🌌 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: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.6

Radius: 14.2

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.47 AU - 0.69 AU

Year: 305 Days

Day: 7.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 94,805,850 km

• M1: 176,525 km (0.1 R)
• M2: 684,111 km (0.072 R)
• M3: 1,243,009 km (0.078 R)
• M4: 2,245,314 km (0.028 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121

Radius: 11.5

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.93 AU - 1.23 AU

Year: 775 Days

Day: 7.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 94,805,850 km

• M1: 143,165 km (0.109 R)
• M2: 620,083 km (0.088 R)
• M3: 1,137,393 km (0.119 R)
• M4: 1,563,597 km (0.114 R)
• M5: 2,065,647 km (0.056 R)
• M6: 2,572,186 km (0.08 R)
• M7: 3,555,941 km (0.105 R)
• M8: 4,608,662 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.5

Radius: 13

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.05 AU - 1.53 AU

Year: 1011 Days

Day: 11.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 94,805,850 km

• M1: 161,715 km (0.08 R)
• M2: 617,540 km (0.115 R)
• M3: 1,046,288 km (0.098 R)
• M4: 1,609,224 km (0.12 R)
• M5: 2,213,749 km (0.118 R)
• M6: 2,979,391 km (0.1 R)
• M7: 3,645,999 km (0.099 R)
• M8: 4,117,831 km (0.055 R)
• M9: 4,822,287 km (0.035 R)
• M10: 5,469,597 km (0.094 R)
• M11: 6,070,083 km (0.077 R)
• M12: 7,214,956 km (0.082 R)
• M13: 7,839,078 km (0.089 R)
• M14: 9,085,976 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.6

Radius: 13.6

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.8 AU - 2.5 AU

Year: 2176 Days

Day: 8.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 94,805,850 km

• M1: 169,943 km (0.106 R)
• M2: 663,915 km (0.11 R)
• M3: 1,316,312 km (0.063 R)
• M4: 1,916,648 km (0.082 R)
• M5: 2,393,267 km (0.078 R)
• M6: 2,949,322 km (0.081 R)
• M7: 3,880,718 km (0.101 R)
• M8: 5,022,001 km (0.099 R)
• M9: 6,588,141 km (0.074 R)
• M10: 7,138,810 km (0.104 R)
• M11: 10,514,786 km (0.074 R)
• M12: 11,817,783 km (0.102 R)
• M13: 13,140,079 km (0.098 R)
• M14: 13,748,643 km (0.049 R)
• M15: 14,467,161 km (0.1 R)
• M16: 15,543,668 km (0.106 R)
• M17: 16,077,134 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.6

Radius: 12.7

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.52 AU - 3.28 AU

Year: 3409 Days

Day: 14.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 94,805,850 km

• M1: 158,873 km (0.103 R)
• M2: 685,607 km (0.06 R)
• M3: 1,159,683 km (0.066 R)
• M4: 1,957,937 km (0.082 R)
• M5: 3,668,589 km (0.109 R)
• M6: 4,707,097 km (0.107 R)
• M7: 6,757,485 km (0.118 R)
• M8: 7,198,051 km (0.102 R)
• M9: 11,403,098 km (0.115 R)
• M10: 16,280,437 km (0.083 R)
• M11: 20,384,505 km (0.046 R)
• M12: 22,604,986 km (0.101 R)
• M13: 24,685,743 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.3

Radius: 14.8

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.36 AU - 5.36 AU

Year: 8566 Days

Day: 13.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 94,805,850 km

• M1: 184,753 km (0.077 R)
• M2: 893,249 km (0.095 R)
• M3: 1,584,989 km (0.117 R)
• M4: 2,064,002 km (0.071 R)
• M5: 2,623,199 km (0.117 R)
• M6: 3,261,682 km (0.078 R)
• M7: 4,231,226 km (0.098 R)
• M8: 4,742,103 km (0.117 R)
• M9: 5,234,280 km (0.058 R)
• M10: 5,728,551 km (0.103 R)
• M11: 6,847,992 km (0.032 R)
• M12: 8,395,283 km (0.04 R)
• M13: 8,902,120 km (0.041 R)
• M14: 10,024,254 km (0.036 R)
• M15: 10,938,746 km (0.092 R)
• M16: 11,908,140 km (0.116 R)
• M17: 12,441,008 km (0.111 R)
• M18: 13,157,432 km (0.084 R)
• M19: 18,540,711 km (0.117 R)
• M20: 19,844,457 km (0.117 R)
• M21: 22,553,674 km (0.062 R)
• M22: 23,205,921 km (0.119 R)
• M23: 25,588,566 km (0.099 R)
• M24: 30,045,984 km (0.117 R)
• M25: 31,135,954 km (0.104 R)
• M26: 32,457,951 km (0.109 R)
• M27: 36,648,636 km (0.063 R)
• M28: 38,122,175 km (0.096 R)
• M29: 39,165,171 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.4

Radius: 6.2

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 6.74 AU - 9.26 AU

Year: 15619 Days

Day: 22.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 94,805,850 km

• M1: 77,193 km (0.097 R)
• M2: 426,204 km (0.054 R)
• M3: 829,969 km (0.045 R)
• M4: 1,580,950 km (0.052 R)
• M5: 1,850,526 km (0.109 R)
• M6: 2,361,402 km (0.111 R)
• M7: 3,127,044 km (0.074 R)
• M8: 4,192,032 km (0.068 R)
• M9: 9,970,698 km (0.103 R)
• M10: 10,289,790 km (0.105 R)
• M11: 10,725,868 km (0.102 R)
• M12: 12,967,293 km (0.096 R)
• M13: 16,662,959 km (0.076 R)
• M14: 18,749,999 km (0.049 R)
• M15: 19,814,537 km (0.113 R)
• M16: 23,248,855 km (0.076 R)
• M17: 26,246,797 km (0.087 R)
• M18: 29,710,885 km (0.049 R)
• M19: 33,824,228 km (0.075 R)
• M20: 35,030,885 km (0.109 R)
• M21: 42,045,978 km (0.111 R)
• M22: 42,599,938 km (0.113 R)
• M23: 44,721,087 km (0.082 R)
• M24: 45,298,385 km (0.075 R)
• M25: 47,807,291 km (0.084 R)
• M26: 52,618,358 km (0.047 R)
• M27: 54,400,069 km (0.037 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 986.1

Radius: 7.3

Gravity: 18.5 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 8.29 AU - 12.53 AU

Year: 23184 Days

Day: 18.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 94,805,850 km

• M1: 92,601 km (0.116 R)
• M2: 740,509 km (0.032 R)
• M3: 1,169,706 km (0.108 R)
• M4: 1,483,712 km (0.036 R)
• M5: 1,794,277 km (0.119 R)
• M6: 2,125,786 km (0.064 R)
• M7: 3,165,341 km (0.039 R)
• M8: 3,494,606 km (0.07 R)
• M9: 4,734,473 km (0.047 R)
• M10: 11,098,068 km (0.099 R)
• M11: 11,439,899 km (0.08 R)
• M12: 11,859,222 km (0.058 R)
• M13: 12,728,834 km (0.114 R)
• M14: 14,112,016 km (0.103 R)
• M15: 15,087,992 km (0.111 R)
• M16: 15,848,997 km (0.068 R)
• M17: 16,282,681 km (0.1 R)
• M18: 16,903,063 km (0.082 R)
• M19: 18,191,101 km (0.063 R)
• M20: 19,444,582 km (0.12 R)
• M21: 25,153,236 km (0.075 R)
• M22: 25,743,400 km (0.096 R)
• M23: 28,196,655 km (0.073 R)
• M24: 30,135,743 km (0.053 R)
• M25: 31,749,754 km (0.091 R)
• M26: 35,002,910 km (0.051 R)
• M27: 36,035,434 km (0.11 R)
• M28: 38,006,685 km (0.103 R)
• M29: 39,571,180 km (0.115 R)
• M30: 44,521,374 km (0.068 R)
• M31: 50,054,251 km (0.077 R)
• M32: 55,629,464 km (0.107 R)
• M33: 57,034,637 km (0.114 R)
• M34: 69,368,533 km (0.039 R)
• M35: 74,326,356 km (0.192 R)
• M36: 81,553,878 km (0.178 R)
• M37: 87,070,449 km (0.107 R)
• M38: 89,235,878 km (0.141 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 16,027 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit