🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.6

Radius: 14

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.67 AU - 0.89 AU

Year: 445 Days

Day: 13.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,577,052 km

• M1: 175,329 km (0.1 R)
• M2: 730,187 km (0.112 R)
• M3: 1,203,365 km (0.119 R)
• M4: 1,771,089 km (0.087 R)
• M5: 2,596,869 km (0.116 R)
• M6: 3,317,333 km (0.091 R)
• M7: 3,878,325 km (0.114 R)
• M8: 4,839,042 km (0.081 R)
• M9: 5,410,057 km (0.12 R)
• M10: 6,436,448 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.5

Radius: 14.2

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.09 AU - 1.21 AU

Year: 796 Days

Day: 11 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,577,052 km

• M1: 176,675 km (0.079 R)
• M2: 666,309 km (0.102 R)
• M3: 1,716,636 km (0.039 R)
• M4: 2,160,343 km (0.088 R)
• M5: 2,936,606 km (0.051 R)
• M6: 3,384,053 km (0.075 R)
• M7: 4,142,066 km (0.078 R)
• M8: 5,083,934 km (0.112 R)
• M9: 6,506,011 km (0.115 R)
• M10: 7,019,581 km (0.113 R)
• M11: 7,754,854 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.7

Radius: 10.1

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.09 AU - 1.23 AU

Year: 807 Days

Day: 13.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,577,052 km

• M1: 125,662 km (0.026 R)
• M2: 537,206 km (0.045 R)
• M3: 921,373 km (0.082 R)
• M4: 1,388,119 km (0.12 R)
• M5: 1,796,222 km (0.043 R)
• M6: 2,713,705 km (0.112 R)
• M7: 3,219,945 km (0.103 R)
• M8: 3,562,972 km (0.112 R)
• M9: 4,103,470 km (0.091 R)
• M10: 4,594,899 km (0.092 R)
• M11: 5,763,707 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680

Radius: 11.2

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.38 AU - 1.52 AU

Year: 1127 Days

Day: 7.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,577,052 km

• M1: 139,276 km (0.042 R)
• M2: 503,696 km (0.052 R)
• M3: 1,078,002 km (0.095 R)
• M4: 1,566,888 km (0.067 R)
• M5: 2,043,507 km (0.113 R)
• M6: 2,665,236 km (0.117 R)
• M7: 3,264,375 km (0.077 R)
• M8: 3,838,532 km (0.08 R)
• M9: 5,072,714 km (0.116 R)
• M10: 5,469,897 km (0.099 R)
• M11: 6,394,711 km (0.1 R)
• M12: 7,050,996 km (0.104 R)
• M13: 8,199,310 km (0.094 R)
• M14: 8,720,060 km (0.116 R)
• M15: 10,196,441 km (0.102 R)
• M16: 10,929,022 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.9

Radius: 9.7

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.5 AU - 2.42 AU

Year: 1772 Days

Day: 8.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,577,052 km

• M1: 120,725 km (0.107 R)
• M2: 480,658 km (0.03 R)
• M3: 876,195 km (0.112 R)
• M4: 1,306,737 km (0.098 R)
• M5: 1,739,674 km (0.056 R)
• M6: 2,170,216 km (0.062 R)
• M7: 2,726,421 km (0.093 R)
• M8: 4,255,311 km (0.065 R)
• M9: 4,957,673 km (0.079 R)
• M10: 5,437,284 km (0.1 R)
• M11: 5,971,648 km (0.046 R)
• M12: 6,338,911 km (0.052 R)
• M13: 6,904,540 km (0.067 R)
• M14: 7,503,680 km (0.06 R)
• M15: 9,708,752 km (0.072 R)
• M16: 10,148,720 km (0.101 R)
• M17: 10,995,743 km (0.078 R)
• M18: 11,889,141 km (0.09 R)
• M19: 12,669,892 km (0.112 R)
• M20: 13,862,337 km (0.103 R)
• M21: 14,815,724 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856

Radius: 9.1

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.41 AU - 5.73 AU

Year: 7371 Days

Day: 7.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,577,052 km

• M1: 113,694 km (0.109 R)
• M2: 644,617 km (0.092 R)
• M3: 996,471 km (0.115 R)
• M4: 2,241,425 km (0.06 R)
• M5: 2,863,154 km (0.073 R)
• M6: 3,840,626 km (0.108 R)
• M7: 4,392,343 km (0.096 R)
• M8: 5,209,147 km (0.115 R)
• M9: 6,840,063 km (0.095 R)
• M10: 7,452,368 km (0.104 R)
• M11: 8,059,136 km (0.106 R)
• M12: 8,698,518 km (0.045 R)
• M13: 10,272,736 km (0.108 R)
• M14: 10,619,055 km (0.084 R)
• M15: 13,150,102 km (0.075 R)
• M16: 14,772,939 km (0.045 R)
• M17: 16,390,840 km (0.102 R)
• M18: 23,364,046 km (0.113 R)
• M19: 28,941,354 km (0.083 R)
• M20: 32,405,292 km (0.093 R)
• M21: 36,938,557 km (0.069 R)
• M22: 38,341,186 km (0.066 R)
• M23: 39,295,920 km (0.084 R)
• M24: 40,388,732 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 912.5

Radius: 4.6

Gravity: 43.12 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 7 AU - 8.16 AU

Year: 13475 Days

Day: 20.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,577,052 km

• M1: 57,146 km (0.087 R)
• M2: 222,452 km (0.052 R)
• M3: 541,245 km (0.117 R)
• M4: 839,394 km (0.032 R)
• M5: 1,641,388 km (0.11 R)
• M6: 1,810,284 km (0.116 R)
• M7: 1,953,898 km (0.073 R)
• M8: 2,583,854 km (0.082 R)
• M9: 3,006,768 km (0.085 R)
• M10: 3,287,114 km (0.118 R)
• M11: 3,929,487 km (0.117 R)
• M12: 4,079,534 km (0.09 R)
• M13: 4,957,374 km (0.081 R)
• M14: 5,837,459 km (0.047 R)
• M15: 10,636,259 km (0.08 R)
• M16: 11,837,380 km (0.084 R)
• M17: 12,214,666 km (0.11 R)
• M18: 12,730,180 km (0.12 R)
• M19: 13,126,166 km (0.039 R)
• M20: 14,792,537 km (0.038 R)
• M21: 20,004,078 km (0.117 R)
• M22: 20,539,040 km (0.11 R)
• M23: 24,051,298 km (0.069 R)
• M24: 24,453,418 km (0.071 R)
• M25: 29,980,760 km (0.06 R)
• M26: 30,798,910 km (0.05 R)
• M27: 32,357,720 km (0.102 R)
• M28: 33,591,903 km (0.092 R)
• M29: 34,474,381 km (0.115 R)
• M30: 45,070,996 km (0.09 R)
• M31: 45,989,677 km (0.086 R)
• M32: 47,390,960 km (0.064 R)
• M33: 52,772,294 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.3

Radius: 5.3

Gravity: 15.18 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 7.73 AU - 12.79 AU

Year: 21220 Days

Day: 19.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,577,052 km

• M1: 72,854 km (0.093 R)
• M2: 845,228 km (0.087 R)
• M3: 1,661,883 km (0.09 R)
• M4: 2,581,311 km (0.071 R)
• M5: 2,838,171 km (0.116 R)
• M6: 4,484,645 km (0.089 R)
• M7: 4,996,569 km (0.095 R)
• M8: 5,175,638 km (0.113 R)
• M9: 6,259,025 km (0.094 R)
• M10: 6,509,452 km (0.1 R)
• M11: 7,863,462 km (0.087 R)
• M12: 10,874,718 km (0.097 R)
• M13: 13,238,215 km (0.087 R)
• M14: 14,072,821 km (0.113 R)
• M15: 16,706,791 km (0.032 R)
• M16: 24,846,710 km (0.093 R)
• M17: 30,528,138 km (0.071 R)
• M18: 37,425,797 km (0.036 R)
• M19: 38,528,483 km (0.075 R)
• M20: 67,374,692 km (0.091 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 320 - 19,816 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit