🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.5

Radius: 10.2

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.8 AU - 0.88 AU

Year: 522 Days

Day: 11.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 66,236,649 km

• M1: 127,009 km (0.095 R)
• M2: 487,839 km (0.114 R)
• M3: 991,535 km (0.095 R)
• M4: 1,450,351 km (0.082 R)
• M5: 1,957,189 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.5

Radius: 12.6

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.11 AU - 1.37 AU

Year: 937 Days

Day: 12.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 66,236,649 km

• M1: 157,377 km (0.059 R)
• M2: 723,904 km (0.029 R)
• M3: 1,187,657 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.1

Radius: 9.8

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.42 AU - 1.66 AU

Year: 1296 Days

Day: 13.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,236,649 km

• M1: 129,253 km (0.071 R)
• M2: 518,656 km (0.104 R)
• M3: 926,460 km (0.041 R)
• M4: 2,061,907 km (0.076 R)
• M5: 2,548,998 km (0.118 R)
• M6: 4,225,990 km (0.036 R)
• M7: 6,184,526 km (0.059 R)
• M8: 7,010,156 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.2

Radius: 12.4

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.57 AU - 2.65 AU

Year: 2860 Days

Day: 13.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,236,649 km

• M1: 154,535 km (0.075 R)
• M2: 643,271 km (0.033 R)
• M3: 1,166,115 km (0.105 R)
• M4: 1,606,831 km (0.116 R)
• M5: 1,994,888 km (0.094 R)
• M6: 2,460,735 km (0.112 R)
• M7: 2,853,729 km (0.119 R)
• M8: 3,324,214 km (0.068 R)
• M9: 3,807,266 km (0.109 R)
• M10: 4,273,562 km (0.089 R)
• M11: 5,200,022 km (0.06 R)
• M12: 6,093,121 km (0.118 R)
• M13: 7,449,974 km (0.103 R)
• M14: 8,019,792 km (0.057 R)
• M15: 8,999,210 km (0.101 R)
• M16: 9,719,822 km (0.105 R)
• M17: 10,323,899 km (0.082 R)
• M18: 11,033,142 km (0.107 R)
• M19: 12,374,137 km (0.057 R)
• M20: 13,403,072 km (0.109 R)
• M21: 15,682,195 km (0.071 R)
• M22: 16,513,810 km (0.03 R)
• M23: 18,549,687 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.5

Radius: 13.7

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.19 AU - 3.61 AU

Year: 4252 Days

Day: 14.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,236,649 km

• M1: 170,392 km (0.111 R)
• M2: 768,335 km (0.052 R)
• M3: 1,273,975 km (0.089 R)
• M4: 1,951,803 km (0.111 R)
• M5: 2,740,633 km (0.066 R)
• M6: 3,525,872 km (0.032 R)
• M7: 4,602,079 km (0.066 R)
• M8: 5,461,818 km (0.111 R)
• M9: 6,613,123 km (0.102 R)
• M10: 8,392,740 km (0.108 R)
• M11: 9,758,269 km (0.112 R)
• M12: 11,312,591 km (0.11 R)
• M13: 14,582,202 km (0.045 R)
• M14: 16,200,701 km (0.037 R)
• M15: 16,904,260 km (0.083 R)
• M16: 18,689,262 km (0.092 R)
• M17: 19,726,274 km (0.104 R)
• M18: 20,801,135 km (0.065 R)
• M19: 23,436,451 km (0.075 R)
• M20: 24,872,890 km (0.047 R)
• M21: 25,888,959 km (0.108 R)

Asteroid Belt

Center: 5.77 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.5

Radius: 4.9

Gravity: 30.34 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.68 AU - 9.6 AU

Year: 15752 Days

Day: 16.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 66,236,649 km

• M1: 60,886 km (0.102 R)
• M2: 220,208 km (0.087 R)
• M3: 1,197,381 km (0.101 R)
• M4: 1,777,223 km (0.12 R)
• M5: 2,032,437 km (0.108 R)
• M6: 2,639,056 km (0.076 R)
• M7: 2,971,762 km (0.096 R)
• M8: 3,331,993 km (0.119 R)
• M9: 5,583,591 km (0.103 R)
• M10: 5,931,855 km (0.025 R)
• M11: 7,243,080 km (0.06 R)
• M12: 9,312,168 km (0.111 R)
• M13: 10,714,499 km (0.108 R)
• M14: 12,641,618 km (0.038 R)
• M15: 13,377,490 km (0.094 R)
• M16: 15,378,960 km (0.032 R)
• M17: 17,085,274 km (0.114 R)
• M18: 19,172,762 km (0.115 R)
• M19: 19,964,135 km (0.077 R)
• M20: 20,777,050 km (0.04 R)
• M21: 24,047,409 km (0.076 R)
• M22: 24,863,914 km (0.07 R)
• M23: 25,174,778 km (0.079 R)
• M24: 26,876,903 km (0.074 R)
• M25: 28,995,957 km (0.087 R)
• M26: 32,812,199 km (0.105 R)
• M27: 40,414,912 km (0.093 R)
• M28: 47,503,457 km (0.106 R)
• M29: 49,437,459 km (0.062 R)
• M30: 50,423,907 km (0.105 R)
• M31: 51,088,720 km (0.068 R)
• M32: 52,266,205 km (0.071 R)
• M33: 52,947,174 km (0.092 R)
• M34: 57,880,164 km (0.108 R)
• M35: 61,585,404 km (0.077 R)
• M36: 62,727,135 km (0.105 R)
• M37: 65,445,777 km (0.044 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 19,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit