🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.3

Radius: 12.1

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.71 AU - 1.13 AU

Year: 570 Days

Day: 5.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,469,426 km

• M1: 150,495 km (0.097 R)
• M2: 553,063 km (0.12 R)
• M3: 1,230,442 km (0.119 R)
• M4: 2,055,924 km (0.102 R)
• M5: 2,710,414 km (0.109 R)
• M6: 3,949,533 km (0.093 R)
• M7: 4,406,704 km (0.057 R)
• M8: 5,184,613 km (0.071 R)
• M9: 5,901,187 km (0.106 R)
• M10: 7,269,709 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.2

Radius: 10

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.49 AU - 1.95 AU

Year: 1456 Days

Day: 9.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,469,426 km

• M1: 124,465 km (0.066 R)
• M2: 624,571 km (0.084 R)
• M3: 1,066,034 km (0.095 R)
• M4: 1,398,890 km (0.042 R)
• M5: 1,822,850 km (0.114 R)
• M6: 2,331,632 km (0.067 R)
• M7: 2,777,135 km (0.117 R)
• M8: 3,325,860 km (0.096 R)
• M9: 3,910,189 km (0.1 R)
• M10: 4,680,319 km (0.086 R)
• M11: 5,459,125 km (0.084 R)
• M12: 6,056,470 km (0.046 R)
• M13: 6,954,955 km (0.064 R)
• M14: 8,346,963 km (0.11 R)
• M15: 11,090,139 km (0.092 R)
• M16: 11,822,570 km (0.078 R)
• M17: 12,704,300 km (0.046 R)
• M18: 13,794,719 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.6

Radius: 8.3

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.26 AU - 2.92 AU

Year: 2691 Days

Day: 14.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,469,426 km

• M1: 103,223 km (0.085 R)
• M2: 427,401 km (0.114 R)
• M3: 711,487 km (0.07 R)
• M4: 1,159,234 km (0.106 R)
• M5: 1,468,004 km (0.098 R)
• M6: 2,188,617 km (0.119 R)
• M7: 2,681,093 km (0.113 R)
• M8: 5,038,755 km (0.108 R)
• M9: 5,592,866 km (0.114 R)
• M10: 7,966,984 km (0.037 R)
• M11: 9,339,993 km (0.109 R)
• M12: 10,478,134 km (0.049 R)
• M13: 11,747,173 km (0.092 R)
• M14: 12,079,729 km (0.11 R)
• M15: 13,976,779 km (0.091 R)
• M16: 14,256,527 km (0.103 R)
• M17: 14,539,866 km (0.09 R)
• M18: 16,371,243 km (0.04 R)
• M19: 17,369,210 km (0.098 R)
• M20: 18,574,670 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.2

Radius: 13.5

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.34 AU - 3.1 AU

Year: 2896 Days

Day: 11.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,469,426 km

• M1: 170,542 km (0.067 R)
• M2: 626,516 km (0.086 R)
• M3: 1,131,259 km (0.061 R)
• M4: 1,573,620 km (0.094 R)
• M5: 2,795,835 km (0.114 R)
• M6: 3,218,449 km (0.093 R)
• M7: 4,257,256 km (0.089 R)
• M8: 5,941,279 km (0.117 R)
• M9: 7,409,134 km (0.089 R)
• M10: 9,898,143 km (0.098 R)
• M11: 10,463,773 km (0.104 R)
• M12: 15,047,302 km (0.056 R)
• M13: 15,594,082 km (0.1 R)
• M14: 16,102,565 km (0.084 R)
• M15: 18,248,397 km (0.05 R)
• M16: 19,273,741 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.8

Radius: 9.6

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.44 AU - 3.94 AU

Year: 3679 Days

Day: 6.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,469,426 km

• M1: 119,529 km (0.116 R)
• M2: 437,574 km (0.086 R)
• M3: 759,957 km (0.091 R)
• M4: 1,310,926 km (0.066 R)
• M5: 2,848,643 km (0.041 R)
• M6: 4,222,699 km (0.117 R)
• M7: 4,560,940 km (0.1 R)
• M8: 5,413,349 km (0.086 R)
• M9: 6,422,835 km (0.083 R)
• M10: 7,894,878 km (0.11 R)
• M11: 8,311,957 km (0.042 R)
• M12: 8,879,382 km (0.119 R)
• M13: 9,544,045 km (0.088 R)
• M14: 9,870,168 km (0.109 R)
• M15: 10,354,566 km (0.095 R)
• M16: 10,660,494 km (0.057 R)
• M17: 11,250,358 km (0.045 R)
• M18: 12,366,658 km (0.041 R)
• M19: 12,885,912 km (0.074 R)
• M20: 14,531,339 km (0.102 R)
• M21: 16,056,788 km (0.095 R)
• M22: 16,415,374 km (0.105 R)
• M23: 17,469,890 km (0.103 R)
• M24: 19,021,070 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 974.9

Radius: 3.9

Gravity: 64.1 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.88 AU - 8.64 AU

Year: 12630 Days

Day: 16 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,469,426 km

• M1: 49,068 km (0.117 R)
• M2: 244,443 km (0.088 R)
• M3: 403,465 km (0.078 R)
• M4: 1,490,444 km (0.065 R)
• M5: 1,714,392 km (0.118 R)
• M6: 2,249,653 km (0.098 R)
• M7: 2,678,699 km (0.093 R)
• M8: 3,840,477 km (0.102 R)
• M9: 4,168,694 km (0.111 R)
• M10: 5,823,247 km (0.099 R)
• M11: 6,626,138 km (0.055 R)
• M12: 7,637,420 km (0.087 R)
• M13: 9,105,723 km (0.108 R)
• M14: 9,851,319 km (0.079 R)
• M15: 10,810,241 km (0.041 R)
• M16: 11,402,499 km (0.062 R)
• M17: 12,204,344 km (0.047 R)
• M18: 13,919,633 km (0.098 R)
• M19: 14,197,137 km (0.108 R)
• M20: 16,940,463 km (0.11 R)
• M21: 18,897,203 km (0.081 R)
• M22: 20,638,672 km (0.076 R)
• M23: 23,058,717 km (0.113 R)
• M24: 23,252,296 km (0.101 R)
• M25: 30,037,008 km (0.09 R)
• M26: 36,303,813 km (0.075 R)
• M27: 39,119,095 km (0.116 R)
• M28: 42,510,629 km (0.109 R)
• M29: 49,709,876 km (0.097 R)
• M30: 51,175,188 km (0.102 R)
• M31: 52,167,919 km (0.105 R)
• M32: 54,021,137 km (0.106 R)
• M33: 57,502,130 km (0.091 R)
• M34: 58,755,013 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.2

Radius: 7.4

Gravity: 12.66 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.05 AU - 8.79 AU

Year: 13050 Days

Day: 16.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,469,426 km

• M1: 92,152 km (0.09 R)
• M2: 437,873 km (0.101 R)
• M3: 728,392 km (0.039 R)
• M4: 977,772 km (0.108 R)
• M5: 2,769,057 km (0.096 R)
• M6: 3,045,813 km (0.09 R)
• M7: 3,574,791 km (0.074 R)
• M8: 4,075,495 km (0.115 R)
• M9: 5,390,610 km (0.041 R)
• M10: 6,637,807 km (0.107 R)
• M11: 7,569,652 km (0.103 R)
• M12: 10,440,735 km (0.107 R)
• M13: 11,287,010 km (0.051 R)
• M14: 12,609,904 km (0.105 R)
• M15: 13,700,622 km (0.03 R)
• M16: 14,922,687 km (0.092 R)
• M17: 16,813,753 km (0.05 R)
• M18: 17,895,645 km (0.037 R)
• M19: 22,321,199 km (0.059 R)
• M20: 22,874,562 km (0.075 R)
• M21: 24,785,525 km (0.108 R)
• M22: 26,184,714 km (0.067 R)
• M23: 27,741,579 km (0.067 R)
• M24: 28,381,259 km (0.118 R)
• M25: 29,912,094 km (0.113 R)
• M26: 34,221,411 km (0.095 R)
• M27: 38,398,781 km (0.097 R)
• M28: 44,916,910 km (0.113 R)
• M29: 48,206,567 km (0.096 R)
• M30: 49,285,916 km (0.094 R)
• M31: 51,493,083 km (0.11 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 19,733 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit