🌌 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: 92.7

Radius: 11.8

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.55 AU - 0.61 AU

Year: 305 Days

Day: 7.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 55,343,329 km

• M1: 146,756 km (0.041 R)
• M2: 760,406 km (0.093 R)
• M3: 1,156,242 km (0.091 R)
• M4: 1,576,014 km (0.109 R)
• M5: 2,341,506 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.5

Radius: 15

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.67 AU - 2.71 AU

Year: 2237 Days

Day: 10.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,343,329 km

• M1: 187,895 km (0.062 R)
• M2: 810,072 km (0.067 R)
• M3: 1,363,285 km (0.065 R)
• M4: 2,267,006 km (0.092 R)
• M5: 4,222,101 km (0.105 R)
• M6: 4,721,309 km (0.082 R)
• M7: 5,281,403 km (0.075 R)
• M8: 5,793,477 km (0.053 R)
• M9: 6,461,880 km (0.12 R)
• M10: 7,315,336 km (0.085 R)
• M11: 9,470,892 km (0.117 R)
• M12: 11,722,340 km (0.091 R)
• M13: 12,250,570 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.1

Radius: 13.8

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.61 AU - 4.01 AU

Year: 4157 Days

Day: 14.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,343,329 km

• M1: 171,589 km (0.101 R)
• M2: 707,897 km (0.059 R)
• M3: 1,557,463 km (0.119 R)
• M4: 2,525,212 km (0.105 R)
• M5: 3,405,895 km (0.1 R)
• M6: 4,946,154 km (0.041 R)
• M7: 5,488,746 km (0.066 R)
• M8: 6,171,959 km (0.095 R)
• M9: 6,775,138 km (0.101 R)
• M10: 8,069,309 km (0.032 R)
• M11: 8,727,241 km (0.106 R)
• M12: 9,285,689 km (0.064 R)
• M13: 9,903,080 km (0.061 R)
• M14: 10,955,202 km (0.106 R)
• M15: 13,933,396 km (0.051 R)
• M16: 15,920,804 km (0.039 R)
• M17: 16,906,803 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509.7

Radius: 3

Gravity: 56.63 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.69 AU - 10.41 AU

Year: 20371 Days

Day: 20.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 55,343,329 km

• M1: 42,486 km (0.108 R)
• M2: 201,508 km (0.118 R)
• M3: 479,012 km (0.042 R)
• M4: 595,400 km (0.087 R)
• M5: 1,114,355 km (0.05 R)
• M6: 1,669,363 km (0.095 R)
• M7: 1,958,835 km (0.101 R)
• M8: 2,055,774 km (0.104 R)
• M9: 2,156,005 km (0.1 R)
• M10: 3,716,161 km (0.094 R)
• M11: 5,506,847 km (0.047 R)
• M12: 6,565,402 km (0.057 R)
• M13: 7,800,781 km (0.087 R)
• M14: 8,915,435 km (0.115 R)
• M15: 9,075,355 km (0.069 R)
• M16: 12,092,893 km (0.115 R)
• M17: 13,578,400 km (0.09 R)
• M18: 14,806,599 km (0.079 R)
• M19: 15,030,696 km (0.06 R)
• M20: 16,028,215 km (0.107 R)
• M21: 16,663,557 km (0.112 R)
• M22: 16,906,055 km (0.085 R)
• M23: 17,647,762 km (0.086 R)
• M24: 20,925,451 km (0.11 R)
• M25: 24,586,260 km (0.078 R)
• M26: 26,622,138 km (0.114 R)
• M27: 31,025,252 km (0.089 R)
• M28: 35,488,355 km (0.095 R)
• M29: 36,837,877 km (0.051 R)
• M30: 39,209,901 km (0.048 R)
• M31: 40,797,733 km (0.075 R)
• M32: 44,101,153 km (0.04 R)
• M33: 44,720,339 km (0.117 R)
• M34: 49,549,807 km (0.101 R)
• M35: 50,051,109 km (0.115 R)
• M36: 50,387,106 km (0.091 R)
• M37: 51,575,063 km (0.077 R)
• M38: 52,089,829 km (0.036 R)
• M39: 66,910,340 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822.9

Radius: 7.5

Gravity: 14.63 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 9.32 AU - 9.96 AU

Year: 20660 Days

Day: 17.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,343,329 km

• M1: 129,552 km (0.08 R)
• M2: 418,874 km (0.115 R)
• M3: 659,577 km (0.054 R)
• M4: 960,418 km (0.092 R)
• M5: 1,398,890 km (0.051 R)
• M6: 1,700,329 km (0.113 R)
• M7: 1,944,772 km (0.027 R)
• M8: 3,945,345 km (0.12 R)
• M9: 5,259,263 km (0.054 R)
• M10: 6,521,121 km (0.115 R)
• M11: 9,167,058 km (0.082 R)
• M12: 13,458,273 km (0.119 R)
• M13: 13,904,524 km (0.071 R)
• M14: 16,035,994 km (0.054 R)
• M15: 16,453,372 km (0.081 R)
• M16: 17,049,819 km (0.115 R)
• M17: 19,485,871 km (0.065 R)
• M18: 19,770,107 km (0.09 R)
• M19: 20,737,706 km (0.046 R)
• M20: 23,082,203 km (0.101 R)
• M21: 26,746,603 km (0.093 R)
• M22: 27,215,593 km (0.119 R)
• M23: 27,570,888 km (0.095 R)
• M24: 31,947,972 km (0.105 R)
• M25: 33,685,102 km (0.102 R)
• M26: 40,184,382 km (0.047 R)
• M27: 52,607,288 km (0.091 R)
• M28: 54,836,296 km (0.08 R)
• M29: 62,309,608 km (0.066 R)
• M30: 63,548,278 km (0.101 R)
• M31: 65,225,420 km (0.101 R)
• M32: 77,562,307 km (0.177 R)
• M33: 79,960,511 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 904.1

Radius: 5.4

Gravity: 31 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 8.31 AU - 11.69 AU

Year: 21828 Days

Day: 16.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,343,329 km

• M1: 67,169 km (0.05 R)
• M2: 353,799 km (0.1 R)
• M3: 540,946 km (0.078 R)
• M4: 1,087,726 km (0.075 R)
• M5: 2,313,830 km (0.1 R)
• M6: 3,634,630 km (0.101 R)
• M7: 3,825,218 km (0.118 R)
• M8: 5,725,260 km (0.043 R)
• M9: 6,160,291 km (0.071 R)
• M10: 6,523,963 km (0.102 R)
• M11: 7,445,037 km (0.036 R)
• M12: 7,753,059 km (0.062 R)
• M13: 8,785,135 km (0.076 R)
• M14: 9,013,421 km (0.111 R)
• M15: 11,863,560 km (0.091 R)
• M16: 13,529,183 km (0.095 R)
• M17: 15,099,063 km (0.028 R)
• M18: 20,232,663 km (0.1 R)
• M19: 23,679,697 km (0.031 R)
• M20: 25,599,487 km (0.112 R)
• M21: 26,537,765 km (0.107 R)
• M22: 30,131,554 km (0.12 R)
• M23: 30,390,807 km (0.099 R)
• M24: 30,782,305 km (0.086 R)
• M25: 47,224,457 km (0.051 R)
• M26: 48,278,823 km (0.088 R)
• M27: 50,434,678 km (0.096 R)
• M28: 50,799,996 km (0.092 R)
• M29: 54,744,294 km (0.112 R)
• M30: 56,298,915 km (0.114 R)
• M31: 61,346,796 km (0.115 R)
• M32: 62,181,552 km (0.115 R)
• M33: 75,865,119 km (0.106 R)
• M34: 82,007,907 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211

Radius: 7.9

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 7.9 AU - 12.42 AU

Year: 22354 Days

Day: 15.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,343,329 km

• M1: 110,254 km (0.06 R)
• M2: 617,241 km (0.098 R)
• M3: 1,035,965 km (0.027 R)
• M4: 1,824,944 km (0.096 R)
• M5: 5,336,455 km (0.037 R)
• M6: 6,323,203 km (0.092 R)
• M7: 9,289,579 km (0.096 R)
• M8: 10,062,402 km (0.074 R)
• M9: 11,676,712 km (0.032 R)
• M10: 12,948,743 km (0.053 R)
• M11: 15,200,041 km (0.095 R)
• M12: 32,145,590 km (0.096 R)
• M13: 34,145,564 km (0.068 R)
• M14: 45,983,992 km (0.051 R)
• M15: 52,253,788 km (0.096 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 15,241 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit