🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.1

Radius: 8.4

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.58 AU - 0.64 AU

Year: 323 Days

Day: 7.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,465,359 km

• M1: 105,167 km (0.111 R)
• M2: 430,991 km (0.103 R)
• M3: 737,218 km (0.119 R)
• M4: 1,111,811 km (0.113 R)
• M5: 1,467,555 km (0.095 R)
• M6: 1,813,725 km (0.11 R)
• M7: 2,259,227 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.8

Radius: 9.6

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.53 AU - 0.75 AU

Year: 347 Days

Day: 13.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,465,359 km

• M1: 119,379 km (0.111 R)
• M2: 489,335 km (0.046 R)
• M3: 919,578 km (0.109 R)
• M4: 1,219,522 km (0.117 R)
• M5: 1,596,957 km (0.114 R)
• M6: 2,459,688 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.9

Radius: 13.7

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.65 AU - 0.65 AU

Year: 355 Days

Day: 8.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,465,359 km

• M1: 170,392 km (0.046 R)
• M2: 635,492 km (0.084 R)
• M3: 1,100,442 km (0.062 R)
• M4: 1,607,130 km (0.025 R)
• M5: 2,046,200 km (0.072 R)
• M6: 2,584,752 km (0.109 R)
• M7: 3,029,806 km (0.117 R)
• M8: 4,090,006 km (0.065 R)
• M9: 4,699,468 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.1

Radius: 10.5

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.93 AU - 1.23 AU

Year: 761 Days

Day: 7.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,465,359 km

• M1: 130,749 km (0.102 R)
• M2: 468,690 km (0.099 R)
• M3: 866,022 km (0.1 R)
• M4: 1,216,380 km (0.088 R)
• M5: 1,812,977 km (0.078 R)
• M6: 2,370,977 km (0.114 R)
• M7: 3,386,597 km (0.106 R)
• M8: 3,716,609 km (0.087 R)
• M9: 5,010,781 km (0.081 R)
• M10: 5,459,574 km (0.047 R)
• M11: 5,837,907 km (0.03 R)
• M12: 6,294,480 km (0.053 R)
• M13: 7,903,854 km (0.108 R)
• M14: 8,339,632 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.8

Radius: 13.9

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.04 AU - 2.34 AU

Year: 2198 Days

Day: 13.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,465,359 km

• M1: 172,935 km (0.119 R)
• M2: 608,863 km (0.115 R)
• M3: 1,045,540 km (0.106 R)
• M4: 1,610,421 km (0.117 R)
• M5: 2,366,489 km (0.115 R)
• M6: 2,808,700 km (0.098 R)
• M7: 4,309,765 km (0.102 R)
• M8: 5,691,451 km (0.118 R)
• M9: 7,703,094 km (0.118 R)
• M10: 9,255,770 km (0.101 R)
• M11: 10,214,243 km (0.095 R)
• M12: 10,685,926 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.7

Radius: 10.4

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.87 AU - 2.87 AU

Year: 2475 Days

Day: 11.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,465,359 km

• M1: 129,402 km (0.047 R)
• M2: 493,823 km (0.116 R)
• M3: 956,678 km (0.079 R)
• M4: 1,290,431 km (0.104 R)
• M5: 1,831,078 km (0.114 R)
• M6: 2,772,647 km (0.102 R)
• M7: 3,203,788 km (0.085 R)
• M8: 3,626,402 km (0.119 R)
• M9: 4,360,180 km (0.078 R)
• M10: 6,172,259 km (0.063 R)
• M11: 7,331,193 km (0.086 R)
• M12: 9,149,705 km (0.08 R)
• M13: 10,433,255 km (0.102 R)
• M14: 11,213,108 km (0.116 R)
• M15: 12,889,053 km (0.102 R)
• M16: 13,440,022 km (0.088 R)
• M17: 15,850,642 km (0.05 R)
• M18: 16,189,182 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.7

Radius: 3.1

Gravity: 57.41 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.31 AU - 7.83 AU

Year: 11422 Days

Day: 20.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 48,465,359 km

• M1: 39,793 km (0.056 R)
• M2: 153,039 km (0.099 R)
• M3: 439,818 km (0.105 R)
• M4: 623,225 km (0.06 R)
• M5: 754,572 km (0.095 R)
• M6: 944,711 km (0.051 R)
• M7: 1,165,667 km (0.096 R)
• M8: 2,445,476 km (0.055 R)
• M9: 2,774,143 km (0.085 R)
• M10: 3,039,380 km (0.097 R)
• M11: 3,620,268 km (0.114 R)
• M12: 3,776,449 km (0.11 R)
• M13: 4,214,621 km (0.083 R)
• M14: 4,535,059 km (0.072 R)
• M15: 5,029,630 km (0.115 R)
• M16: 5,593,464 km (0.108 R)
• M17: 6,535,632 km (0.089 R)
• M18: 7,791,207 km (0.072 R)
• M19: 8,407,700 km (0.092 R)
• M20: 10,874,568 km (0.057 R)
• M21: 12,040,684 km (0.085 R)
• M22: 12,624,116 km (0.03 R)
• M23: 13,973,638 km (0.083 R)
• M24: 15,013,493 km (0.086 R)
• M25: 15,484,277 km (0.075 R)
• M26: 21,497,513 km (0.085 R)
• M27: 22,095,007 km (0.042 R)
• M28: 23,323,355 km (0.115 R)
• M29: 25,062,281 km (0.094 R)
• M30: 27,479,184 km (0.115 R)
• M31: 27,879,807 km (0.117 R)
• M32: 29,941,266 km (0.029 R)
• M33: 30,152,797 km (0.084 R)
• M34: 36,731,064 km (0.052 R)
• M35: 37,461,700 km (0.103 R)
• M36: 39,077,657 km (0.107 R)
• M37: 40,739,689 km (0.064 R)
• M38: 41,917,473 km (0.082 R)
• M39: 45,168,683 km (0.057 R)
• M40: 48,293,185 km (0.081 R)
• M41: 48,584,152 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 64.5

Radius: 4.5

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.27 AU - 8.19 AU

Year: 14577 Days

Day: 16.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 119 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,465,359 km

• M1: 55,950 km (0.116 R)
• M2: 203,304 km (0.101 R)
• M3: 625,170 km (0.098 R)
• M4: 1,007,542 km (0.088 R)
• M5: 1,640,191 km (0.061 R)
• M6: 2,218,985 km (0.111 R)
• M7: 2,538,077 km (0.119 R)
• M8: 2,942,291 km (0.061 R)
• M9: 4,364,368 km (0.045 R)
• M10: 6,159,992 km (0.104 R)
• M11: 6,344,296 km (0.066 R)
• M12: 8,321,082 km (0.1 R)
• M13: 8,546,526 km (0.034 R)
• M14: 10,542,611 km (0.102 R)
• M15: 10,850,932 km (0.093 R)
• M16: 12,241,295 km (0.082 R)
• M17: 12,581,929 km (0.04 R)
• M18: 13,642,129 km (0.109 R)
• M19: 17,604,827 km (0.067 R)
• M20: 19,647,436 km (0.07 R)
• M21: 21,842,785 km (0.12 R)
• M22: 24,424,994 km (0.049 R)
• M23: 24,964,893 km (0.056 R)
• M24: 25,433,882 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.8

Radius: 3

Gravity: 43.09 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 6.04 AU - 9.6 AU

Year: 14832 Days

Day: 18 Hours

Environment

Temp: -224 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,465,359 km

• M1: 55,052 km (0.046 R)
• M2: 342,878 km (0.106 R)
• M3: 585,975 km (0.069 R)
• M4: 680,820 km (0.088 R)
• M5: 2,421,690 km (0.101 R)
• M6: 2,754,845 km (0.105 R)
• M7: 5,020,804 km (0.099 R)
• M8: 6,595,621 km (0.1 R)
• M9: 6,913,666 km (0.029 R)
• M10: 7,884,556 km (0.103 R)
• M11: 8,379,575 km (0.033 R)
• M12: 11,966,184 km (0.095 R)
• M13: 13,801,451 km (0.096 R)
• M14: 15,606,349 km (0.068 R)
• M15: 16,893,190 km (0.107 R)
• M16: 26,028,833 km (0.107 R)
• M17: 32,134,371 km (0.101 R)
• M18: 32,587,503 km (0.069 R)
• M19: 33,044,973 km (0.098 R)
• M20: 36,244,722 km (0.075 R)
• M21: 38,999,866 km (0.027 R)
• M22: 43,251,587 km (0.117 R)
• M23: 44,781,524 km (0.061 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237

Radius: 5.9

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 7.58 AU - 9.74 AU

Year: 17285 Days

Day: 23.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 48,465,359 km

• M1: 73,453 km (0.037 R)
• M2: 323,879 km (0.079 R)
• M3: 662,120 km (0.083 R)
• M4: 1,068,877 km (0.108 R)
• M5: 1,719,328 km (0.094 R)
• M6: 2,077,914 km (0.104 R)
• M7: 2,899,955 km (0.078 R)
• M8: 3,147,240 km (0.113 R)
• M9: 3,974,815 km (0.044 R)
• M10: 4,661,918 km (0.067 R)
• M11: 5,129,711 km (0.064 R)
• M12: 6,568,394 km (0.059 R)
• M13: 6,956,451 km (0.084 R)
• M14: 7,863,911 km (0.117 R)
• M15: 8,755,215 km (0.101 R)
• M16: 8,941,166 km (0.057 R)
• M17: 11,495,250 km (0.094 R)
• M18: 12,116,081 km (0.08 R)
• M19: 14,304,399 km (0.116 R)
• M20: 17,174,733 km (0.105 R)
• M21: 22,338,552 km (0.12 R)
• M22: 23,571,987 km (0.111 R)
• M23: 24,480,345 km (0.071 R)
• M24: 26,077,602 km (0.046 R)
• M25: 26,755,130 km (0.087 R)
• M26: 30,002,302 km (0.056 R)
• M27: 30,853,364 km (0.075 R)
• M28: 31,939,594 km (0.117 R)
• M29: 33,051,106 km (0.079 R)
• M30: 34,188,200 km (0.105 R)
• M31: 36,540,178 km (0.026 R)
• M32: 43,155,695 km (0.03 R)
• M33: 43,424,971 km (0.113 R)
• M34: 46,602,429 km (0.117 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 11,659 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit