🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.8

Radius: 10.2

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.78 AU - 0.82 AU

Year: 462 Days

Day: 8.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 56,272,818 km

• M1: 126,859 km (0.09 R)
• M2: 507,286 km (0.107 R)
• M3: 858,393 km (0.052 R)
• M4: 1,646,773 km (0.117 R)
• M5: 1,992,045 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.4

Radius: 14.5

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.04 AU - 2.46 AU

Year: 2179 Days

Day: 11.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,272,818 km

• M1: 223,499 km (0.062 R)
• M2: 948,750 km (0.095 R)
• M3: 1,563,597 km (0.026 R)
• M4: 2,028,697 km (0.119 R)
• M5: 5,880,543 km (0.071 R)
• M6: 7,448,029 km (0.049 R)
• M7: 7,950,229 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.5

Radius: 12.3

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.27 AU - 2.31 AU

Year: 2238 Days

Day: 6.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,272,818 km

• M1: 154,235 km (0.114 R)
• M2: 546,780 km (0.109 R)
• M3: 1,088,773 km (0.099 R)
• M4: 1,505,703 km (0.1 R)
• M5: 2,279,423 km (0.088 R)
• M6: 3,041,624 km (0.082 R)
• M7: 3,439,554 km (0.087 R)
• M8: 4,761,700 km (0.109 R)
• M9: 6,188,116 km (0.109 R)
• M10: 8,129,298 km (0.104 R)
• M11: 9,689,454 km (0.103 R)
• M12: 10,484,716 km (0.088 R)
• M13: 11,013,246 km (0.075 R)
• M14: 13,004,244 km (0.088 R)
• M15: 14,107,678 km (0.099 R)
• M16: 14,566,195 km (0.076 R)
• M17: 16,100,620 km (0.047 R)
• M18: 16,551,060 km (0.084 R)
• M19: 17,216,471 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.6

Radius: 10.6

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.29 AU - 6.07 AU

Year: 7612 Days

Day: 5.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,272,818 km

• M1: 134,788 km (0.059 R)
• M2: 1,012,030 km (0.112 R)
• M3: 1,428,061 km (0.084 R)
• M4: 1,986,211 km (0.104 R)
• M5: 3,034,892 km (0.092 R)
• M6: 3,803,975 km (0.101 R)
• M7: 4,493,920 km (0.065 R)
• M8: 4,829,318 km (0.082 R)
• M9: 5,378,193 km (0.113 R)
• M10: 6,699,741 km (0.077 R)
• M11: 7,173,517 km (0.082 R)
• M12: 8,970,038 km (0.083 R)
• M13: 10,501,471 km (0.119 R)
• M14: 12,449,984 km (0.112 R)
• M15: 15,543,817 km (0.084 R)
• M16: 17,174,434 km (0.054 R)
• M17: 17,551,720 km (0.046 R)
• M18: 18,257,822 km (0.094 R)
• M19: 19,049,643 km (0.071 R)
• M20: 21,417,628 km (0.11 R)
• M21: 22,672,305 km (0.087 R)
• M22: 23,741,930 km (0.118 R)
• M23: 25,165,952 km (0.059 R)
• M24: 25,571,512 km (0.115 R)
• M25: 26,395,647 km (0.086 R)
• M26: 27,493,396 km (0.087 R)
• M27: 28,271,006 km (0.053 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794.4

Radius: 7

Gravity: 16.21 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 6.02 AU - 7.92 AU

Year: 11881 Days

Day: 18.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,272,818 km

• M1: 87,066 km (0.109 R)
• M2: 313,856 km (0.107 R)
• M3: 876,644 km (0.112 R)
• M4: 1,113,158 km (0.057 R)
• M5: 1,392,756 km (0.092 R)
• M6: 2,484,821 km (0.095 R)
• M7: 2,762,773 km (0.04 R)
• M8: 3,724,089 km (0.1 R)
• M9: 4,326,071 km (0.075 R)
• M10: 5,024,095 km (0.095 R)
• M11: 6,094,019 km (0.085 R)
• M12: 6,723,078 km (0.057 R)
• M13: 8,249,126 km (0.105 R)
• M14: 10,045,946 km (0.036 R)
• M15: 12,454,322 km (0.109 R)
• M16: 14,804,205 km (0.103 R)
• M17: 18,859,504 km (0.038 R)
• M18: 20,965,394 km (0.086 R)
• M19: 22,759,222 km (0.038 R)
• M20: 23,129,776 km (0.097 R)
• M21: 23,978,444 km (0.027 R)
• M22: 29,731,530 km (0.114 R)
• M23: 32,106,545 km (0.048 R)
• M24: 32,455,856 km (0.109 R)
• M25: 35,964,226 km (0.111 R)
• M26: 38,134,143 km (0.078 R)
• M27: 40,933,269 km (0.083 R)
• M28: 41,619,324 km (0.113 R)
• M29: 42,592,758 km (0.066 R)
• M30: 43,723,718 km (0.08 R)
• M31: 52,367,183 km (0.061 R)
• M32: 55,818,556 km (0.085 R)
• M33: 56,492,794 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.6

Radius: 5.1

Gravity: 21.13 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.59 AU - 9.11 AU

Year: 14201 Days

Day: 24 Hours

Environment

Temp: -218 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 56,272,818 km

• M1: 63,429 km (0.094 R)
• M2: 320,588 km (0.069 R)
• M3: 576,550 km (0.042 R)
• M4: 792,869 km (0.102 R)
• M5: 1,392,158 km (0.109 R)
• M6: 1,596,359 km (0.116 R)
• M7: 1,975,290 km (0.111 R)
• M8: 2,620,955 km (0.09 R)
• M9: 3,003,925 km (0.091 R)
• M10: 3,221,441 km (0.071 R)
• M11: 3,475,308 km (0.064 R)
• M12: 4,690,192 km (0.073 R)
• M13: 5,323,291 km (0.094 R)
• M14: 5,862,142 km (0.037 R)
• M15: 6,087,437 km (0.114 R)
• M16: 7,921,357 km (0.061 R)
• M17: 9,776,969 km (0.119 R)
• M18: 10,201,528 km (0.097 R)
• M19: 10,418,295 km (0.112 R)
• M20: 13,852,464 km (0.064 R)
• M21: 15,858,870 km (0.051 R)
• M22: 18,368,674 km (0.104 R)
• M23: 23,305,703 km (0.113 R)
• M24: 24,543,775 km (0.116 R)
• M25: 24,737,953 km (0.093 R)
• M26: 25,129,600 km (0.101 R)
• M27: 25,625,068 km (0.083 R)
• M28: 26,025,990 km (0.102 R)
• M29: 28,093,732 km (0.06 R)
• M30: 32,787,515 km (0.087 R)
• M31: 34,705,060 km (0.111 R)
• M32: 35,815,675 km (0.041 R)
• M33: 38,761,706 km (0.097 R)
• M34: 41,451,176 km (0.114 R)
• M35: 44,984,828 km (0.096 R)
• M36: 47,348,624 km (0.041 R)
• M37: 49,020,829 km (0.112 R)
• M38: 50,889,755 km (0.052 R)
• M39: 54,438,216 km (0.054 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: 389 - 18,327 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit