🌌 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: 384.8

Radius: 13.7

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.48 AU - 0.68 AU

Year: 305 Days

Day: 11.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,303,761 km

• M1: 170,392 km (0.104 R)
• M2: 637,137 km (0.094 R)
• M3: 1,106,127 km (0.095 R)
• M4: 1,541,756 km (0.116 R)
• M5: 2,558,273 km (0.062 R)
• M6: 3,024,719 km (0.088 R)
• M7: 3,643,007 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558

Radius: 8.2

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.6 AU - 0.76 AU

Year: 387 Days

Day: 13.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,303,761 km

• M1: 102,026 km (0.102 R)
• M2: 364,570 km (0.082 R)
• M3: 636,689 km (0.089 R)
• M4: 969,544 km (0.072 R)
• M5: 1,230,293 km (0.117 R)
• M6: 1,809,237 km (0.114 R)
• M7: 2,169,468 km (0.11 R)
• M8: 2,577,123 km (0.03 R)
• M9: 2,890,380 km (0.075 R)
• M10: 3,196,009 km (0.092 R)
• M11: 3,546,517 km (0.1 R)
• M12: 3,860,223 km (0.086 R)
• M13: 4,641,573 km (0.082 R)
• M14: 4,987,892 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.5

Radius: 14.4

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.73 AU - 0.87 AU

Year: 494 Days

Day: 8.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,303,761 km

• M1: 179,069 km (0.063 R)
• M2: 628,012 km (0.119 R)
• M3: 1,082,191 km (0.101 R)
• M4: 1,578,856 km (0.118 R)
• M5: 2,110,377 km (0.071 R)
• M6: 2,993,453 km (0.094 R)
• M7: 3,859,924 km (0.079 R)
• M8: 4,575,002 km (0.064 R)
• M9: 5,184,015 km (0.101 R)
• M10: 5,778,068 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809

Radius: 10.7

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.27 AU - 2.97 AU

Year: 2927 Days

Day: 7 Hours

Environment

Temp: -212 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,303,761 km

• M1: 139,126 km (0.114 R)
• M2: 492,626 km (0.108 R)
• M3: 1,370,765 km (0.094 R)
• M4: 1,731,595 km (0.091 R)
• M5: 2,322,657 km (0.09 R)
• M6: 3,847,508 km (0.117 R)
• M7: 4,624,070 km (0.105 R)
• M8: 5,001,506 km (0.104 R)
• M9: 6,401,293 km (0.1 R)
• M10: 7,238,742 km (0.111 R)
• M11: 8,249,275 km (0.061 R)
• M12: 9,727,003 km (0.115 R)
• M13: 10,468,709 km (0.043 R)
• M14: 15,008,107 km (0.044 R)
• M15: 16,051,552 km (0.056 R)
• M16: 16,976,067 km (0.074 R)
• M17: 17,706,554 km (0.074 R)
• M18: 18,693,451 km (0.098 R)
• M19: 19,050,391 km (0.038 R)
• M20: 19,777,886 km (0.093 R)
• M21: 20,273,055 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.2

Radius: 11.2

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.1 AU - 3.32 AU

Year: 3079 Days

Day: 6.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,303,761 km

• M1: 140,024 km (0.059 R)
• M2: 657,183 km (0.053 R)
• M3: 1,017,864 km (0.077 R)
• M4: 1,726,659 km (0.063 R)
• M5: 2,369,481 km (0.096 R)
• M6: 2,768,309 km (0.099 R)
• M7: 5,004,946 km (0.101 R)
• M8: 5,485,305 km (0.086 R)
• M9: 6,744,321 km (0.107 R)
• M10: 12,168,590 km (0.117 R)
• M11: 12,798,098 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.9

Radius: 8.6

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.45 AU - 4.15 AU

Year: 5113 Days

Day: 7.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 80,303,761 km

• M1: 112,348 km (0.111 R)
• M2: 382,223 km (0.05 R)
• M3: 663,766 km (0.045 R)
• M4: 1,461,571 km (0.116 R)
• M5: 1,749,248 km (0.079 R)
• M6: 2,424,233 km (0.096 R)
• M7: 3,805,770 km (0.119 R)
• M8: 4,087,163 km (0.055 R)
• M9: 4,458,615 km (0.101 R)
• M10: 5,530,633 km (0.091 R)
• M11: 6,238,530 km (0.116 R)
• M12: 6,799,672 km (0.108 R)
• M13: 7,466,131 km (0.059 R)
• M14: 8,022,485 km (0.046 R)
• M15: 8,806,976 km (0.061 R)
• M16: 9,814,668 km (0.118 R)
• M17: 10,528,100 km (0.075 R)
• M18: 11,662,201 km (0.102 R)
• M19: 12,057,738 km (0.118 R)
• M20: 12,360,374 km (0.044 R)
• M21: 12,928,098 km (0.107 R)
• M22: 15,671,125 km (0.081 R)
• M23: 17,401,224 km (0.098 R)
• M24: 21,018,351 km (0.047 R)
• M25: 23,585,451 km (0.095 R)
• M26: 26,950,356 km (0.094 R)
• M27: 28,523,826 km (0.097 R)
• M28: 28,791,905 km (0.096 R)
• M29: 29,515,061 km (0.07 R)
• M30: 31,852,977 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733.9

Radius: 4

Gravity: 45.87 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 9.19 AU - 10.27 AU

Year: 20950 Days

Day: 20.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,303,761 km

• M1: 58,044 km (0.097 R)
• M2: 214,075 km (0.112 R)
• M3: 342,878 km (0.115 R)
• M4: 549,623 km (0.102 R)
• M5: 1,364,931 km (0.098 R)
• M6: 1,755,531 km (0.103 R)
• M7: 2,260,274 km (0.081 R)
• M8: 4,883,922 km (0.108 R)
• M9: 5,420,679 km (0.11 R)
• M10: 6,475,194 km (0.07 R)
• M11: 7,559,629 km (0.105 R)
• M12: 22,809,187 km (0.104 R)
• M13: 26,875,108 km (0.062 R)
• M14: 28,411,029 km (0.09 R)
• M15: 29,139,122 km (0.118 R)
• M16: 40,070,538 km (0.069 R)
• M17: 43,976,239 km (0.051 R)
• M18: 48,815,730 km (0.099 R)
• M19: 51,095,751 km (0.117 R)
• M20: 51,991,244 km (0.086 R)
• M21: 58,554,851 km (0.12 R)
• M22: 59,338,444 km (0.079 R)
• M23: 61,933,219 km (0.088 R)
• M24: 76,746,251 km (0.108 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 10,695 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit