🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.9

Radius: 9.5

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.91 AU - 1.17 AU

Year: 732 Days

Day: 7.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,578,120 km

• M1: 118,182 km (0.117 R)
• M2: 456,423 km (0.12 R)
• M3: 1,170,155 km (0.096 R)
• M4: 1,519,166 km (0.056 R)
• M5: 2,080,906 km (0.053 R)
• M6: 2,860,610 km (0.109 R)
• M7: 3,476,206 km (0.104 R)
• M8: 4,934,935 km (0.063 R)
• M9: 6,987,717 km (0.082 R)
• M10: 8,102,969 km (0.053 R)
• M11: 8,559,990 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747

Radius: 14.4

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.99 AU - 2.81 AU

Year: 2566 Days

Day: 12.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,578,120 km

• M1: 179,218 km (0.115 R)
• M2: 796,309 km (0.093 R)
• M3: 1,279,810 km (0.087 R)
• M4: 1,815,669 km (0.057 R)
• M5: 2,632,474 km (0.078 R)
• M6: 3,288,311 km (0.1 R)
• M7: 4,275,806 km (0.088 R)
• M8: 4,907,857 km (0.103 R)
• M9: 5,830,128 km (0.119 R)
• M10: 6,694,056 km (0.061 R)
• M11: 7,246,371 km (0.12 R)
• M12: 10,251,044 km (0.089 R)
• M13: 11,186,181 km (0.112 R)
• M14: 11,882,559 km (0.093 R)
• M15: 12,434,276 km (0.045 R)
• M16: 13,727,250 km (0.053 R)
• M17: 15,404,990 km (0.111 R)
• M18: 16,267,572 km (0.088 R)
• M19: 17,539,902 km (0.079 R)
• M20: 18,706,765 km (0.113 R)
• M21: 19,806,608 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.6

Radius: 11.2

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.86 AU - 3.2 AU

Year: 3641 Days

Day: 13.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,578,120 km

• M1: 139,874 km (0.119 R)
• M2: 550,969 km (0.117 R)
• M3: 1,021,903 km (0.066 R)
• M4: 1,397,244 km (0.111 R)
• M5: 1,818,512 km (0.053 R)
• M6: 2,172,610 km (0.114 R)
• M7: 2,744,373 km (0.064 R)
• M8: 3,451,372 km (0.105 R)
• M9: 6,836,623 km (0.09 R)
• M10: 7,293,943 km (0.095 R)
• M11: 8,034,602 km (0.079 R)
• M12: 9,330,419 km (0.104 R)
• M13: 11,130,082 km (0.09 R)
• M14: 14,149,565 km (0.115 R)
• M15: 14,543,307 km (0.03 R)
• M16: 15,147,682 km (0.066 R)
• M17: 15,663,944 km (0.04 R)
• M18: 16,896,032 km (0.1 R)
• M19: 18,365,532 km (0.064 R)
• M20: 19,251,002 km (0.039 R)
• M21: 21,557,053 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636

Radius: 13.9

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.51 AU - 4.35 AU

Year: 5378 Days

Day: 12.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,578,120 km

• M1: 172,935 km (0.085 R)
• M2: 738,714 km (0.102 R)
• M3: 2,068,041 km (0.104 R)
• M4: 2,993,753 km (0.098 R)
• M5: 3,594,986 km (0.095 R)
• M6: 4,397,579 km (0.114 R)
• M7: 5,344,982 km (0.107 R)
• M8: 5,778,218 km (0.104 R)
• M9: 7,935,419 km (0.112 R)
• M10: 9,297,807 km (0.103 R)
• M11: 10,675,154 km (0.074 R)
• M12: 11,650,533 km (0.071 R)
• M13: 12,583,275 km (0.07 R)
• M14: 13,832,118 km (0.039 R)
• M15: 14,878,256 km (0.026 R)
• M16: 16,214,315 km (0.109 R)
• M17: 17,755,622 km (0.119 R)
• M18: 20,844,070 km (0.087 R)
• M19: 23,041,363 km (0.057 R)
• M20: 23,575,577 km (0.095 R)
• M21: 25,308,519 km (0.08 R)
• M22: 26,041,249 km (0.112 R)
• M23: 26,537,765 km (0.114 R)
• M24: 27,720,635 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.8

Radius: 12.1

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4 AU - 5.68 AU

Year: 7350 Days

Day: 11.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,578,120 km

• M1: 202,406 km (0.08 R)
• M2: 1,028,186 km (0.051 R)
• M3: 1,587,533 km (0.096 R)
• M4: 3,037,585 km (0.118 R)
• M5: 3,846,311 km (0.088 R)
• M6: 4,467,591 km (0.108 R)
• M7: 5,890,267 km (0.036 R)
• M8: 6,717,543 km (0.117 R)
• M9: 8,742,200 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.2

Radius: 4.3

Gravity: 37.49 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 7.29 AU - 8.97 AU

Year: 16001 Days

Day: 15.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,578,120 km

• M1: 54,454 km (0.047 R)
• M2: 284,535 km (0.039 R)
• M3: 526,435 km (0.09 R)
• M4: 843,433 km (0.086 R)
• M5: 1,209,648 km (0.094 R)
• M6: 1,436,439 km (0.115 R)
• M7: 3,252,258 km (0.088 R)
• M8: 3,866,207 km (0.075 R)
• M9: 4,358,833 km (0.095 R)
• M10: 5,210,943 km (0.056 R)
• M11: 6,710,212 km (0.049 R)
• M12: 7,328,351 km (0.08 R)
• M13: 7,745,280 km (0.088 R)
• M14: 8,830,762 km (0.057 R)
• M15: 10,469,308 km (0.094 R)
• M16: 10,878,907 km (0.075 R)
• M17: 11,605,653 km (0.069 R)
• M18: 12,429,040 km (0.114 R)
• M19: 16,659,069 km (0.086 R)
• M20: 17,459,717 km (0.091 R)
• M21: 17,622,928 km (0.112 R)
• M22: 20,104,907 km (0.095 R)
• M23: 23,005,460 km (0.061 R)
• M24: 23,796,832 km (0.079 R)
• M25: 28,929,835 km (0.12 R)
• M26: 36,990,617 km (0.114 R)
• M27: 37,530,515 km (0.099 R)
• M28: 45,804,624 km (0.08 R)
• M29: 51,109,664 km (0.081 R)
• M30: 52,624,342 km (0.104 R)
• M31: 53,307,107 km (0.085 R)
• M32: 53,822,920 km (0.12 R)
• M33: 60,090,174 km (0.105 R)
• M34: 65,048,445 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333.2

Radius: 3.5

Gravity: 27.2 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 8.4 AU - 10.7 AU

Year: 20371 Days

Day: 22.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,578,120 km

• M1: 44,131 km (0.06 R)
• M2: 153,487 km (0.064 R)
• M3: 335,698 km (0.096 R)
• M4: 520,601 km (0.119 R)
• M5: 1,071,121 km (0.083 R)
• M6: 1,459,626 km (0.096 R)
• M7: 1,777,971 km (0.032 R)
• M8: 1,917,695 km (0.042 R)
• M9: 2,381,000 km (0.092 R)
• M10: 3,109,841 km (0.098 R)
• M11: 4,992,081 km (0.118 R)
• M12: 6,051,683 km (0.082 R)
• M13: 6,654,861 km (0.116 R)
• M14: 7,165,289 km (0.093 R)
• M15: 9,365,275 km (0.053 R)
• M16: 11,372,580 km (0.095 R)
• M17: 14,470,602 km (0.047 R)
• M18: 14,681,086 km (0.042 R)
• M19: 19,843,410 km (0.064 R)
• M20: 20,541,134 km (0.072 R)
• M21: 22,356,654 km (0.117 R)
• M22: 22,543,950 km (0.057 R)
• M23: 25,074,249 km (0.116 R)
• M24: 29,438,318 km (0.06 R)
• M25: 31,976,395 km (0.1 R)
• M26: 32,095,026 km (0.096 R)
• M27: 33,055,445 km (0.081 R)
• M28: 41,436,965 km (0.111 R)
• M29: 42,431,491 km (0.066 R)
• M30: 44,026,354 km (0.112 R)
• M31: 50,483,297 km (0.117 R)
• M32: 54,441,807 km (0.108 R)
• M33: 56,323,449 km (0.039 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 15,444 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit