🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652

Radius: 15

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.68 AU - 0.78 AU

Year: 409 Days

Day: 10.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,248,478 km

• M1: 186,698 km (0.054 R)
• M2: 759,209 km (0.068 R)
• M3: 1,507,797 km (0.082 R)
• M4: 2,019,122 km (0.051 R)
• M5: 2,534,338 km (0.092 R)
• M6: 3,159,657 km (0.043 R)
• M7: 4,027,623 km (0.032 R)
• M8: 5,110,712 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167

Radius: 10.7

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.82 AU - 1.16 AU

Year: 646 Days

Day: 8.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,248,478 km

• M1: 133,292 km (0.067 R)
• M2: 513,719 km (0.057 R)
• M3: 1,155,943 km (0.087 R)
• M4: 1,607,429 km (0.07 R)
• M5: 2,079,710 km (0.072 R)
• M6: 2,952,015 km (0.071 R)
• M7: 3,953,423 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.4

Radius: 12

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.48 AU - 1.66 AU

Year: 1291 Days

Day: 9 Hours

Environment

Temp: -170 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,248,478 km

• M1: 152,141 km (0.065 R)
• M2: 573,708 km (0.112 R)
• M3: 1,027,737 km (0.041 R)
• M4: 1,824,645 km (0.073 R)
• M5: 2,708,769 km (0.052 R)
• M6: 3,757,899 km (0.1 R)
• M7: 4,998,962 km (0.075 R)
• M8: 5,504,603 km (0.095 R)
• M9: 6,208,312 km (0.072 R)
• M10: 7,961,898 km (0.104 R)
• M11: 8,653,489 km (0.116 R)
• M12: 9,510,385 km (0.092 R)
• M13: 11,110,035 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.4

Radius: 13

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.73 AU - 2.23 AU

Year: 1828 Days

Day: 12.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,248,478 km

• M1: 161,865 km (0.1 R)
• M2: 658,231 km (0.082 R)
• M3: 1,277,865 km (0.116 R)
• M4: 2,011,194 km (0.087 R)
• M5: 2,839,966 km (0.057 R)
• M6: 3,436,562 km (0.052 R)
• M7: 3,955,368 km (0.067 R)
• M8: 4,545,531 km (0.079 R)
• M9: 5,005,694 km (0.107 R)
• M10: 5,431,001 km (0.052 R)
• M11: 6,403,686 km (0.113 R)
• M12: 6,828,993 km (0.091 R)
• M13: 8,573,753 km (0.117 R)
• M14: 9,727,901 km (0.089 R)
• M15: 10,530,344 km (0.09 R)
• M16: 11,160,600 km (0.106 R)
• M17: 11,778,888 km (0.089 R)
• M18: 13,649,011 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.9

Radius: 12.3

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.93 AU - 4.69 AU

Year: 4879 Days

Day: 6.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,248,478 km

• M1: 153,039 km (0.105 R)
• M2: 1,638,695 km (0.11 R)
• M3: 2,266,857 km (0.088 R)
• M4: 3,067,504 km (0.112 R)
• M5: 3,713,019 km (0.089 R)
• M6: 5,155,442 km (0.115 R)
• M7: 5,574,914 km (0.115 R)
• M8: 6,767,808 km (0.084 R)
• M9: 7,151,077 km (0.039 R)
• M10: 8,557,597 km (0.035 R)
• M11: 9,077,000 km (0.059 R)
• M12: 10,409,768 km (0.081 R)
• M13: 14,452,501 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.7

Radius: 12

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.09 AU - 6.05 AU

Year: 7489 Days

Day: 8.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,248,478 km

• M1: 149,299 km (0.049 R)
• M2: 579,393 km (0.048 R)
• M3: 1,027,289 km (0.083 R)
• M4: 1,420,881 km (0.092 R)
• M5: 1,979,479 km (0.109 R)
• M6: 3,156,216 km (0.111 R)
• M7: 4,609,410 km (0.106 R)
• M8: 6,082,350 km (0.083 R)
• M9: 6,649,326 km (0.091 R)
• M10: 7,525,820 km (0.094 R)
• M11: 8,137,975 km (0.101 R)
• M12: 8,521,095 km (0.101 R)
• M13: 9,005,642 km (0.096 R)
• M14: 9,601,939 km (0.07 R)
• M15: 10,078,409 km (0.104 R)
• M16: 11,182,590 km (0.09 R)
• M17: 13,749,690 km (0.096 R)
• M18: 14,665,528 km (0.07 R)
• M19: 16,483,591 km (0.111 R)
• M20: 17,237,265 km (0.094 R)
• M21: 19,789,255 km (0.114 R)
• M22: 22,918,693 km (0.102 R)
• M23: 23,427,775 km (0.116 R)
• M24: 27,205,719 km (0.101 R)
• M25: 27,776,585 km (0.029 R)
• M26: 30,649,462 km (0.109 R)
• M27: 31,164,079 km (0.04 R)
• M28: 31,789,248 km (0.082 R)
• M29: 36,287,208 km (0.095 R)
• M30: 37,328,558 km (0.112 R)
• M31: 39,349,626 km (0.088 R)
• M32: 42,707,799 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.9

Radius: 7.9

Gravity: 11.39 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 7.1 AU - 7.24 AU

Year: 12595 Days

Day: 17.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,248,478 km

• M1: 98,286 km (0.025 R)
• M2: 536,757 km (0.047 R)
• M3: 869,612 km (0.088 R)
• M4: 1,286,093 km (0.112 R)
• M5: 1,733,091 km (0.109 R)
• M6: 2,184,578 km (0.1 R)
• M7: 2,458,940 km (0.11 R)
• M8: 2,936,905 km (0.104 R)
• M9: 3,527,667 km (0.07 R)
• M10: 3,851,547 km (0.058 R)
• M11: 4,496,912 km (0.101 R)
• M12: 5,420,230 km (0.046 R)
• M13: 6,745,368 km (0.09 R)
• M14: 7,549,008 km (0.112 R)
• M15: 8,701,659 km (0.112 R)
• M16: 14,024,950 km (0.079 R)
• M17: 18,578,260 km (0.038 R)
• M18: 19,477,493 km (0.114 R)
• M19: 21,807,630 km (0.11 R)
• M20: 23,460,387 km (0.107 R)
• M21: 27,533,638 km (0.095 R)
• M22: 28,273,250 km (0.085 R)
• M23: 29,902,520 km (0.076 R)
• M24: 31,938,996 km (0.08 R)
• M25: 36,538,831 km (0.113 R)
• M26: 43,380,241 km (0.092 R)
• M27: 49,153,821 km (0.079 R)
• M28: 49,773,456 km (0.058 R)
• M29: 51,186,707 km (0.065 R)
• M30: 55,085,826 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921

Radius: 3.2

Gravity: 89.94 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.53 AU - 8.17 AU

Year: 13072 Days

Day: 18.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,248,478 km

• M1: 44,131 km (0.063 R)
• M2: 148,999 km (0.086 R)
• M3: 501,302 km (0.073 R)
• M4: 616,792 km (0.087 R)
• M5: 1,202,767 km (0.117 R)
• M6: 2,189,664 km (0.093 R)
• M7: 3,399,761 km (0.098 R)
• M8: 3,905,851 km (0.084 R)
• M9: 4,428,097 km (0.118 R)
• M10: 5,685,317 km (0.042 R)
• M11: 6,686,426 km (0.076 R)
• M12: 8,424,454 km (0.112 R)
• M13: 9,291,225 km (0.073 R)
• M14: 10,328,387 km (0.092 R)
• M15: 12,372,641 km (0.104 R)
• M16: 12,824,577 km (0.083 R)
• M17: 13,761,209 km (0.119 R)
• M18: 20,445,391 km (0.08 R)
• M19: 25,861,732 km (0.093 R)
• M20: 33,880,926 km (0.114 R)
• M21: 46,736,020 km (0.081 R)
• M22: 49,259,587 km (0.098 R)
• M23: 51,046,384 km (0.116 R)
• M24: 51,872,613 km (0.081 R)
• M25: 58,445,345 km (0.078 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 19,167 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit