🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.7

Radius: 11

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.43 AU - 0.65 AU

Year: 265 Days

Day: 5.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,462,358 km

• M1: 136,732 km (0.105 R)
• M2: 511,774 km (0.098 R)
• M3: 931,995 km (0.105 R)
• M4: 1,609,823 km (0.111 R)
• M5: 2,370,528 km (0.095 R)
• M6: 3,071,095 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.4

Radius: 14.9

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.59 AU - 0.79 AU

Year: 382 Days

Day: 9.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 42,462,358 km

• M1: 186,549 km (0.103 R)
• M2: 717,322 km (0.114 R)
• M3: 1,302,100 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.9

Radius: 11.9

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.96 AU - 1.02 AU

Year: 657 Days

Day: 8.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,462,358 km

• M1: 148,102 km (0.118 R)
• M2: 570,417 km (0.066 R)
• M3: 943,963 km (0.106 R)
• M4: 1,372,261 km (0.113 R)
• M5: 2,411,966 km (0.065 R)
• M6: 2,807,653 km (0.111 R)
• M7: 3,452,719 km (0.093 R)
• M8: 5,745,456 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152

Radius: 13.3

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.94 AU - 1.32 AU

Year: 801 Days

Day: 9.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,462,358 km

• M1: 165,455 km (0.115 R)
• M2: 754,422 km (0.092 R)
• M3: 1,723,517 km (0.047 R)
• M4: 2,157,351 km (0.098 R)
• M5: 2,963,833 km (0.115 R)
• M6: 3,455,412 km (0.09 R)
• M7: 4,590,560 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.5

Radius: 13.1

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.37 AU - 2.61 AU

Year: 2620 Days

Day: 11.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 42,462,358 km

• M1: 165,306 km (0.092 R)
• M2: 2,504,119 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345

Radius: 9.7

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.61 AU - 2.73 AU

Year: 2909 Days

Day: 7 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,462,358 km

• M1: 120,725 km (0.069 R)
• M2: 543,040 km (0.042 R)
• M3: 902,674 km (0.11 R)
• M4: 1,317,359 km (0.096 R)
• M5: 1,913,506 km (0.119 R)
• M6: 2,261,621 km (0.091 R)
• M7: 3,569,704 km (0.056 R)
• M8: 3,931,133 km (0.098 R)
• M9: 5,278,860 km (0.074 R)
• M10: 5,701,324 km (0.056 R)
• M11: 6,146,229 km (0.059 R)
• M12: 7,022,274 km (0.093 R)
• M13: 7,475,854 km (0.084 R)
• M14: 10,511,046 km (0.09 R)
• M15: 11,526,815 km (0.115 R)
• M16: 12,813,806 km (0.056 R)
• M17: 14,509,049 km (0.111 R)
• M18: 15,719,146 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.9

Radius: 14.5

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.21 AU - 4.41 AU

Year: 5967 Days

Day: 11.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,462,358 km

• M1: 180,265 km (0.09 R)
• M2: 757,713 km (0.101 R)
• M3: 1,312,721 km (0.119 R)
• M4: 1,999,675 km (0.113 R)
• M5: 2,600,310 km (0.083 R)
• M6: 3,072,142 km (0.092 R)
• M7: 4,433,034 km (0.107 R)
• M8: 5,466,007 km (0.11 R)
• M9: 6,862,802 km (0.119 R)
• M10: 8,210,530 km (0.086 R)
• M11: 8,875,492 km (0.117 R)
• M12: 9,882,286 km (0.106 R)
• M13: 11,172,418 km (0.115 R)
• M14: 12,986,292 km (0.057 R)
• M15: 13,890,461 km (0.113 R)
• M16: 15,560,273 km (0.072 R)
• M17: 16,307,813 km (0.05 R)
• M18: 16,856,239 km (0.084 R)
• M19: 19,724,330 km (0.086 R)
• M20: 22,228,748 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.1

Radius: 13.1

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.3 AU - 5.92 AU

Year: 8861 Days

Day: 10.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,462,358 km

• M1: 167,550 km (0.098 R)
• M2: 805,435 km (0.098 R)
• M3: 1,616,555 km (0.082 R)
• M4: 2,252,046 km (0.094 R)
• M5: 2,718,343 km (0.081 R)
• M6: 3,204,237 km (0.105 R)
• M7: 4,464,898 km (0.119 R)
• M8: 5,053,416 km (0.113 R)
• M9: 5,964,168 km (0.047 R)
• M10: 6,422,835 km (0.11 R)
• M11: 7,019,880 km (0.104 R)
• M12: 8,282,187 km (0.069 R)
• M13: 11,520,382 km (0.076 R)
• M14: 14,242,764 km (0.048 R)
• M15: 15,260,180 km (0.073 R)
• M16: 20,053,445 km (0.07 R)
• M17: 21,249,779 km (0.113 R)
• M18: 22,408,714 km (0.107 R)
• M19: 23,609,386 km (0.086 R)
• M20: 27,084,395 km (0.112 R)
• M21: 32,806,663 km (0.061 R)
• M22: 34,691,597 km (0.105 R)
• M23: 35,145,327 km (0.097 R)
• M24: 39,904,185 km (0.102 R)
• M25: 41,031,255 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.3

Radius: 4.3

Gravity: 30.47 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.51 AU - 6.99 AU

Year: 9195 Days

Day: 17.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 42,462,358 km

• M1: 53,406 km (0.113 R)
• M2: 199,414 km (0.077 R)
• M3: 344,374 km (0.03 R)
• M4: 647,160 km (0.098 R)
• M5: 1,087,726 km (0.109 R)
• M6: 1,676,543 km (0.076 R)
• M7: 1,966,913 km (0.057 R)
• M8: 2,344,049 km (0.053 R)
• M9: 2,706,973 km (0.112 R)
• M10: 5,580,300 km (0.042 R)
• M11: 5,778,966 km (0.113 R)
• M12: 7,541,079 km (0.074 R)
• M13: 9,679,431 km (0.061 R)
• M14: 10,607,237 km (0.104 R)
• M15: 13,038,352 km (0.105 R)
• M16: 16,081,173 km (0.104 R)
• M17: 19,339,265 km (0.118 R)
• M18: 19,490,059 km (0.108 R)
• M19: 20,101,316 km (0.082 R)
• M20: 20,411,732 km (0.119 R)
• M21: 20,804,277 km (0.11 R)
• M22: 22,259,116 km (0.106 R)
• M23: 23,180,639 km (0.12 R)
• M24: 23,866,695 km (0.097 R)
• M25: 25,640,925 km (0.1 R)
• M26: 26,282,102 km (0.095 R)
• M27: 28,561,674 km (0.114 R)
• M28: 30,763,905 km (0.11 R)
• M29: 31,906,383 km (0.032 R)
• M30: 32,541,277 km (0.078 R)
• M31: 33,836,346 km (0.049 R)
• M32: 34,385,968 km (0.109 R)
• M33: 37,107,153 km (0.074 R)
• M34: 37,457,063 km (0.086 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: 235 - 10,963 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit