🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.5

Radius: 8.7

Gravity: 11.36 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.61 AU - 0.87 AU

Year: 447 Days

Day: 6.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 175.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,307,961 km

• M1: 108,608 km (0.106 R)
• M2: 387,608 km (0.119 R)
• M3: 665,262 km (0.076 R)
• M4: 1,105,977 km (0.093 R)
• M5: 1,527,245 km (0.052 R)
• M6: 1,835,715 km (0.113 R)
• M7: 2,250,102 km (0.081 R)
• M8: 2,965,778 km (0.104 R)
• M9: 3,798,739 km (0.116 R)
• M10: 4,445,301 km (0.031 R)
• M11: 4,779,502 km (0.098 R)
• M12: 5,379,689 km (0.027 R)
• M13: 6,139,347 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.2

Radius: 13.5

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.92 AU - 1.06 AU

Year: 692 Days

Day: 9.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 88,307,961 km

• M1: 167,849 km (0.081 R)
• M2: 625,319 km (0.045 R)
• M3: 1,233,584 km (0.071 R)
• M4: 1,676,543 km (0.088 R)
• M5: 2,097,512 km (0.116 R)
• M6: 2,622,002 km (0.075 R)
• M7: 3,172,372 km (0.094 R)
• M8: 4,158,073 km (0.03 R)
• M9: 6,961,088 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.7

Radius: 14.6

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.95 AU - 1.37 AU

Year: 878 Days

Day: 5.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 88,307,961 km

• M1: 181,612 km (0.083 R)
• M2: 678,127 km (0.047 R)
• M3: 1,651,860 km (0.072 R)
• M4: 2,176,799 km (0.12 R)
• M5: 4,048,418 km (0.069 R)
• M6: 5,304,890 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.5

Radius: 8.8

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.07 AU - 1.77 AU

Year: 1189 Days

Day: 5.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,307,961 km

• M1: 109,655 km (0.106 R)
• M2: 400,922 km (0.105 R)
• M3: 868,715 km (0.109 R)
• M4: 1,250,189 km (0.106 R)
• M5: 1,704,219 km (0.118 R)
• M6: 2,141,643 km (0.104 R)
• M7: 2,526,858 km (0.086 R)
• M8: 3,437,460 km (0.089 R)
• M9: 3,736,506 km (0.094 R)
• M10: 4,104,517 km (0.096 R)
• M11: 4,816,603 km (0.096 R)
• M12: 6,137,701 km (0.108 R)
• M13: 6,845,299 km (0.074 R)
• M14: 7,193,563 km (0.098 R)
• M15: 8,061,680 km (0.103 R)
• M16: 8,338,137 km (0.116 R)
• M17: 8,851,706 km (0.094 R)
• M18: 9,661,479 km (0.107 R)
• M19: 10,683,981 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.9

Radius: 9.7

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.33 AU - 2.05 AU

Year: 1544 Days

Day: 14 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,307,961 km

• M1: 121,025 km (0.107 R)
• M2: 509,381 km (0.097 R)
• M3: 866,172 km (0.092 R)
• M4: 1,265,897 km (0.086 R)
• M5: 1,735,634 km (0.05 R)
• M6: 2,344,647 km (0.104 R)
• M7: 2,835,179 km (0.092 R)
• M8: 3,560,579 km (0.105 R)
• M9: 4,172,584 km (0.094 R)
• M10: 4,790,423 km (0.072 R)
• M11: 5,287,238 km (0.068 R)
• M12: 5,676,342 km (0.063 R)
• M13: 6,084,445 km (0.108 R)
• M14: 6,460,683 km (0.072 R)
• M15: 7,232,459 km (0.119 R)
• M16: 7,569,353 km (0.057 R)
• M17: 8,064,372 km (0.108 R)
• M18: 8,705,698 km (0.12 R)
• M19: 9,747,947 km (0.093 R)
• M20: 10,369,526 km (0.079 R)
• M21: 12,918,225 km (0.095 R)
• M22: 13,289,676 km (0.12 R)
• M23: 14,847,738 km (0.079 R)
• M24: 15,347,096 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.2

Radius: 9.2

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.1 AU - 2.2 AU

Year: 2216 Days

Day: 13 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,307,961 km

• M1: 114,442 km (0.095 R)
• M2: 550,969 km (0.118 R)
• M3: 961,765 km (0.112 R)
• M4: 1,356,105 km (0.11 R)
• M5: 2,252,495 km (0.063 R)
• M6: 2,776,836 km (0.059 R)
• M7: 3,230,117 km (0.088 R)
• M8: 3,768,520 km (0.088 R)
• M9: 4,571,412 km (0.092 R)
• M10: 5,675,594 km (0.084 R)
• M11: 6,920,697 km (0.07 R)
• M12: 7,258,489 km (0.102 R)
• M13: 7,998,101 km (0.04 R)
• M14: 8,402,015 km (0.096 R)
• M15: 10,409,169 km (0.086 R)
• M16: 10,891,024 km (0.094 R)
• M17: 13,702,267 km (0.106 R)
• M18: 15,156,807 km (0.094 R)
• M19: 15,776,292 km (0.069 R)
• M20: 16,761,993 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.9

Radius: 4.9

Gravity: 38.48 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.5 AU - 12.08 AU

Year: 21532 Days

Day: 22.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 88,307,961 km

• M1: 64,477 km (0.087 R)
• M2: 268,528 km (0.069 R)
• M3: 889,958 km (0.037 R)
• M4: 1,594,115 km (0.086 R)
• M5: 1,916,349 km (0.041 R)
• M6: 2,419,895 km (0.072 R)
• M7: 2,925,536 km (0.075 R)
• M8: 3,780,039 km (0.043 R)
• M9: 5,499,517 km (0.117 R)
• M10: 8,991,131 km (0.044 R)
• M11: 9,399,533 km (0.114 R)
• M12: 10,066,441 km (0.112 R)
• M13: 18,184,968 km (0.034 R)
• M14: 19,409,576 km (0.065 R)
• M15: 19,602,856 km (0.095 R)
• M16: 25,547,128 km (0.101 R)
• M17: 30,851,569 km (0.12 R)
• M18: 33,412,385 km (0.116 R)
• M19: 35,100,747 km (0.065 R)
• M20: 37,141,411 km (0.072 R)
• M21: 43,570,230 km (0.106 R)
• M22: 45,074,138 km (0.063 R)
• M23: 47,132,904 km (0.037 R)
• M24: 49,793,502 km (0.045 R)
• M25: 49,974,216 km (0.104 R)
• M26: 52,552,386 km (0.105 R)
• M27: 52,927,727 km (0.043 R)
• M28: 55,024,341 km (0.11 R)
• M29: 58,977,016 km (0.08 R)
• M30: 70,131,033 km (0.039 R)
• M31: 74,297,184 km (0.191 R)
• M32: 80,104,424 km (0.093 R)
• M33: 80,601,687 km (0.098 R)
• M34: 82,357,817 km (0.102 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: 353 - 20,115 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit