🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.51 AU - 0.61 AU

Year: 266 Days

Day: 24 Hours

Environment

Temp: -123 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,189,719 km

• M1: 88,861 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.3

Radius: 9.8

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.6 AU - 0.82 AU

Year: 380 Days

Day: 9.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 45,189,719 km

• M1: 122,820 km (0.083 R)
• M2: 473,178 km (0.053 R)
• M3: 819,796 km (0.061 R)
• M4: 1,305,690 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532

Radius: 14.9

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.99 AU - 1.03 AU

Year: 645 Days

Day: 5 Hours

Environment

Temp: -168 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,189,719 km

• M1: 188,045 km (0.091 R)
• M2: 689,497 km (0.116 R)
• M3: 1,603,240 km (0.095 R)
• M4: 2,081,206 km (0.026 R)
• M5: 2,573,682 km (0.072 R)
• M6: 3,168,184 km (0.077 R)
• M7: 4,857,892 km (0.091 R)
• M8: 6,085,641 km (0.08 R)
• M9: 7,006,416 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.2

Radius: 13.5

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.09 AU - 2.37 AU

Year: 2117 Days

Day: 11 Hours

Environment

Temp: -192 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,189,719 km

• M1: 167,849 km (0.108 R)
• M2: 589,116 km (0.082 R)
• M3: 1,344,586 km (0.056 R)
• M4: 2,452,358 km (0.112 R)
• M5: 2,999,138 km (0.113 R)
• M6: 4,199,212 km (0.04 R)
• M7: 5,429,804 km (0.08 R)
• M8: 5,974,640 km (0.112 R)
• M9: 6,693,009 km (0.107 R)
• M10: 7,528,214 km (0.045 R)
• M11: 8,660,370 km (0.102 R)
• M12: 9,095,999 km (0.087 R)
• M13: 10,305,498 km (0.068 R)
• M14: 11,579,324 km (0.039 R)
• M15: 12,783,288 km (0.092 R)
• M16: 13,482,358 km (0.106 R)
• M17: 14,909,373 km (0.078 R)
• M18: 15,882,058 km (0.082 R)
• M19: 17,472,882 km (0.052 R)
• M20: 18,554,175 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.8

Radius: 3.1

Gravity: 49.61 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6.07 AU - 7.09 AU

Year: 10732 Days

Day: 16.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 133 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 45,189,719 km

• M1: 38,596 km (0.094 R)
• M2: 257,159 km (0.119 R)
• M3: 389,104 km (0.119 R)
• M4: 820,544 km (0.053 R)
• M5: 1,204,113 km (0.104 R)
• M6: 1,496,428 km (0.112 R)
• M7: 1,594,115 km (0.114 R)
• M8: 2,062,805 km (0.118 R)
• M9: 2,255,786 km (0.065 R)
• M10: 2,677,652 km (0.117 R)
• M11: 3,015,893 km (0.12 R)
• M12: 3,334,686 km (0.038 R)
• M13: 5,802,303 km (0.076 R)
• M14: 6,775,138 km (0.088 R)
• M15: 7,083,010 km (0.093 R)
• M16: 7,726,730 km (0.119 R)
• M17: 8,718,863 km (0.098 R)
• M18: 9,129,360 km (0.1 R)
• M19: 12,312,802 km (0.097 R)
• M20: 14,845,046 km (0.084 R)
• M21: 16,852,499 km (0.091 R)
• M22: 17,133,145 km (0.12 R)
• M23: 18,066,636 km (0.079 R)
• M24: 20,428,487 km (0.115 R)
• M25: 24,838,632 km (0.079 R)
• M26: 25,293,410 km (0.115 R)
• M27: 29,133,138 km (0.097 R)
• M28: 30,667,713 km (0.076 R)
• M29: 30,980,971 km (0.086 R)
• M30: 35,363,889 km (0.088 R)
• M31: 36,755,150 km (0.052 R)
• M32: 36,872,734 km (0.057 R)
• M33: 37,108,500 km (0.07 R)
• M34: 37,464,244 km (0.081 R)
• M35: 39,031,880 km (0.116 R)
• M36: 40,642,600 km (0.11 R)
• M37: 42,297,152 km (0.06 R)
• M38: 42,815,060 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342

Radius: 6.6

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.62 AU - 9.3 AU

Year: 12955 Days

Day: 16.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,189,719 km

• M1: 82,129 km (0.072 R)
• M2: 307,573 km (0.106 R)
• M3: 660,026 km (0.072 R)
• M4: 1,148,463 km (0.119 R)
• M5: 1,823,897 km (0.072 R)
• M6: 2,441,886 km (0.115 R)
• M7: 2,799,126 km (0.083 R)
• M8: 3,423,996 km (0.082 R)
• M9: 5,653,154 km (0.119 R)
• M10: 6,498,083 km (0.078 R)
• M11: 6,797,578 km (0.093 R)
• M12: 9,440,822 km (0.12 R)
• M13: 11,041,968 km (0.089 R)
• M14: 12,469,731 km (0.1 R)
• M15: 18,139,340 km (0.114 R)
• M16: 19,188,021 km (0.046 R)
• M17: 20,595,139 km (0.09 R)
• M18: 22,832,525 km (0.092 R)
• M19: 27,201,381 km (0.111 R)
• M20: 28,473,860 km (0.097 R)
• M21: 30,094,005 km (0.101 R)
• M22: 32,312,242 km (0.102 R)
• M23: 34,411,250 km (0.098 R)
• M24: 43,059,054 km (0.059 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: 438 - 14,659 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit