🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.6

Radius: 11.2

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.56 AU - 0.94 AU

Year: 448 Days

Day: 7.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,551,243 km

• M1: 139,276 km (0.1 R)
• M2: 494,421 km (0.096 R)
• M3: 933,640 km (0.115 R)
• M4: 1,314,217 km (0.079 R)
• M5: 1,699,581 km (0.052 R)
• M6: 2,078,662 km (0.105 R)
• M7: 2,505,465 km (0.092 R)
• M8: 2,896,813 km (0.085 R)
• M9: 3,730,522 km (0.062 R)
• M10: 4,230,628 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.4

Radius: 8.7

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.68 AU - 0.88 AU

Year: 476 Days

Day: 15 Hours

Environment

Temp: -156 °C

Axial Tilt: 173.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,551,243 km

• M1: 108,458 km (0.06 R)
• M2: 460,013 km (0.091 R)
• M3: 753,076 km (0.043 R)
• M4: 1,202,767 km (0.043 R)
• M5: 1,480,720 km (0.109 R)
• M6: 2,087,638 km (0.101 R)
• M7: 2,761,577 km (0.071 R)
• M8: 3,526,321 km (0.088 R)
• M9: 3,864,263 km (0.115 R)
• M10: 4,237,060 km (0.101 R)
• M11: 4,690,342 km (0.059 R)
• M12: 4,995,372 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.6

Radius: 10.9

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.82 AU - 1.32 AU

Year: 764 Days

Day: 8.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,551,243 km

• M1: 135,835 km (0.118 R)
• M2: 483,201 km (0.112 R)
• M3: 888,911 km (0.111 R)
• M4: 1,703,321 km (0.071 R)
• M5: 2,079,410 km (0.115 R)
• M6: 2,444,728 km (0.078 R)
• M7: 3,146,791 km (0.072 R)
• M8: 3,886,403 km (0.065 R)
• M9: 4,858,789 km (0.098 R)
• M10: 5,710,300 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.6

Radius: 11.7

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.84 AU - 2.38 AU

Year: 2116 Days

Day: 9.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,551,243 km

• M1: 147,055 km (0.119 R)
• M2: 548,127 km (0.107 R)
• M3: 1,021,903 km (0.042 R)
• M4: 1,451,099 km (0.113 R)
• M5: 2,886,641 km (0.053 R)
• M6: 3,401,407 km (0.094 R)
• M7: 3,784,527 km (0.117 R)
• M8: 4,278,350 km (0.119 R)
• M9: 4,927,455 km (0.106 R)
• M10: 5,542,152 km (0.092 R)
• M11: 6,314,526 km (0.07 R)
• M12: 6,982,929 km (0.113 R)
• M13: 8,626,262 km (0.045 R)
• M14: 9,808,085 km (0.103 R)
• M15: 10,666,777 km (0.112 R)
• M16: 13,590,069 km (0.099 R)
• M17: 14,279,865 km (0.042 R)
• M18: 15,980,045 km (0.12 R)
• M19: 16,592,947 km (0.08 R)
• M20: 17,381,029 km (0.067 R)
• M21: 18,193,794 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.4

Radius: 8.3

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.88 AU - 2.5 AU

Year: 2237 Days

Day: 13.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,551,243 km

• M1: 143,464 km (0.117 R)
• M2: 496,665 km (0.112 R)
• M3: 950,694 km (0.058 R)
• M4: 2,018,823 km (0.115 R)
• M5: 2,423,635 km (0.107 R)
• M6: 3,773,157 km (0.087 R)
• M7: 5,007,340 km (0.101 R)
• M8: 6,188,116 km (0.112 R)
• M9: 6,594,125 km (0.109 R)
• M10: 8,460,358 km (0.114 R)
• M11: 11,052,889 km (0.076 R)
• M12: 11,727,725 km (0.069 R)
• M13: 12,271,214 km (0.042 R)
• M14: 14,837,865 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.7

Radius: 11.3

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.8 AU - 4.56 AU

Year: 5899 Days

Day: 6.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,551,243 km

• M1: 140,622 km (0.068 R)
• M2: 1,077,105 km (0.1 R)
• M3: 2,137,754 km (0.079 R)
• M4: 2,593,279 km (0.076 R)
• M5: 3,092,637 km (0.064 R)
• M6: 3,519,888 km (0.083 R)
• M7: 4,159,270 km (0.064 R)
• M8: 5,159,930 km (0.092 R)
• M9: 6,083,547 km (0.053 R)
• M10: 6,619,407 km (0.076 R)
• M11: 7,186,532 km (0.095 R)
• M12: 8,177,319 km (0.061 R)
• M13: 9,474,781 km (0.092 R)
• M14: 10,195,992 km (0.079 R)
• M15: 11,952,421 km (0.103 R)
• M16: 13,788,735 km (0.027 R)
• M17: 15,806,212 km (0.105 R)
• M18: 16,435,271 km (0.077 R)
• M19: 17,476,472 km (0.109 R)
• M20: 22,006,744 km (0.119 R)
• M21: 23,839,019 km (0.081 R)
• M22: 24,834,443 km (0.097 R)
• M23: 28,907,993 km (0.106 R)
• M24: 29,470,182 km (0.084 R)
• M25: 31,397,152 km (0.106 R)
• M26: 32,190,919 km (0.095 R)

Asteroid Belt

Center: 6.45 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.3

Radius: 6.3

Gravity: 23.14 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 8.6 AU - 8.84 AU

Year: 17774 Days

Day: 22.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,551,243 km

• M1: 78,389 km (0.047 R)
• M2: 626,665 km (0.108 R)
• M3: 1,274,424 km (0.066 R)
• M4: 1,569,581 km (0.062 R)
• M5: 1,797,269 km (0.098 R)
• M6: 3,069,898 km (0.106 R)
• M7: 3,784,078 km (0.114 R)
• M8: 4,131,295 km (0.025 R)
• M9: 9,474,781 km (0.074 R)
• M10: 12,688,742 km (0.101 R)
• M11: 13,538,607 km (0.109 R)
• M12: 22,250,439 km (0.108 R)
• M13: 22,554,572 km (0.097 R)
• M14: 24,438,308 km (0.106 R)
• M15: 30,589,773 km (0.099 R)
• M16: 31,345,092 km (0.097 R)
• M17: 36,140,751 km (0.039 R)
• M18: 36,702,042 km (0.058 R)
• M19: 39,299,959 km (0.075 R)
• M20: 39,893,414 km (0.079 R)
• M21: 48,500,976 km (0.075 R)
• M22: 48,841,610 km (0.103 R)
• M23: 50,393,988 km (0.045 R)
• M24: 53,415,715 km (0.088 R)
• M25: 54,694,328 km (0.075 R)
• M26: 58,267,473 km (0.062 R)
• M27: 59,622,082 km (0.112 R)
• M28: 61,394,517 km (0.094 R)
• M29: 62,394,280 km (0.119 R)
• M30: 62,797,147 km (0.119 R)
• M31: 64,426,118 km (0.098 R)
• M32: 66,292,202 km (0.041 R)
• M33: 69,697,947 km (0.114 R)
• M34: 72,327,579 km (0.076 R)
• M35: 72,549,731 km (0.045 R)
• M36: 72,772,183 km (0.088 R)
• M37: 76,625,226 km (0.11 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 19,700 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit