🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218

Radius: 11.6

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.51 AU - 0.63 AU

Year: 292 Days

Day: 9.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,789,765 km

• M1: 144,212 km (0.11 R)
• M2: 366,365 km (0.11 R)
• M3: 719,566 km (0.044 R)
• M4: 965,804 km (0.117 R)
• M5: 1,230,592 km (0.046 R)
• M6: 1,448,407 km (0.109 R)
• M7: 1,686,267 km (0.117 R)
• M8: 2,037,373 km (0.116 R)
• M9: 2,572,335 km (0.116 R)
• M10: 2,939,000 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996

Radius: 8.3

Gravity: 14.46 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.9 AU - 1.32 AU

Year: 793 Days

Day: 5.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,789,765 km

• M1: 107,561 km (0.115 R)
• M2: 294,857 km (0.077 R)
• M3: 858,991 km (0.039 R)
• M4: 1,439,580 km (0.111 R)
• M5: 1,682,677 km (0.036 R)
• M6: 2,112,322 km (0.093 R)
• M7: 2,322,956 km (0.087 R)
• M8: 2,603,452 km (0.079 R)
• M9: 2,953,660 km (0.081 R)
• M10: 3,137,367 km (0.104 R)
• M11: 3,372,086 km (0.096 R)
• M12: 4,477,614 km (0.082 R)
• M13: 4,799,548 km (0.082 R)
• M14: 5,090,516 km (0.113 R)
• M15: 5,448,504 km (0.114 R)
• M16: 6,108,530 km (0.108 R)
• M17: 6,295,228 km (0.085 R)
• M18: 6,580,661 km (0.109 R)
• M19: 6,921,744 km (0.059 R)
• M20: 7,492,460 km (0.098 R)
• M21: 7,874,084 km (0.087 R)
• M22: 8,574,052 km (0.086 R)
• M23: 9,246,944 km (0.099 R)
• M24: 9,788,039 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.5

Radius: 14.8

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.56 AU - 1.78 AU

Year: 1464 Days

Day: 5.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,789,765 km

• M1: 221,405 km (0.095 R)
• M2: 538,403 km (0.109 R)
• M3: 840,740 km (0.09 R)
• M4: 1,808,937 km (0.071 R)
• M5: 2,177,397 km (0.1 R)
• M6: 2,953,960 km (0.101 R)
• M7: 3,317,931 km (0.08 R)
• M8: 3,846,161 km (0.055 R)
• M9: 4,702,160 km (0.106 R)
• M10: 5,067,029 km (0.051 R)
• M11: 5,561,002 km (0.096 R)
• M12: 6,369,877 km (0.11 R)
• M13: 8,087,261 km (0.114 R)
• M14: 8,370,150 km (0.063 R)
• M15: 8,895,389 km (0.114 R)
• M16: 9,342,537 km (0.087 R)
• M17: 9,858,948 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.7

Radius: 14.8

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.65 AU - 2.37 AU

Year: 1933 Days

Day: 10.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,789,765 km

• M1: 187,297 km (0.082 R)
• M2: 525,537 km (0.084 R)
• M3: 835,055 km (0.084 R)
• M4: 1,171,501 km (0.113 R)
• M5: 1,598,902 km (0.051 R)
• M6: 2,228,260 km (0.12 R)
• M7: 2,655,661 km (0.048 R)
• M8: 3,032,798 km (0.079 R)
• M9: 3,522,880 km (0.12 R)
• M10: 3,844,665 km (0.114 R)
• M11: 4,397,579 km (0.097 R)
• M12: 4,976,373 km (0.09 R)
• M13: 5,634,005 km (0.052 R)
• M14: 6,071,729 km (0.116 R)
• M15: 6,392,766 km (0.067 R)
• M16: 7,216,601 km (0.079 R)
• M17: 7,860,022 km (0.115 R)
• M18: 8,361,025 km (0.042 R)
• M19: 8,912,892 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.5

Radius: 8.4

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.94 AU - 6.02 AU

Year: 8701 Days

Day: 5.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,789,765 km

• M1: 155,582 km (0.084 R)
• M2: 348,264 km (0.064 R)
• M3: 768,783 km (0.113 R)
• M4: 1,238,521 km (0.062 R)
• M5: 1,635,703 km (0.083 R)
• M6: 2,211,655 km (0.118 R)
• M7: 2,781,024 km (0.091 R)
• M8: 3,289,807 km (0.113 R)
• M9: 4,665,958 km (0.084 R)
• M10: 4,949,745 km (0.051 R)
• M11: 5,296,213 km (0.102 R)
• M12: 6,587,841 km (0.12 R)
• M13: 8,464,098 km (0.099 R)
• M14: 11,362,856 km (0.051 R)
• M15: 14,510,993 km (0.064 R)
• M16: 14,966,070 km (0.108 R)
• M17: 17,645,817 km (0.045 R)
• M18: 18,147,718 km (0.065 R)
• M19: 20,871,446 km (0.103 R)
• M20: 21,143,565 km (0.027 R)
• M21: 24,545,420 km (0.105 R)
• M22: 25,077,689 km (0.026 R)
• M23: 26,159,432 km (0.08 R)
• M24: 28,836,486 km (0.096 R)
• M25: 29,028,120 km (0.066 R)
• M26: 31,045,897 km (0.105 R)
• M27: 35,497,480 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.6

Radius: 12.2

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.46 AU - 5.66 AU

Year: 8892 Days

Day: 7.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,789,765 km

• M1: 155,133 km (0.116 R)
• M2: 479,312 km (0.065 R)
• M3: 747,241 km (0.038 R)
• M4: 1,958,236 km (0.069 R)
• M5: 2,573,682 km (0.114 R)
• M6: 3,279,335 km (0.07 R)
• M7: 3,702,248 km (0.119 R)
• M8: 4,151,790 km (0.053 R)
• M9: 4,520,100 km (0.095 R)
• M10: 6,377,806 km (0.087 R)
• M11: 7,586,706 km (0.087 R)
• M12: 8,122,117 km (0.114 R)
• M13: 10,449,710 km (0.082 R)
• M14: 15,591,090 km (0.075 R)
• M15: 15,844,808 km (0.101 R)
• M16: 16,358,527 km (0.11 R)
• M17: 17,357,243 km (0.073 R)
• M18: 18,995,040 km (0.06 R)
• M19: 19,784,767 km (0.11 R)
• M20: 21,472,231 km (0.068 R)
• M21: 27,824,606 km (0.052 R)
• M22: 28,573,941 km (0.098 R)
• M23: 32,984,236 km (0.12 R)
• M24: 35,004,256 km (0.095 R)
• M25: 36,617,071 km (0.073 R)
• M26: 37,397,822 km (0.078 R)
• M27: 37,633,738 km (0.099 R)
• M28: 39,386,127 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 423.4

Radius: 3

Gravity: 47.04 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.32 AU - 11.94 AU

Year: 21868 Days

Day: 20.5 Hours

Environment

Temp: -244 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,789,765 km

• M1: 73,752 km (0.077 R)
• M2: 136,583 km (0.111 R)
• M3: 252,970 km (0.109 R)
• M4: 455,526 km (0.078 R)
• M5: 684,261 km (0.093 R)
• M6: 1,543,252 km (0.1 R)
• M7: 4,684,957 km (0.11 R)
• M8: 5,543,648 km (0.118 R)
• M9: 6,349,382 km (0.119 R)
• M10: 7,433,967 km (0.069 R)
• M11: 8,555,951 km (0.1 R)
• M12: 11,538,334 km (0.073 R)
• M13: 11,821,224 km (0.076 R)
• M14: 12,165,299 km (0.075 R)
• M15: 12,631,595 km (0.074 R)
• M16: 16,343,268 km (0.096 R)
• M17: 18,485,210 km (0.087 R)
• M18: 23,646,636 km (0.118 R)
• M19: 23,727,269 km (0.066 R)
• M20: 25,872,353 km (0.094 R)
• M21: 30,624,479 km (0.079 R)
• M22: 39,540,064 km (0.102 R)
• M23: 44,590,637 km (0.064 R)
• M24: 50,179,614 km (0.095 R)
• M25: 52,675,953 km (0.048 R)
• M26: 54,863,822 km (0.12 R)
• M27: 56,721,229 km (0.068 R)
• M28: 57,221,784 km (0.104 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 16,526 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit