🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.5

Radius: 14.5

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.47 AU - 0.61 AU

Year: 274 Days

Day: 6.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,228,980 km

• M1: 180,415 km (0.086 R)
• M2: 675,734 km (0.075 R)
• M3: 1,139,786 km (0.068 R)
• M4: 1,828,684 km (0.098 R)
• M5: 2,360,206 km (0.115 R)
• M6: 4,035,253 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.8

Radius: 8.8

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.16 AU - 1.3 AU

Year: 942 Days

Day: 5.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,228,980 km

• M1: 109,506 km (0.117 R)
• M2: 476,619 km (0.083 R)
• M3: 900,430 km (0.112 R)
• M4: 1,219,671 km (0.054 R)
• M5: 1,866,533 km (0.114 R)
• M6: 2,384,590 km (0.101 R)
• M7: 2,833,832 km (0.109 R)
• M8: 4,361,376 km (0.109 R)
• M9: 5,599,448 km (0.103 R)
• M10: 7,984,936 km (0.104 R)
• M11: 9,072,662 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.6

Radius: 11.3

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.96 AU - 2.22 AU

Year: 2086 Days

Day: 12 Hours

Environment

Temp: -209 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,228,980 km

• M1: 140,472 km (0.113 R)
• M2: 583,132 km (0.031 R)
• M3: 1,105,977 km (0.114 R)
• M4: 1,549,086 km (0.075 R)
• M5: 1,932,505 km (0.072 R)
• M6: 2,643,095 km (0.1 R)
• M7: 3,132,131 km (0.104 R)
• M8: 3,809,360 km (0.119 R)
• M9: 5,672,602 km (0.092 R)
• M10: 6,072,327 km (0.083 R)
• M11: 7,682,449 km (0.067 R)
• M12: 8,782,143 km (0.109 R)
• M13: 9,983,863 km (0.034 R)
• M14: 12,171,283 km (0.084 R)
• M15: 14,521,914 km (0.119 R)
• M16: 15,320,617 km (0.111 R)
• M17: 15,706,580 km (0.112 R)
• M18: 16,598,632 km (0.109 R)
• M19: 17,211,983 km (0.083 R)
• M20: 17,629,211 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.5

Radius: 12.2

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.48 AU - 3.74 AU

Year: 4734 Days

Day: 7.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,228,980 km

• M1: 152,141 km (0.12 R)
• M2: 889,359 km (0.114 R)
• M3: 1,472,492 km (0.097 R)
• M4: 2,850,288 km (0.097 R)
• M5: 3,243,132 km (0.109 R)
• M6: 5,195,235 km (0.05 R)
• M7: 6,143,985 km (0.098 R)
• M8: 7,204,933 km (0.102 R)
• M9: 8,961,062 km (0.039 R)
• M10: 10,023,506 km (0.037 R)
• M11: 11,031,945 km (0.103 R)
• M12: 12,010,615 km (0.078 R)
• M13: 13,404,418 km (0.042 R)
• M14: 14,848,037 km (0.08 R)
• M15: 17,542,295 km (0.083 R)
• M16: 19,070,288 km (0.068 R)
• M17: 27,306,698 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.8

Radius: 11.8

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.98 AU - 6.63 AU

Year: 8422 Days

Day: 6.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,228,980 km

• M1: 146,905 km (0.047 R)
• M2: 526,136 km (0.049 R)
• M3: 1,739,674 km (0.07 R)
• M4: 3,054,938 km (0.077 R)
• M5: 3,608,600 km (0.051 R)
• M6: 5,244,602 km (0.087 R)
• M7: 5,745,755 km (0.084 R)
• M8: 9,140,729 km (0.111 R)
• M9: 13,630,161 km (0.064 R)
• M10: 14,159,139 km (0.09 R)
• M11: 21,702,911 km (0.093 R)
• M12: 24,257,594 km (0.1 R)
• M13: 29,759,953 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.2

Radius: 7.4

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.89 AU - 7.19 AU

Year: 12893 Days

Day: 16.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,228,980 km

• M1: 92,152 km (0.103 R)
• M2: 447,148 km (0.028 R)
• M3: 1,689,409 km (0.039 R)
• M4: 3,382,857 km (0.06 R)
• M5: 3,637,921 km (0.071 R)
• M6: 4,302,884 km (0.071 R)
• M7: 5,728,701 km (0.085 R)
• M8: 7,234,104 km (0.101 R)
• M9: 7,572,943 km (0.102 R)
• M10: 7,922,105 km (0.11 R)
• M11: 10,460,332 km (0.076 R)
• M12: 12,870,952 km (0.108 R)
• M13: 13,431,794 km (0.106 R)
• M14: 14,939,442 km (0.114 R)
• M15: 15,489,364 km (0.06 R)
• M16: 17,824,437 km (0.109 R)
• M17: 21,404,613 km (0.104 R)
• M18: 26,023,148 km (0.082 R)
• M19: 26,818,859 km (0.084 R)
• M20: 40,382,599 km (0.096 R)
• M21: 40,780,080 km (0.084 R)
• M22: 42,260,351 km (0.11 R)
• M23: 43,082,691 km (0.099 R)
• M24: 49,140,208 km (0.078 R)
• M25: 51,279,158 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.3

Radius: 5.2

Gravity: 21.79 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.86 AU - 8.8 AU

Year: 13698 Days

Day: 23.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,228,980 km

• M1: 65,075 km (0.085 R)
• M2: 250,427 km (0.114 R)
• M3: 607,367 km (0.073 R)
• M4: 784,342 km (0.052 R)
• M5: 1,086,380 km (0.117 R)
• M6: 1,351,168 km (0.1 R)
• M7: 1,596,359 km (0.088 R)
• M8: 5,748,149 km (0.098 R)
• M9: 6,045,998 km (0.103 R)
• M10: 6,237,184 km (0.118 R)
• M11: 8,007,525 km (0.082 R)
• M12: 8,521,244 km (0.086 R)
• M13: 8,761,947 km (0.094 R)
• M14: 10,087,384 km (0.031 R)
• M15: 11,776,494 km (0.071 R)
• M16: 13,192,737 km (0.098 R)
• M17: 14,041,555 km (0.067 R)
• M18: 14,309,934 km (0.091 R)
• M19: 15,417,706 km (0.114 R)
• M20: 19,329,092 km (0.105 R)
• M21: 19,744,825 km (0.04 R)
• M22: 21,027,925 km (0.089 R)
• M23: 23,758,984 km (0.108 R)
• M24: 25,012,614 km (0.105 R)
• M25: 25,805,633 km (0.086 R)
• M26: 26,411,205 km (0.11 R)
• M27: 28,072,489 km (0.087 R)
• M28: 28,713,067 km (0.114 R)
• M29: 41,419,312 km (0.052 R)
• M30: 42,668,155 km (0.115 R)
• M31: 42,949,100 km (0.036 R)
• M32: 44,372,075 km (0.078 R)
• M33: 55,725,057 km (0.081 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: 314 - 19,911 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit