🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.25 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.7

Radius: 10.7

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.92 AU - 5.06 AU

Year: 3584 Days

Day: 5.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,982,186 km

• M1: 133,142 km (0.047 R)
• M2: 470,784 km (0.089 R)
• M3: 979,866 km (0.083 R)
• M4: 1,376,749 km (0.061 R)
• M5: 2,800,323 km (0.097 R)
• M6: 3,172,522 km (0.083 R)
• M7: 3,888,049 km (0.114 R)
• M8: 4,880,182 km (0.074 R)
• M9: 5,750,093 km (0.112 R)
• M10: 8,250,472 km (0.056 R)
• M11: 8,908,254 km (0.118 R)
• M12: 9,640,236 km (0.102 R)
• M13: 10,000,767 km (0.059 R)
• M14: 11,758,542 km (0.109 R)
• M15: 12,734,519 km (0.107 R)
• M16: 14,953,654 km (0.091 R)
• M17: 17,301,443 km (0.091 R)
• M18: 17,954,886 km (0.095 R)
• M19: 18,563,001 km (0.062 R)
• M20: 20,208,728 km (0.071 R)
• M21: 21,336,097 km (0.079 R)
• M22: 21,675,535 km (0.072 R)
• M23: 23,069,488 km (0.031 R)
• M24: 24,596,433 km (0.1 R)

Planet 2 - Ice Giant

Semi-Major Axis: 12.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.6

Radius: 4.9

Gravity: 22.89 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 10.2 AU - 13.92 AU

Year: 15778 Days

Day: 17.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,982,186 km

• M1: 60,886 km (0.076 R)
• M2: 424,409 km (0.097 R)
• M3: 651,948 km (0.111 R)
• M4: 1,427,762 km (0.12 R)
• M5: 1,624,932 km (0.099 R)
• M6: 1,805,796 km (0.106 R)
• M7: 2,018,524 km (0.092 R)
• M8: 2,188,916 km (0.116 R)
• M9: 2,758,884 km (0.069 R)
• M10: 2,921,646 km (0.076 R)
• M11: 3,090,842 km (0.099 R)
• M12: 3,805,770 km (0.059 R)
• M13: 4,066,968 km (0.111 R)
• M14: 5,741,267 km (0.026 R)
• M15: 9,140,879 km (0.039 R)
• M16: 9,451,444 km (0.051 R)
• M17: 11,406,090 km (0.103 R)
• M18: 14,294,376 km (0.079 R)
• M19: 15,139,753 km (0.1 R)
• M20: 15,501,631 km (0.089 R)
• M21: 16,167,491 km (0.087 R)
• M22: 17,556,208 km (0.086 R)
• M23: 19,528,805 km (0.079 R)
• M24: 20,833,897 km (0.109 R)
• M25: 26,953,048 km (0.119 R)
• M26: 27,271,093 km (0.116 R)
• M27: 29,906,110 km (0.079 R)
• M28: 34,045,783 km (0.03 R)
• M29: 35,548,643 km (0.091 R)
• M30: 40,459,791 km (0.113 R)
• M31: 42,716,774 km (0.106 R)
• M32: 45,205,185 km (0.082 R)
• M33: 50,308,418 km (0.091 R)
• M34: 54,083,669 km (0.076 R)

Planet 3 - Ice Giant

Semi-Major Axis: 15.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 625.6

Radius: 7.1

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 15.1 AU - 16.06 AU

Year: 23167 Days

Day: 21.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,982,186 km

• M1: 89,160 km (0.093 R)
• M2: 628,760 km (0.112 R)
• M3: 1,359,246 km (0.029 R)
• M4: 1,893,011 km (0.107 R)
• M5: 3,064,662 km (0.109 R)
• M6: 3,696,563 km (0.056 R)
• M7: 6,157,448 km (0.094 R)
• M8: 6,783,366 km (0.07 R)
• M9: 10,377,754 km (0.029 R)
• M10: 10,877,560 km (0.096 R)
• M11: 13,620,587 km (0.105 R)
• M12: 16,455,467 km (0.071 R)
• M13: 19,850,590 km (0.106 R)
• M14: 27,511,048 km (0.073 R)
• M15: 30,955,539 km (0.101 R)
• M16: 40,802,370 km (0.047 R)
• M17: 44,606,943 km (0.118 R)
• M18: 49,162,498 km (0.069 R)
• M19: 52,730,108 km (0.081 R)
• M20: 54,018,445 km (0.103 R)
• M21: 55,705,610 km (0.116 R)
• M22: 56,849,734 km (0.113 R)
• M23: 60,176,342 km (0.08 R)
• M24: 63,217,367 km (0.105 R)
• M25: 64,670,860 km (0.113 R)
• M26: 65,090,333 km (0.084 R)
• M27: 73,863,201 km (0.099 R)
• M28: 80,452,089 km (0.073 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.5

Radius: 6.8

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 15.13 AU - 21.33 AU

Year: 29323 Days

Day: 15.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,982,186 km

• M1: 97,239 km (0.047 R)
• M2: 321,635 km (0.09 R)
• M3: 611,556 km (0.104 R)
• M4: 833,709 km (0.102 R)
• M5: 1,135,597 km (0.063 R)
• M6: 2,017,926 km (0.119 R)
• M7: 4,824,382 km (0.089 R)
• M8: 5,998,426 km (0.11 R)
• M9: 6,779,476 km (0.103 R)
• M10: 13,278,157 km (0.113 R)
• M11: 14,102,442 km (0.072 R)
• M12: 15,402,298 km (0.074 R)
• M13: 27,793,040 km (0.11 R)
• M14: 29,943,959 km (0.095 R)
• M15: 38,687,206 km (0.025 R)
• M16: 58,222,594 km (0.031 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 13,793 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit