🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.3

Radius: 9.5

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.82 AU - 0.9 AU

Year: 541 Days

Day: 5.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 23,968,250 km

• M1: 118,332 km (0.082 R)
• M2: 427,551 km (0.082 R)
• M3: 729,738 km (0.104 R)
• M4: 1,250,937 km (0.103 R)
• M5: 1,724,265 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.7

Radius: 8.3

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.89 AU - 1.01 AU

Year: 628 Days

Day: 13.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,968,250 km

• M1: 103,223 km (0.1 R)
• M2: 373,845 km (0.103 R)
• M3: 873,502 km (0.084 R)
• M4: 1,138,889 km (0.103 R)
• M5: 1,537,118 km (0.109 R)
• M6: 1,900,641 km (0.108 R)
• M7: 2,539,424 km (0.12 R)
• M8: 3,039,978 km (0.108 R)
• M9: 3,510,015 km (0.09 R)
• M10: 4,040,489 km (0.057 R)
• M11: 4,609,260 km (0.059 R)
• M12: 4,987,443 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.3

Radius: 13.4

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.46 AU - 2.06 AU

Year: 1584 Days

Day: 13.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,968,250 km

• M1: 168,746 km (0.12 R)
• M2: 710,590 km (0.081 R)
• M3: 1,187,209 km (0.079 R)
• M4: 1,774,380 km (0.084 R)
• M5: 2,308,744 km (0.114 R)
• M6: 3,531,258 km (0.118 R)
• M7: 4,845,325 km (0.104 R)
• M8: 5,658,240 km (0.081 R)
• M9: 6,682,537 km (0.053 R)
• M10: 10,040,710 km (0.1 R)
• M11: 11,151,773 km (0.052 R)
• M12: 11,973,514 km (0.071 R)
• M13: 13,028,030 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133

Radius: 11.6

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.9 AU - 2.7 AU

Year: 2366 Days

Day: 5.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,968,250 km

• M1: 159,771 km (0.08 R)
• M2: 687,701 km (0.063 R)
• M3: 1,266,645 km (0.069 R)
• M4: 3,020,381 km (0.086 R)
• M5: 3,569,704 km (0.087 R)
• M6: 5,000,458 km (0.085 R)
• M7: 6,197,690 km (0.119 R)
• M8: 7,136,267 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.2

Radius: 8.7

Gravity: 12.55 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.24 AU - 2.58 AU

Year: 2538 Days

Day: 5 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,968,250 km

• M1: 108,608 km (0.084 R)
• M2: 429,495 km (0.07 R)
• M3: 731,085 km (0.111 R)
• M4: 1,045,988 km (0.096 R)
• M5: 2,525,212 km (0.096 R)
• M6: 5,438,780 km (0.119 R)
• M7: 7,610,044 km (0.101 R)
• M8: 8,198,562 km (0.037 R)
• M9: 8,677,125 km (0.09 R)
• M10: 9,993,138 km (0.103 R)
• M11: 10,860,357 km (0.079 R)
• M12: 13,620,587 km (0.06 R)
• M13: 16,439,310 km (0.106 R)
• M14: 16,817,045 km (0.106 R)
• M15: 18,443,772 km (0.09 R)
• M16: 21,045,129 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.2

Radius: 13.5

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.22 AU - 2.92 AU

Year: 2794 Days

Day: 8.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,968,250 km

• M1: 169,046 km (0.096 R)
• M2: 793,617 km (0.082 R)
• M3: 1,370,316 km (0.091 R)
• M4: 2,298,721 km (0.058 R)
• M5: 2,865,846 km (0.095 R)
• M6: 3,773,457 km (0.083 R)
• M7: 4,568,420 km (0.055 R)
• M8: 6,105,538 km (0.088 R)
• M9: 6,786,956 km (0.034 R)
• M10: 9,613,758 km (0.1 R)
• M11: 12,316,243 km (0.093 R)
• M12: 13,885,974 km (0.111 R)
• M13: 15,490,261 km (0.117 R)
• M14: 16,067,709 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.7

Radius: 11.6

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.36 AU - 4.2 AU

Year: 4985 Days

Day: 13.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,968,250 km

• M1: 144,362 km (0.103 R)
• M2: 1,210,097 km (0.088 R)
• M3: 2,300,815 km (0.065 R)
• M4: 3,651,086 km (0.089 R)
• M5: 4,913,841 km (0.111 R)
• M6: 5,393,901 km (0.076 R)
• M7: 6,016,677 km (0.117 R)
• M8: 7,373,978 km (0.039 R)
• M9: 7,801,679 km (0.041 R)
• M10: 8,245,984 km (0.056 R)
• M11: 10,275,579 km (0.06 R)
• M12: 11,668,784 km (0.099 R)
• M13: 13,136,339 km (0.08 R)
• M14: 14,114,110 km (0.058 R)
• M15: 15,087,244 km (0.12 R)
• M16: 15,940,850 km (0.047 R)
• M17: 16,324,419 km (0.096 R)
• M18: 19,122,348 km (0.094 R)
• M19: 20,829,409 km (0.108 R)
• M20: 22,293,823 km (0.07 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: 538 - 14,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit