🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.5

Radius: 11.2

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.69 AU - 0.99 AU

Year: 489 Days

Day: 6.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,425,840 km

• M1: 139,575 km (0.083 R)
• M2: 589,565 km (0.111 R)
• M3: 1,015,321 km (0.111 R)
• M4: 1,383,780 km (0.068 R)
• M5: 1,747,602 km (0.118 R)
• M6: 2,114,267 km (0.032 R)
• M7: 2,497,836 km (0.093 R)
• M8: 2,880,058 km (0.108 R)
• M9: 3,627,748 km (0.082 R)
• M10: 4,059,937 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767

Radius: 10.2

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.98 AU - 1.26 AU

Year: 754 Days

Day: 11.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,425,840 km

• M1: 128,953 km (0.112 R)
• M2: 584,778 km (0.111 R)
• M3: 1,119,291 km (0.118 R)
• M4: 1,467,256 km (0.053 R)
• M5: 2,677,951 km (0.054 R)
• M6: 3,103,707 km (0.098 R)
• M7: 3,688,485 km (0.105 R)
• M8: 4,778,904 km (0.074 R)
• M9: 5,259,861 km (0.086 R)
• M10: 5,851,521 km (0.093 R)
• M11: 6,572,283 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.3

Radius: 14

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.91 AU - 1.35 AU

Year: 764 Days

Day: 7.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,425,840 km

• M1: 174,730 km (0.114 R)
• M2: 610,659 km (0.046 R)
• M3: 1,085,482 km (0.088 R)
• M4: 2,003,863 km (0.068 R)
• M5: 2,939,449 km (0.082 R)
• M6: 3,460,648 km (0.108 R)
• M7: 4,210,881 km (0.102 R)
• M8: 5,209,147 km (0.101 R)
• M9: 5,919,438 km (0.084 R)
• M10: 6,843,355 km (0.091 R)
• M11: 7,351,539 km (0.052 R)
• M12: 8,469,184 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.5

Radius: 9.5

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.26 AU - 1.98 AU

Year: 1311 Days

Day: 12.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,425,840 km

• M1: 118,182 km (0.104 R)
• M2: 460,313 km (0.119 R)
• M3: 972,685 km (0.059 R)
• M4: 1,791,734 km (0.041 R)
• M5: 2,517,583 km (0.09 R)
• M6: 2,881,853 km (0.09 R)
• M7: 3,238,345 km (0.025 R)
• M8: 3,991,122 km (0.094 R)
• M9: 4,400,272 km (0.104 R)
• M10: 5,588,378 km (0.095 R)
• M11: 5,883,983 km (0.1 R)
• M12: 7,148,385 km (0.109 R)
• M13: 8,175,673 km (0.104 R)
• M14: 8,951,338 km (0.059 R)
• M15: 9,624,529 km (0.113 R)
• M16: 10,143,633 km (0.043 R)
• M17: 10,521,069 km (0.095 R)
• M18: 10,842,704 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.3

Radius: 11.6

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.35 AU - 2.03 AU

Year: 1397 Days

Day: 6.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,425,840 km

• M1: 144,661 km (0.117 R)
• M2: 516,561 km (0.051 R)
• M3: 1,327,831 km (0.118 R)
• M4: 1,975,440 km (0.104 R)
• M5: 2,373,221 km (0.076 R)
• M6: 2,935,709 km (0.076 R)
• M7: 3,817,289 km (0.114 R)
• M8: 4,256,209 km (0.069 R)
• M9: 4,807,477 km (0.026 R)
• M10: 5,757,274 km (0.094 R)
• M11: 7,998,699 km (0.114 R)
• M12: 9,082,984 km (0.086 R)
• M13: 9,581,145 km (0.064 R)
• M14: 9,999,421 km (0.117 R)
• M15: 10,564,602 km (0.113 R)
• M16: 11,722,639 km (0.102 R)
• M17: 12,351,399 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968

Radius: 9

Gravity: 11.95 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.46 AU - 4.78 AU

Year: 6314 Days

Day: 6.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 135.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,425,840 km

• M1: 115,789 km (0.111 R)
• M2: 598,541 km (0.081 R)
• M3: 1,094,757 km (0.093 R)
• M4: 1,569,581 km (0.079 R)
• M5: 2,047,396 km (0.088 R)
• M6: 2,453,555 km (0.102 R)
• M7: 3,781,535 km (0.112 R)
• M8: 5,379,240 km (0.12 R)
• M9: 5,889,668 km (0.114 R)
• M10: 6,824,056 km (0.049 R)
• M11: 7,119,063 km (0.061 R)
• M12: 9,028,231 km (0.074 R)
• M13: 9,565,737 km (0.114 R)
• M14: 12,306,519 km (0.073 R)
• M15: 14,240,670 km (0.117 R)
• M16: 14,601,949 km (0.036 R)
• M17: 17,854,506 km (0.107 R)
• M18: 19,872,132 km (0.109 R)
• M19: 27,660,646 km (0.107 R)
• M20: 29,178,466 km (0.119 R)
• M21: 29,566,374 km (0.098 R)
• M22: 31,052,030 km (0.115 R)
• M23: 37,039,086 km (0.083 R)
• M24: 38,068,021 km (0.08 R)
• M25: 39,115,804 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.6

Radius: 4.7

Gravity: 31.08 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.33 AU - 7.25 AU

Year: 11250 Days

Day: 23.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,425,840 km

• M1: 93,798 km (0.085 R)
• M2: 278,850 km (0.077 R)
• M3: 454,778 km (0.103 R)
• M4: 948,600 km (0.109 R)
• M5: 1,113,008 km (0.096 R)
• M6: 1,416,243 km (0.039 R)
• M7: 2,517,134 km (0.068 R)
• M8: 2,791,646 km (0.093 R)
• M9: 3,132,879 km (0.107 R)
• M10: 3,400,509 km (0.063 R)
• M11: 6,081,752 km (0.108 R)
• M12: 6,693,757 km (0.095 R)
• M13: 6,974,103 km (0.083 R)
• M14: 7,137,763 km (0.082 R)
• M15: 8,448,540 km (0.115 R)
• M16: 8,728,587 km (0.069 R)
• M17: 8,966,747 km (0.118 R)
• M18: 11,309,599 km (0.1 R)
• M19: 13,837,055 km (0.106 R)
• M20: 19,809,451 km (0.09 R)
• M21: 23,997,742 km (0.116 R)
• M22: 24,748,724 km (0.116 R)
• M23: 26,198,925 km (0.114 R)
• M24: 27,297,572 km (0.111 R)
• M25: 30,340,991 km (0.096 R)
• M26: 33,836,196 km (0.082 R)
• M27: 46,778,656 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283.9

Radius: 5.4

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.78 AU - 10.34 AU

Year: 18794 Days

Day: 17.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,425,840 km

• M1: 67,169 km (0.098 R)
• M2: 315,801 km (0.043 R)
• M3: 528,679 km (0.039 R)
• M4: 702,960 km (0.106 R)
• M5: 1,273,227 km (0.072 R)
• M6: 2,710,414 km (0.054 R)
• M7: 4,480,157 km (0.108 R)
• M8: 6,462,329 km (0.096 R)
• M9: 6,902,895 km (0.1 R)
• M10: 8,344,569 km (0.105 R)
• M11: 9,111,109 km (0.028 R)
• M12: 9,871,365 km (0.119 R)
• M13: 10,401,241 km (0.091 R)
• M14: 11,459,945 km (0.117 R)
• M15: 12,104,562 km (0.118 R)
• M16: 13,594,706 km (0.077 R)
• M17: 14,051,429 km (0.079 R)
• M18: 15,203,033 km (0.077 R)
• M19: 17,924,518 km (0.074 R)
• M20: 23,929,376 km (0.059 R)
• M21: 25,566,725 km (0.076 R)
• M22: 26,262,056 km (0.1 R)
• M23: 27,174,603 km (0.119 R)
• M24: 28,213,111 km (0.092 R)
• M25: 31,261,168 km (0.113 R)
• M26: 43,790,887 km (0.099 R)
• M27: 44,073,627 km (0.098 R)
• M28: 50,605,220 km (0.098 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 18,990 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit