🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.2

Radius: 12.8

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.04 AU - 1.2 AU

Year: 765 Days

Day: 7.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,804,202 km

• M1: 159,172 km (0.037 R)
• M2: 648,656 km (0.107 R)
• M3: 1,200,224 km (0.074 R)
• M4: 1,707,211 km (0.067 R)
• M5: 2,483,025 km (0.08 R)
• M6: 3,367,149 km (0.061 R)
• M7: 3,770,614 km (0.102 R)
• M8: 5,044,141 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.1

Radius: 9.2

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.16 AU - 1.18 AU

Year: 817 Days

Day: 10.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,804,202 km

• M1: 114,442 km (0.098 R)
• M2: 407,205 km (0.098 R)
• M3: 804,089 km (0.099 R)
• M4: 1,276,668 km (0.098 R)
• M5: 1,951,803 km (0.116 R)
• M6: 2,276,281 km (0.11 R)
• M7: 2,772,647 km (0.066 R)
• M8: 3,715,862 km (0.11 R)
• M9: 4,190,386 km (0.053 R)
• M10: 4,969,641 km (0.062 R)
• M11: 6,003,213 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.7

Radius: 12.2

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.12 AU - 1.44 AU

Year: 935 Days

Day: 8.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,804,202 km

• M1: 151,842 km (0.114 R)
• M2: 593,305 km (0.103 R)
• M3: 1,261,110 km (0.108 R)
• M4: 1,664,725 km (0.053 R)
• M5: 2,070,285 km (0.058 R)
• M6: 3,884,010 km (0.029 R)
• M7: 4,676,729 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.3

Radius: 14.6

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.12 AU - 1.82 AU

Year: 1151 Days

Day: 11.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,804,202 km

• M1: 181,612 km (0.105 R)
• M2: 693,835 km (0.046 R)
• M3: 1,227,451 km (0.102 R)
• M4: 1,832,724 km (0.09 R)
• M5: 3,183,443 km (0.102 R)
• M6: 4,022,088 km (0.11 R)
• M7: 4,678,524 km (0.11 R)
• M8: 5,509,989 km (0.099 R)
• M9: 6,005,756 km (0.12 R)
• M10: 6,721,582 km (0.102 R)
• M11: 7,238,293 km (0.079 R)
• M12: 9,395,045 km (0.08 R)
• M13: 10,654,061 km (0.115 R)
• M14: 11,324,409 km (0.045 R)
• M15: 11,951,823 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.3

Radius: 13.8

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.77 AU - 1.93 AU

Year: 1625 Days

Day: 10 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,804,202 km

• M1: 171,888 km (0.092 R)
• M2: 617,091 km (0.116 R)
• M3: 1,055,263 km (0.106 R)
• M4: 1,940,135 km (0.063 R)
• M5: 2,468,814 km (0.102 R)
• M6: 3,735,908 km (0.084 R)
• M7: 5,053,865 km (0.045 R)
• M8: 5,533,775 km (0.083 R)
• M9: 6,261,868 km (0.115 R)
• M10: 7,267,913 km (0.04 R)
• M11: 7,852,691 km (0.118 R)
• M12: 8,289,667 km (0.12 R)
• M13: 9,864,932 km (0.061 R)
• M14: 11,819,728 km (0.11 R)
• M15: 12,988,835 km (0.106 R)
• M16: 13,894,201 km (0.052 R)
• M17: 14,405,527 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.2

Radius: 9.1

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.82 AU - 3.2 AU

Year: 3372 Days

Day: 13.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,804,202 km

• M1: 113,096 km (0.089 R)
• M2: 398,828 km (0.038 R)
• M3: 1,073,814 km (0.077 R)
• M4: 1,704,069 km (0.09 R)
• M5: 2,958,447 km (0.076 R)
• M6: 3,554,445 km (0.107 R)
• M7: 4,246,635 km (0.114 R)
• M8: 5,428,009 km (0.091 R)
• M9: 5,943,374 km (0.091 R)
• M10: 6,840,811 km (0.116 R)
• M11: 7,496,499 km (0.042 R)
• M12: 11,819,129 km (0.067 R)
• M13: 13,233,128 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.5

Radius: 8

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.3 AU - 5.4 AU

Year: 5858 Days

Day: 5.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,804,202 km

• M1: 99,632 km (0.038 R)
• M2: 662,120 km (0.103 R)
• M3: 974,780 km (0.036 R)
• M4: 1,351,617 km (0.077 R)
• M5: 1,795,174 km (0.04 R)
• M6: 2,090,331 km (0.071 R)
• M7: 2,817,676 km (0.112 R)
• M8: 3,963,596 km (0.09 R)
• M9: 4,363,919 km (0.119 R)
• M10: 5,014,670 km (0.115 R)
• M11: 5,423,222 km (0.114 R)
• M12: 5,949,059 km (0.099 R)
• M13: 7,962,795 km (0.063 R)
• M14: 8,438,517 km (0.119 R)
• M15: 9,359,591 km (0.105 R)
• M16: 9,934,495 km (0.043 R)
• M17: 11,009,057 km (0.04 R)
• M18: 11,400,405 km (0.114 R)
• M19: 12,419,466 km (0.092 R)
• M20: 14,059,956 km (0.089 R)
• M21: 14,754,988 km (0.09 R)
• M22: 15,412,021 km (0.041 R)
• M23: 15,964,038 km (0.119 R)
• M24: 18,577,662 km (0.097 R)
• M25: 19,841,914 km (0.084 R)
• M26: 23,331,882 km (0.108 R)
• M27: 23,653,518 km (0.103 R)
• M28: 28,288,957 km (0.071 R)
• M29: 29,582,680 km (0.119 R)
• M30: 31,401,042 km (0.091 R)
• M31: 34,629,663 km (0.065 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.7

Radius: 10.9

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.58 AU - 5.88 AU

Year: 8856 Days

Day: 6.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,804,202 km

• M1: 135,536 km (0.052 R)
• M2: 481,556 km (0.091 R)
• M3: 1,128,118 km (0.12 R)
• M4: 2,332,081 km (0.105 R)
• M5: 2,762,773 km (0.114 R)
• M6: 3,224,133 km (0.114 R)
• M7: 4,275,956 km (0.1 R)
• M8: 4,808,076 km (0.089 R)
• M9: 6,039,266 km (0.099 R)
• M10: 6,386,483 km (0.107 R)
• M11: 6,894,966 km (0.051 R)
• M12: 7,748,721 km (0.094 R)
• M13: 10,288,145 km (0.041 R)
• M14: 19,831,442 km (0.036 R)
• M15: 21,875,547 km (0.086 R)
• M16: 23,116,761 km (0.113 R)
• M17: 27,215,892 km (0.075 R)
• M18: 28,456,806 km (0.1 R)
• M19: 33,690,488 km (0.116 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.4

Radius: 10.8

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.27 AU - 6.59 AU

Year: 9324 Days

Day: 13.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,804,202 km

• M1: 134,339 km (0.109 R)
• M2: 742,903 km (0.027 R)
• M3: 1,542,952 km (0.116 R)
• M4: 2,061,459 km (0.092 R)
• M5: 3,406,792 km (0.085 R)
• M6: 5,386,122 km (0.101 R)
• M7: 5,981,820 km (0.079 R)
• M8: 9,687,809 km (0.077 R)
• M9: 10,713,900 km (0.09 R)
• M10: 13,765,398 km (0.065 R)
• M11: 17,824,885 km (0.066 R)
• M12: 20,835,243 km (0.062 R)
• M13: 21,599,090 km (0.093 R)
• M14: 21,987,895 km (0.112 R)
• M15: 22,779,567 km (0.075 R)
• M16: 24,252,508 km (0.054 R)
• M17: 30,782,155 km (0.111 R)
• M18: 32,580,471 km (0.065 R)
• M19: 33,298,541 km (0.101 R)
• M20: 35,408,021 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833

Radius: 3.8

Gravity: 57.69 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 6.8 AU - 8.94 AU

Year: 14255 Days

Day: 21.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 64,804,202 km

• M1: 47,572 km (0.081 R)
• M2: 388,356 km (0.1 R)
• M3: 1,133,653 km (0.113 R)
• M4: 2,033,035 km (0.085 R)
• M5: 2,395,660 km (0.051 R)
• M6: 2,547,801 km (0.053 R)
• M7: 2,683,337 km (0.115 R)
• M8: 2,920,001 km (0.089 R)
• M9: 3,327,356 km (0.093 R)
• M10: 4,510,376 km (0.052 R)
• M11: 4,709,191 km (0.074 R)
• M12: 9,579,350 km (0.066 R)
• M13: 9,852,665 km (0.083 R)
• M14: 10,357,857 km (0.087 R)
• M15: 10,880,104 km (0.091 R)
• M16: 12,551,860 km (0.075 R)
• M17: 14,245,607 km (0.109 R)
• M18: 15,781,229 km (0.108 R)
• M19: 18,328,133 km (0.086 R)
• M20: 19,005,213 km (0.078 R)
• M21: 19,436,653 km (0.056 R)
• M22: 21,692,589 km (0.114 R)
• M23: 21,880,334 km (0.099 R)
• M24: 24,521,036 km (0.027 R)
• M25: 26,608,824 km (0.028 R)
• M26: 28,474,010 km (0.057 R)
• M27: 32,217,996 km (0.082 R)
• M28: 33,452,029 km (0.107 R)
• M29: 36,409,279 km (0.077 R)
• M30: 40,522,024 km (0.087 R)
• M31: 41,958,912 km (0.103 R)
• M32: 42,984,704 km (0.12 R)
• M33: 43,132,507 km (0.052 R)
• M34: 50,472,676 km (0.076 R)
• M35: 56,095,910 km (0.116 R)
• M36: 57,519,334 km (0.036 R)
• M37: 60,437,989 km (0.116 R)
• M38: 62,311,403 km (0.055 R)
• M39: 63,837,750 km (0.118 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: 323 - 15,709 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit