🌌 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: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.6

Radius: 8.6

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.62 AU - 0.76 AU

Year: 364 Days

Day: 12.2 Hours

Environment

Temp: -128 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,040,582 km

• M1: 107,561 km (0.029 R)
• M2: 411,993 km (0.099 R)
• M3: 688,599 km (0.081 R)
• M4: 1,008,888 km (0.11 R)
• M5: 1,710,352 km (0.084 R)
• M6: 2,078,363 km (0.071 R)
• M7: 2,932,567 km (0.089 R)
• M8: 3,608,600 km (0.089 R)
• M9: 3,937,865 km (0.081 R)
• M10: 4,259,500 km (0.107 R)
• M11: 5,692,498 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.6

Radius: 12.6

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.65 AU - 0.85 AU

Year: 413 Days

Day: 5.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,040,582 km

• M1: 156,629 km (0.029 R)
• M2: 689,048 km (0.111 R)
• M3: 1,824,196 km (0.047 R)
• M4: 2,252,196 km (0.048 R)
• M5: 2,671,369 km (0.086 R)
• M6: 3,121,808 km (0.092 R)
• M7: 4,075,196 km (0.093 R)
• M8: 4,482,999 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.4

Radius: 8.8

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.99 AU - 1.19 AU

Year: 724 Days

Day: 14 Hours

Environment

Temp: -166 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,040,582 km

• M1: 109,506 km (0.116 R)
• M2: 398,529 km (0.067 R)
• M3: 754,422 km (0.055 R)
• M4: 1,196,633 km (0.089 R)
• M5: 1,788,293 km (0.069 R)
• M6: 2,327,294 km (0.07 R)
• M7: 2,686,628 km (0.078 R)
• M8: 3,171,774 km (0.075 R)
• M9: 3,829,855 km (0.113 R)
• M10: 4,461,607 km (0.089 R)
• M11: 5,415,892 km (0.076 R)
• M12: 6,050,486 km (0.05 R)
• M13: 6,396,356 km (0.113 R)
• M14: 6,841,709 km (0.118 R)
• M15: 7,150,030 km (0.032 R)
• M16: 7,889,792 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.7

Radius: 12.8

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.3 AU - 2.12 AU

Year: 1422 Days

Day: 5.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,040,582 km

• M1: 159,172 km (0.105 R)
• M2: 589,266 km (0.079 R)
• M3: 1,069,326 km (0.078 R)
• M4: 1,471,893 km (0.098 R)
• M5: 2,161,091 km (0.037 R)
• M6: 2,600,609 km (0.095 R)
• M7: 3,615,332 km (0.089 R)
• M8: 4,240,800 km (0.05 R)
• M9: 5,118,192 km (0.096 R)
• M10: 5,600,495 km (0.102 R)
• M11: 6,754,793 km (0.082 R)
• M12: 8,600,232 km (0.086 R)
• M13: 9,162,870 km (0.099 R)
• M14: 9,686,911 km (0.107 R)
• M15: 11,450,520 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.7

Radius: 12.4

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.61 AU - 2.65 AU

Year: 2712 Days

Day: 6.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,040,582 km

• M1: 154,235 km (0.101 R)
• M2: 542,891 km (0.107 R)
• M3: 945,309 km (0.105 R)
• M4: 2,045,003 km (0.119 R)
• M5: 2,617,813 km (0.107 R)
• M6: 3,026,814 km (0.117 R)
• M7: 3,461,844 km (0.102 R)
• M8: 5,475,731 km (0.119 R)
• M9: 6,561,811 km (0.106 R)
• M10: 7,100,663 km (0.067 R)
• M11: 7,524,175 km (0.074 R)
• M12: 8,175,823 km (0.081 R)
• M13: 8,609,806 km (0.119 R)
• M14: 9,223,606 km (0.116 R)
• M15: 10,110,572 km (0.089 R)
• M16: 10,794,085 km (0.058 R)
• M17: 11,355,376 km (0.114 R)
• M18: 13,667,561 km (0.063 R)
• M19: 14,236,033 km (0.076 R)
• M20: 15,049,097 km (0.082 R)
• M21: 15,608,144 km (0.06 R)
• M22: 16,132,784 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.9

Radius: 14.4

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.6 AU - 2.76 AU

Year: 2790 Days

Day: 5.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,040,582 km

• M1: 179,069 km (0.12 R)
• M2: 693,386 km (0.072 R)
• M3: 1,410,858 km (0.067 R)
• M4: 1,963,322 km (0.09 R)
• M5: 4,063,976 km (0.075 R)
• M6: 5,759,219 km (0.096 R)
• M7: 8,017,548 km (0.095 R)
• M8: 10,735,293 km (0.115 R)
• M9: 13,406,213 km (0.116 R)
• M10: 17,032,466 km (0.053 R)
• M11: 18,720,378 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.5

Radius: 12.9

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.29 AU - 3.49 AU

Year: 3969 Days

Day: 8.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,040,582 km

• M1: 161,416 km (0.104 R)
• M2: 715,527 km (0.053 R)
• M3: 1,242,410 km (0.075 R)
• M4: 1,938,340 km (0.077 R)
• M5: 2,532,991 km (0.102 R)
• M6: 3,157,562 km (0.093 R)
• M7: 3,721,696 km (0.11 R)
• M8: 4,741,056 km (0.047 R)
• M9: 5,303,843 km (0.101 R)
• M10: 10,176,395 km (0.071 R)
• M11: 10,948,619 km (0.088 R)
• M12: 12,112,790 km (0.095 R)
• M13: 12,702,056 km (0.117 R)
• M14: 13,501,357 km (0.066 R)
• M15: 14,788,348 km (0.094 R)
• M16: 16,592,797 km (0.115 R)
• M17: 17,605,425 km (0.117 R)
• M18: 20,380,466 km (0.1 R)
• M19: 21,673,440 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.6

Radius: 11.8

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.38 AU - 5.4 AU

Year: 6875 Days

Day: 6.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,040,582 km

• M1: 146,905 km (0.115 R)
• M2: 526,435 km (0.1 R)
• M3: 924,814 km (0.035 R)
• M4: 1,417,889 km (0.096 R)
• M5: 1,825,094 km (0.087 R)
• M6: 2,296,327 km (0.08 R)
• M7: 3,221,291 km (0.112 R)
• M8: 3,626,851 km (0.091 R)
• M9: 4,805,682 km (0.115 R)
• M10: 5,311,622 km (0.091 R)
• M11: 8,289,068 km (0.07 R)
• M12: 8,795,607 km (0.118 R)
• M13: 10,316,269 km (0.115 R)
• M14: 16,035,845 km (0.057 R)
• M15: 18,173,598 km (0.041 R)
• M16: 20,494,908 km (0.066 R)
• M17: 23,433,459 km (0.099 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: 272 - 19,286 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit