0.113 R)
• M6: 2,020,618 km (0.111 R)
• M7: 2,342,852 km (0.105 R)
• M8: 2,779,977 km (0.067 R)
• M9: 3,388,841 km (0.113 R)
• M10: 3,847,358 km (0.086 R)
• M11: 5,167,858 km (0.102 R)
• M12: 5,475,731 km (0.089 R)
• M13: 6,371,074 km (0.105 R)
• M14: 6,725,621 km (0.109 R)
• M15: 7,293,495 km (0.096 R)
• M16: 7,728,376 km (0.056 R)
• M17: 8,131,991 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.7

Radius: 9.9

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.02 AU - 1.34 AU

Year: 901 Days

Day: 6.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,988,541 km

• M1: 123,269 km (0.032 R)
• M2: 442,511 km (0.112 R)
• M3: 1,017,565 km (0.051 R)
• M4: 1,513,182 km (0.096 R)
• M5: 1,940,284 km (0.099 R)
• M6: 2,327,144 km (0.107 R)
• M7: 2,710,414 km (0.058 R)
• M8: 3,794,849 km (0.113 R)
• M9: 4,420,168 km (0.082 R)
• M10: 4,896,039 km (0.037 R)
• M11: 5,494,131 km (0.109 R)
• M12: 6,197,989 km (0.11 R)
• M13: 6,511,696 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.9

Radius: 13

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.94 AU - 1.54 AU

Year: 971 Days

Day: 12.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,988,541 km

• M1: 161,715 km (0.088 R)
• M2: 594,502 km (0.088 R)
• M3: 1,082,640 km (0.095 R)
• M4: 1,825,992 km (0.09 R)
• M5: 2,406,581 km (0.067 R)
• M6: 2,927,331 km (0.098 R)
• M7: 3,927,692 km (0.118 R)
• M8: 4,481,952 km (0.112 R)
• M9: 4,977,271 km (0.067 R)
• M10: 5,430,702 km (0.091 R)
• M11: 5,891,314 km (0.052 R)
• M12: 6,399,647 km (0.107 R)
• M13: 7,384,151 km (0.111 R)
• M14: 7,925,546 km (0.085 R)
• M15: 8,599,634 km (0.093 R)
• M16: 9,682,124 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.3

Radius: 9.9

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.56 AU - 2.32 AU

Year: 1899 Days

Day: 6.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 54,988,541 km

• M1: 128,654 km (0.101 R)
• M2: 481,705 km (0.083 R)
• M3: 3,029,955 km (0.066 R)
• M4: 3,757,151 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.1

Radius: 9.3

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.61 AU - 3.13 AU

Year: 3418 Days

Day: 7.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,988,541 km

• M1: 116,387 km (0.105 R)
• M2: 550,221 km (0.103 R)
• M3: 1,338,602 km (0.083 R)
• M4: 1,955,394 km (0.079 R)
• M5: 2,687,825 km (0.098 R)
• M6: 3,152,326 km (0.067 R)
• M7: 3,708,830 km (0.088 R)
• M8: 6,157,000 km (0.095 R)
• M9: 6,906,485 km (0.097 R)
• M10: 8,043,130 km (0.107 R)
• M11: 9,300,051 km (0.079 R)
• M12: 10,286,050 km (0.088 R)
• M13: 11,008,309 km (0.099 R)
• M14: 12,870,653 km (0.12 R)
• M15: 13,425,811 km (0.099 R)
• M16: 13,996,975 km (0.106 R)
• M17: 14,984,620 km (0.061 R)
• M18: 19,163,786 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.8

Radius: 13.4

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.69 AU - 5.35 AU

Year: 7906 Days

Day: 10.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,988,541 km

• M1: 166,652 km (0.086 R)
• M2: 633,248 km (0.076 R)
• M3: 1,117,945 km (0.046 R)
• M4: 2,299,170 km (0.112 R)
• M5: 3,313,294 km (0.109 R)
• M6: 3,734,860 km (0.119 R)
• M7: 5,134,498 km (0.113 R)
• M8: 6,147,874 km (0.061 R)
• M9: 7,108,592 km (0.107 R)
• M10: 7,663,301 km (0.083 R)
• M11: 8,366,859 km (0.105 R)
• M12: 8,943,559 km (0.118 R)
• M13: 9,679,431 km (0.098 R)
• M14: 10,834,476 km (0.103 R)
• M15: 12,871,102 km (0.099 R)
• M16: 15,638,513 km (0.065 R)
• M17: 16,836,193 km (0.072 R)
• M18: 19,130,875 km (0.12 R)
• M19: 19,699,646 km (0.069 R)
• M20: 22,166,664 km (0.101 R)
• M21: 26,637,247 km (0.057 R)
• M22: 32,875,927 km (0.052 R)
• M23: 34,314,311 km (0.112 R)
• M24: 34,838,053 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.5

Radius: 8.2

Gravity: 12.2 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.66 AU - 5.38 AU

Year: 7906 Days

Day: 5.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,988,541 km

• M1: 108,758 km (0.109 R)
• M2: 390,450 km (0.076 R)
• M3: 5,242,059 km (0.081 R)
• M4: 6,067,839 km (0.038 R)
• M5: 7,092,585 km (0.073 R)
• M6: 7,768,617 km (0.042 R)
• M7: 9,020,153 km (0.073 R)
• M8: 10,251,942 km (0.101 R)
• M9: 10,805,454 km (0.111 R)
• M10: 12,027,070 km (0.087 R)
• M11: 12,814,254 km (0.037 R)
• M12: 14,553,629 km (0.105 R)
• M13: 17,841,042 km (0.119 R)
• M14: 18,864,291 km (0.094 R)
• M15: 20,550,409 km (0.106 R)
• M16: 21,756,018 km (0.072 R)
• M17: 27,433,407 km (0.106 R)
• M18: 35,824,202 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 241.3

Radius: 4.1

Gravity: 14.35 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 6.21 AU - 6.35 AU

Year: 11062 Days

Day: 24.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,988,541 km

• M1: 51,013 km (0.043 R)
• M2: 213,476 km (0.105 R)
• M3: 362,476 km (0.103 R)
• M4: 629,657 km (0.079 R)
• M5: 853,306 km (0.107 R)
• M6: 1,628,074 km (0.099 R)
• M7: 1,809,237 km (0.061 R)
• M8: 2,245,763 km (0.117 R)
• M9: 2,787,756 km (0.069 R)
• M10: 3,434,618 km (0.099 R)
• M11: 4,543,736 km (0.104 R)
• M12: 5,047,731 km (0.101 R)
• M13: 6,400,994 km (0.061 R)
• M14: 12,241,893 km (0.032 R)
• M15: 17,342,283 km (0.111 R)
• M16: 18,219,076 km (0.115 R)
• M17: 19,195,950 km (0.067 R)
• M18: 19,409,725 km (0.09 R)
• M19: 26,235,128 km (0.05 R)
• M20: 26,941,230 km (0.06 R)
• M21: 30,759,566 km (0.107 R)
• M22: 31,150,316 km (0.061 R)
• M23: 31,742,574 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 529.3

Radius: 4.9

Gravity: 22.04 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.61 AU - 9.07 AU

Year: 13978 Days

Day: 22.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,988,541 km

• M1: 60,886 km (0.064 R)
• M2: 218,263 km (0.093 R)
• M3: 375,939 km (0.068 R)
• M4: 569,669 km (0.117 R)
• M5: 919,129 km (0.116 R)
• M6: 1,292,675 km (0.094 R)
• M7: 2,258,180 km (0.107 R)
• M8: 2,753,947 km (0.092 R)
• M9: 3,074,984 km (0.095 R)
• M10: 3,471,867 km (0.032 R)
• M11: 4,015,207 km (0.05 R)
• M12: 4,520,100 km (0.114 R)
• M13: 6,562,709 km (0.119 R)
• M14: 7,433,219 km (0.106 R)
• M15: 8,854,997 km (0.07 R)
• M16: 13,215,177 km (0.055 R)
• M17: 13,600,092 km (0.094 R)
• M18: 13,926,664 km (0.05 R)
• M19: 14,459,831 km (0.068 R)
• M20: 14,937,497 km (0.105 R)
• M21: 16,655,180 km (0.071 R)
• M22: 16,878,829 km (0.113 R)
• M23: 20,648,097 km (0.117 R)
• M24: 21,166,304 km (0.1 R)
• M25: 22,499,819 km (0.117 R)
• M26: 26,026,888 km (0.033 R)
• M27: 28,395,321 km (0.049 R)
• M28: 30,679,831 km (0.097 R)
• M29: 32,500,586 km (0.107 R)
• M30: 35,120,045 km (0.078 R)
• M31: 35,982,028 km (0.05 R)
• M32: 41,044,719 km (0.027 R)
• M33: 42,832,414 km (0.044 R)
• M34: 47,303,296 km (0.107 R)
• M35: 47,901,986 km (0.115 R)
• M36: 51,442,519 km (0.066 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 17,782 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit