🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.8

Radius: 13

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.97 AU - 1.19 AU

Year: 725 Days

Day: 5.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,306,928 km

• M1: 165,904 km (0.118 R)
• M2: 632,799 km (0.074 R)
• M3: 1,186,461 km (0.114 R)
• M4: 2,003,265 km (0.081 R)
• M5: 2,428,273 km (0.111 R)
• M6: 3,620,418 km (0.112 R)
• M7: 4,242,895 km (0.101 R)
• M8: 4,918,030 km (0.09 R)
• M9: 6,084,893 km (0.105 R)
• M10: 7,103,804 km (0.088 R)
• M11: 7,642,357 km (0.116 R)
• M12: 8,618,034 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.2

Radius: 10.3

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.84 AU - 1.34 AU

Year: 735 Days

Day: 11.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,306,928 km

• M1: 128,056 km (0.029 R)
• M2: 820,096 km (0.118 R)
• M3: 1,327,681 km (0.055 R)
• M4: 1,695,542 km (0.103 R)
• M5: 2,105,740 km (0.067 R)
• M6: 2,444,429 km (0.051 R)
• M7: 4,211,778 km (0.103 R)
• M8: 4,785,187 km (0.064 R)
• M9: 5,115,200 km (0.103 R)
• M10: 6,179,290 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.5

Radius: 14.6

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.56 AU - 2.06 AU

Year: 1572 Days

Day: 8.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,306,928 km

• M1: 181,612 km (0.058 R)
• M2: 675,285 km (0.088 R)
• M3: 1,532,630 km (0.108 R)
• M4: 2,196,546 km (0.111 R)
• M5: 2,692,014 km (0.119 R)
• M6: 3,373,282 km (0.119 R)
• M7: 3,860,523 km (0.115 R)
• M8: 4,957,973 km (0.112 R)
• M9: 5,478,573 km (0.049 R)
• M10: 6,453,203 km (0.092 R)
• M11: 7,291,849 km (0.101 R)
• M12: 8,654,237 km (0.115 R)
• M13: 9,315,459 km (0.119 R)
• M14: 10,112,068 km (0.034 R)
• M15: 11,615,527 km (0.113 R)
• M16: 12,460,156 km (0.08 R)
• M17: 13,594,108 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.5

Radius: 13.3

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.74 AU - 3.96 AU

Year: 3959 Days

Day: 10.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,306,928 km

• M1: 165,455 km (0.108 R)
• M2: 1,188,256 km (0.115 R)
• M3: 1,677,591 km (0.101 R)
• M4: 2,140,746 km (0.11 R)
• M5: 2,949,621 km (0.115 R)
• M6: 3,699,855 km (0.032 R)
• M7: 4,441,112 km (0.083 R)
• M8: 5,759,219 km (0.098 R)
• M9: 6,460,534 km (0.116 R)
• M10: 6,933,861 km (0.085 R)
• M11: 7,646,097 km (0.086 R)
• M12: 9,530,581 km (0.058 R)
• M13: 13,265,741 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 632.9

Radius: 6.1

Gravity: 17.01 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.29 AU - 7.41 AU

Year: 10332 Days

Day: 20.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,306,928 km

• M1: 75,996 km (0.117 R)
• M2: 282,142 km (0.103 R)
• M3: 529,726 km (0.107 R)
• M4: 1,178,682 km (0.073 R)
• M5: 1,756,877 km (0.102 R)
• M6: 2,469,262 km (0.119 R)
• M7: 2,752,152 km (0.113 R)
• M8: 3,011,704 km (0.064 R)
• M9: 4,958,721 km (0.115 R)
• M10: 8,088,158 km (0.066 R)
• M11: 9,612,860 km (0.091 R)
• M12: 11,650,233 km (0.092 R)
• M13: 12,918,075 km (0.112 R)
• M14: 15,929,929 km (0.084 R)
• M15: 16,910,394 km (0.046 R)
• M16: 17,270,027 km (0.088 R)
• M17: 18,154,150 km (0.118 R)
• M18: 19,932,420 km (0.074 R)
• M19: 20,172,525 km (0.112 R)
• M20: 22,164,271 km (0.049 R)
• M21: 22,943,825 km (0.106 R)
• M22: 23,473,551 km (0.059 R)
• M23: 24,192,519 km (0.117 R)
• M24: 25,018,748 km (0.115 R)
• M25: 28,919,662 km (0.096 R)
• M26: 38,764,698 km (0.055 R)
• M27: 40,022,068 km (0.074 R)
• M28: 47,427,312 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.6

Radius: 4.9

Gravity: 29.47 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.93 AU - 8.67 AU

Year: 14066 Days

Day: 24.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 135.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 69,306,928 km

• M1: 64,776 km (0.079 R)
• M2: 296,054 km (0.062 R)
• M3: 547,079 km (0.112 R)
• M4: 901,028 km (0.037 R)
• M5: 1,166,415 km (0.03 R)
• M6: 1,452,895 km (0.065 R)
• M7: 2,643,993 km (0.117 R)
• M8: 2,943,637 km (0.041 R)
• M9: 3,920,960 km (0.102 R)
• M10: 5,272,727 km (0.114 R)
• M11: 5,975,837 km (0.102 R)
• M12: 8,854,100 km (0.074 R)
• M13: 10,281,712 km (0.083 R)
• M14: 10,905,086 km (0.11 R)
• M15: 12,351,847 km (0.09 R)
• M16: 13,318,399 km (0.085 R)
• M17: 13,517,514 km (0.109 R)
• M18: 14,403,732 km (0.117 R)
• M19: 17,531,225 km (0.081 R)
• M20: 17,690,547 km (0.099 R)
• M21: 21,718,320 km (0.082 R)
• M22: 22,459,876 km (0.114 R)
• M23: 22,742,167 km (0.063 R)
• M24: 23,700,342 km (0.118 R)
• M25: 26,736,281 km (0.065 R)
• M26: 27,480,082 km (0.097 R)
• M27: 34,182,665 km (0.1 R)
• M28: 34,932,599 km (0.076 R)
• M29: 35,311,530 km (0.101 R)
• M30: 35,693,304 km (0.072 R)
• M31: 38,309,172 km (0.068 R)
• M32: 41,049,955 km (0.106 R)
• M33: 43,189,354 km (0.048 R)
• M34: 44,953,412 km (0.083 R)
• M35: 46,918,231 km (0.083 R)
• M36: 47,999,524 km (0.104 R)
• M37: 49,097,273 km (0.113 R)
• M38: 51,017,960 km (0.074 R)
• M39: 52,821,961 km (0.113 R)
• M40: 56,905,085 km (0.095 R)
• M41: 59,023,241 km (0.062 R)
• M42: 60,645,930 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.1

Radius: 4.1

Gravity: 49.32 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 7.79 AU - 9.07 AU

Year: 15804 Days

Day: 18 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,306,928 km

• M1: 56,548 km (0.118 R)
• M2: 196,272 km (0.119 R)
• M3: 334,650 km (0.114 R)
• M4: 518,506 km (0.105 R)
• M5: 861,085 km (0.105 R)
• M6: 1,008,439 km (0.097 R)
• M7: 1,620,743 km (0.056 R)
• M8: 2,236,339 km (0.094 R)
• M9: 2,562,462 km (0.109 R)
• M10: 2,870,185 km (0.118 R)
• M11: 3,071,543 km (0.12 R)
• M12: 3,502,385 km (0.095 R)
• M13: 4,417,176 km (0.099 R)
• M14: 4,754,669 km (0.047 R)
• M15: 5,673,350 km (0.052 R)
• M16: 6,488,957 km (0.109 R)
• M17: 7,195,508 km (0.096 R)
• M18: 8,707,942 km (0.083 R)
• M19: 10,129,870 km (0.103 R)
• M20: 13,285,936 km (0.084 R)
• M21: 13,633,602 km (0.048 R)
• M22: 13,774,374 km (0.113 R)
• M23: 16,082,070 km (0.106 R)
• M24: 17,450,891 km (0.097 R)
• M25: 28,457,853 km (0.026 R)
• M26: 30,094,155 km (0.1 R)
• M27: 31,056,668 km (0.102 R)
• M28: 38,096,893 km (0.117 R)
• M29: 39,937,545 km (0.105 R)
• M30: 42,283,240 km (0.084 R)
• M31: 42,582,735 km (0.118 R)
• M32: 47,731,295 km (0.071 R)
• M33: 49,535,595 km (0.052 R)
• M34: 50,035,401 km (0.057 R)
• M35: 53,804,071 km (0.097 R)
• M36: 55,757,520 km (0.049 R)
• M37: 60,941,984 km (0.102 R)
• M38: 63,454,779 km (0.109 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 11,516 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit