🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.4

Radius: 8.2

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.63 AU - 0.77 AU

Year: 384 Days

Day: 10.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,081,528 km

• M1: 105,167 km (0.045 R)
• M2: 361,129 km (0.112 R)
• M3: 642,224 km (0.102 R)
• M4: 939,175 km (0.079 R)
• M5: 1,231,639 km (0.11 R)
• M6: 1,795,474 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.7

Radius: 13.4

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.38 AU - 2.22 AU

Year: 1584 Days

Day: 8.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,081,528 km

• M1: 166,802 km (0.045 R)
• M2: 917,783 km (0.089 R)
• M3: 1,450,351 km (0.05 R)
• M4: 1,923,679 km (0.113 R)
• M5: 3,155,318 km (0.04 R)
• M6: 4,709,640 km (0.082 R)
• M7: 5,399,436 km (0.098 R)
• M8: 5,902,534 km (0.111 R)
• M9: 7,332,390 km (0.107 R)
• M10: 7,833,692 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.3

Radius: 11.5

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.49 AU - 3.47 AU

Year: 3375 Days

Day: 10.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,081,528 km

• M1: 143,315 km (0.083 R)
• M2: 827,276 km (0.107 R)
• M3: 1,355,357 km (0.106 R)
• M4: 1,839,156 km (0.063 R)
• M5: 2,331,483 km (0.092 R)
• M6: 3,686,092 km (0.113 R)
• M7: 4,245,737 km (0.059 R)
• M8: 4,665,808 km (0.098 R)
• M9: 5,243,106 km (0.099 R)
• M10: 6,420,142 km (0.109 R)
• M11: 8,218,159 km (0.098 R)
• M12: 8,578,092 km (0.104 R)
• M13: 10,835,224 km (0.034 R)
• M14: 11,312,741 km (0.076 R)
• M15: 12,925,854 km (0.049 R)
• M16: 14,117,252 km (0.103 R)
• M17: 14,634,711 km (0.094 R)
• M18: 17,950,099 km (0.046 R)
• M19: 20,137,070 km (0.078 R)
• M20: 21,193,830 km (0.095 R)
• M21: 21,941,520 km (0.067 R)
• M22: 23,131,571 km (0.03 R)
• M23: 24,290,505 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.4

Radius: 13.2

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.46 AU - 3.48 AU

Year: 4240 Days

Day: 12.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,081,528 km

• M1: 165,455 km (0.117 R)
• M2: 619,934 km (0.047 R)
• M3: 1,054,515 km (0.12 R)
• M4: 1,549,236 km (0.099 R)
• M5: 1,987,109 km (0.111 R)
• M6: 2,674,212 km (0.041 R)
• M7: 3,216,953 km (0.103 R)
• M8: 4,749,882 km (0.063 R)
• M9: 6,887,336 km (0.087 R)
• M10: 8,769,726 km (0.057 R)
• M11: 10,532,438 km (0.106 R)
• M12: 12,085,264 km (0.105 R)
• M13: 13,320,942 km (0.119 R)
• M14: 13,890,611 km (0.109 R)
• M15: 18,030,433 km (0.066 R)
• M16: 21,417,778 km (0.111 R)
• M17: 22,781,661 km (0.11 R)
• M18: 24,126,397 km (0.05 R)
• M19: 25,130,049 km (0.075 R)
• M20: 25,920,823 km (0.078 R)
• M21: 26,809,883 km (0.095 R)
• M22: 27,552,337 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208

Radius: 9.5

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.33 AU - 3.77 AU

Year: 4388 Days

Day: 10.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,081,528 km

• M1: 118,182 km (0.075 R)
• M2: 523,892 km (0.051 R)
• M3: 994,975 km (0.071 R)
• M4: 1,355,207 km (0.099 R)
• M5: 4,696,476 km (0.101 R)
• M6: 8,264,834 km (0.092 R)
• M7: 9,266,691 km (0.079 R)
• M8: 13,281,897 km (0.117 R)
• M9: 15,471,711 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.1

Radius: 12.9

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.29 AU - 4.91 AU

Year: 5446 Days

Day: 9.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,081,528 km

• M1: 160,818 km (0.077 R)
• M2: 751,131 km (0.057 R)
• M3: 1,155,494 km (0.115 R)
• M4: 1,597,406 km (0.113 R)
• M5: 2,077,615 km (0.118 R)
• M6: 2,618,561 km (0.087 R)
• M7: 3,110,140 km (0.06 R)
• M8: 3,823,123 km (0.076 R)
• M9: 4,281,491 km (0.038 R)
• M10: 5,338,849 km (0.085 R)
• M11: 5,913,753 km (0.095 R)
• M12: 7,332,240 km (0.079 R)
• M13: 8,436,722 km (0.072 R)
• M14: 9,346,277 km (0.061 R)
• M15: 9,869,420 km (0.119 R)
• M16: 10,597,214 km (0.101 R)
• M17: 12,109,349 km (0.066 R)
• M18: 12,626,509 km (0.09 R)
• M19: 13,212,484 km (0.041 R)
• M20: 15,139,005 km (0.104 R)
• M21: 19,123,245 km (0.103 R)
• M22: 20,182,997 km (0.083 R)
• M23: 26,854,015 km (0.084 R)
• M24: 27,292,187 km (0.117 R)
• M25: 27,824,157 km (0.093 R)
• M26: 31,259,073 km (0.039 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.9

Radius: 11.7

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.06 AU - 6.4 AU

Year: 7846 Days

Day: 6.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,081,528 km

• M1: 145,559 km (0.049 R)
• M2: 669,002 km (0.084 R)
• M3: 1,131,110 km (0.096 R)
• M4: 1,677,740 km (0.093 R)
• M5: 2,152,863 km (0.119 R)
• M6: 3,154,421 km (0.084 R)
• M7: 4,963,508 km (0.029 R)
• M8: 7,226,026 km (0.027 R)
• M9: 7,905,649 km (0.098 R)
• M10: 9,815,715 km (0.077 R)
• M11: 10,549,193 km (0.047 R)
• M12: 12,180,857 km (0.095 R)
• M13: 12,571,457 km (0.056 R)
• M14: 13,260,505 km (0.095 R)
• M15: 14,402,984 km (0.098 R)
• M16: 17,936,186 km (0.11 R)
• M17: 19,483,477 km (0.101 R)
• M18: 20,641,813 km (0.115 R)
• M19: 25,014,559 km (0.068 R)
• M20: 28,477,750 km (0.101 R)
• M21: 33,213,719 km (0.115 R)
• M22: 35,089,228 km (0.042 R)
• M23: 41,388,944 km (0.119 R)
• M24: 42,656,636 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.5

Radius: 13.4

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.05 AU - 6.69 AU

Year: 8163 Days

Day: 9.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,081,528 km

• M1: 166,951 km (0.048 R)
• M2: 877,840 km (0.103 R)
• M3: 1,487,601 km (0.104 R)
• M4: 2,131,321 km (0.07 R)
• M5: 2,811,842 km (0.112 R)
• M6: 3,260,186 km (0.049 R)
• M7: 6,377,058 km (0.101 R)
• M8: 7,314,737 km (0.076 R)
• M9: 9,699,776 km (0.113 R)
• M10: 10,134,508 km (0.052 R)
• M11: 10,939,643 km (0.041 R)
• M12: 14,468,059 km (0.061 R)
• M13: 15,620,112 km (0.114 R)
• M14: 17,818,154 km (0.087 R)
• M15: 21,818,401 km (0.078 R)
• M16: 23,504,817 km (0.103 R)
• M17: 24,027,363 km (0.101 R)
• M18: 25,005,284 km (0.084 R)
• M19: 27,326,744 km (0.109 R)
• M20: 28,687,636 km (0.091 R)
• M21: 29,586,120 km (0.082 R)
• M22: 32,609,344 km (0.072 R)
• M23: 34,140,179 km (0.076 R)
• M24: 34,923,174 km (0.091 R)
• M25: 36,178,001 km (0.042 R)
• M26: 38,656,539 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: 199 - 15,409 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit