🌌 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 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.52 AU - 0.72 AU

Year: 320 Days

Day: 15.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 75,805,877 km

• M1: 90,208 km (0.111 R)
• M2: 344,225 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.8

Radius: 13.6

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.67 AU - 1.03 AU

Year: 514 Days

Day: 12 Hours

Environment

Temp: -149 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,805,877 km

• M1: 169,195 km (0.103 R)
• M2: 628,311 km (0.095 R)
• M3: 1,567,038 km (0.097 R)
• M4: 2,101,551 km (0.086 R)
• M5: 3,501,637 km (0.107 R)
• M6: 4,578,592 km (0.049 R)
• M7: 5,046,535 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.3

Radius: 13.7

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.79 AU - 1.19 AU

Year: 646 Days

Day: 10.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,805,877 km

• M1: 170,392 km (0.116 R)
• M2: 637,736 km (0.112 R)
• M3: 1,066,932 km (0.089 R)
• M4: 2,266,109 km (0.074 R)
• M5: 2,717,894 km (0.077 R)
• M6: 3,287,264 km (0.099 R)
• M7: 3,806,967 km (0.108 R)
• M8: 4,566,625 km (0.115 R)
• M9: 5,639,241 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.5

Radius: 9.5

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.99 AU - 2.67 AU

Year: 2333 Days

Day: 9.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,805,877 km

• M1: 124,765 km (0.071 R)
• M2: 458,218 km (0.047 R)
• M3: 970,441 km (0.119 R)
• M4: 1,371,663 km (0.119 R)
• M5: 1,904,231 km (0.101 R)
• M6: 2,897,262 km (0.091 R)
• M7: 5,511,335 km (0.12 R)
• M8: 6,618,060 km (0.062 R)
• M9: 6,963,781 km (0.115 R)
• M10: 9,801,054 km (0.108 R)
• M11: 13,163,565 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.3

Radius: 12.4

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.41 AU - 3.77 AU

Year: 3563 Days

Day: 7.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,805,877 km

• M1: 170,392 km (0.103 R)
• M2: 767,736 km (0.066 R)
• M3: 1,171,052 km (0.058 R)
• M4: 1,744,610 km (0.08 R)
• M5: 2,349,135 km (0.118 R)
• M6: 3,466,931 km (0.111 R)
• M7: 4,546,878 km (0.12 R)
• M8: 6,755,391 km (0.071 R)
• M9: 7,867,950 km (0.117 R)
• M10: 10,329,733 km (0.087 R)
• M11: 12,639,225 km (0.104 R)
• M12: 13,513,325 km (0.116 R)
• M13: 15,327,947 km (0.085 R)
• M14: 15,930,378 km (0.093 R)
• M15: 17,476,472 km (0.088 R)
• M16: 17,893,102 km (0.039 R)
• M17: 18,746,408 km (0.079 R)
• M18: 20,798,592 km (0.039 R)
• M19: 21,401,771 km (0.096 R)
• M20: 23,932,069 km (0.105 R)

Asteroid Belt

Center: 3.61 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.3

Radius: 9.2

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.82 AU - 4.42 AU

Year: 5486 Days

Day: 6.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,805,877 km

• M1: 128,953 km (0.034 R)
• M2: 1,206,806 km (0.115 R)
• M3: 1,550,283 km (0.091 R)
• M4: 1,916,349 km (0.119 R)
• M5: 2,405,384 km (0.05 R)
• M6: 3,376,424 km (0.102 R)
• M7: 3,767,473 km (0.084 R)
• M8: 4,512,021 km (0.117 R)
• M9: 5,125,522 km (0.115 R)
• M10: 5,496,226 km (0.099 R)
• M11: 5,854,213 km (0.04 R)
• M12: 7,698,905 km (0.039 R)
• M13: 8,109,850 km (0.112 R)
• M14: 9,222,110 km (0.044 R)
• M15: 10,165,026 km (0.049 R)
• M16: 13,379,585 km (0.106 R)
• M17: 14,586,391 km (0.084 R)
• M18: 16,104,510 km (0.059 R)
• M19: 17,405,413 km (0.094 R)
• M20: 20,074,987 km (0.102 R)
• M21: 22,023,948 km (0.042 R)
• M22: 25,465,148 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833

Radius: 5.6

Gravity: 26.56 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.66 AU - 7.98 AU

Year: 11684 Days

Day: 22.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 75,805,877 km

• M1: 69,713 km (0.104 R)
• M2: 324,328 km (0.116 R)
• M3: 509,680 km (0.119 R)
• M4: 796,010 km (0.092 R)
• M5: 1,020,706 km (0.087 R)
• M6: 2,033,633 km (0.079 R)
• M7: 2,258,479 km (0.101 R)
• M8: 2,563,060 km (0.034 R)
• M9: 3,380,762 km (0.088 R)
• M10: 3,863,215 km (0.087 R)
• M11: 5,269,735 km (0.113 R)
• M12: 5,587,181 km (0.07 R)
• M13: 6,738,636 km (0.09 R)
• M14: 7,070,743 km (0.105 R)
• M15: 7,767,421 km (0.112 R)
• M16: 8,319,287 km (0.067 R)
• M17: 10,077,960 km (0.101 R)
• M18: 10,347,984 km (0.097 R)
• M19: 11,476,550 km (0.087 R)
• M20: 16,292,704 km (0.116 R)
• M21: 19,512,948 km (0.034 R)
• M22: 27,073,624 km (0.059 R)
• M23: 28,124,250 km (0.102 R)
• M24: 30,756,275 km (0.07 R)
• M25: 32,015,590 km (0.088 R)
• M26: 36,503,676 km (0.063 R)
• M27: 38,699,623 km (0.101 R)
• M28: 41,393,731 km (0.118 R)
• M29: 51,805,443 km (0.032 R)
• M30: 53,258,936 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 78.2

Radius: 5.4

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.61 AU - 8.95 AU

Year: 12886 Days

Day: 22.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,805,877 km

• M1: 99,931 km (0.07 R)
• M2: 476,020 km (0.111 R)
• M3: 737,069 km (0.094 R)
• M4: 1,165,966 km (0.059 R)
• M5: 1,435,990 km (0.042 R)
• M6: 2,235,740 km (0.109 R)
• M7: 2,406,880 km (0.054 R)
• M8: 2,882,601 km (0.063 R)
• M9: 3,459,600 km (0.093 R)
• M10: 3,710,775 km (0.078 R)
• M11: 5,794,823 km (0.101 R)
• M12: 6,645,137 km (0.073 R)
• M13: 8,328,263 km (0.099 R)
• M14: 10,621,150 km (0.109 R)
• M15: 13,507,042 km (0.058 R)
• M16: 14,130,416 km (0.059 R)
• M17: 15,943,543 km (0.087 R)
• M18: 17,537,957 km (0.098 R)
• M19: 18,029,984 km (0.113 R)
• M20: 19,365,594 km (0.098 R)
• M21: 21,247,086 km (0.097 R)
• M22: 23,840,814 km (0.102 R)
• M23: 25,682,514 km (0.086 R)
• M24: 25,998,315 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.1

Radius: 6.1

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.41 AU - 9.37 AU

Year: 14539 Days

Day: 18.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,805,877 km

• M1: 80,484 km (0.089 R)
• M2: 609,911 km (0.117 R)
• M3: 1,269,188 km (0.11 R)
• M4: 1,720,525 km (0.079 R)
• M5: 2,376,063 km (0.039 R)
• M6: 2,917,906 km (0.104 R)
• M7: 3,425,791 km (0.031 R)
• M8: 8,096,087 km (0.031 R)
• M9: 8,627,010 km (0.084 R)
• M10: 10,218,133 km (0.062 R)
• M11: 10,741,127 km (0.078 R)
• M12: 11,840,073 km (0.078 R)
• M13: 12,363,666 km (0.095 R)
• M14: 14,613,169 km (0.088 R)
• M15: 15,276,635 km (0.108 R)
• M16: 15,646,890 km (0.082 R)
• M17: 16,341,024 km (0.073 R)
• M18: 16,858,782 km (0.076 R)
• M19: 19,540,324 km (0.092 R)
• M20: 19,903,398 km (0.081 R)
• M21: 22,811,880 km (0.073 R)
• M22: 23,868,639 km (0.088 R)
• M23: 28,795,197 km (0.09 R)
• M24: 35,315,121 km (0.054 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976.2

Radius: 4.6

Gravity: 46.13 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 7.5 AU - 9.78 AU

Year: 16660 Days

Day: 16.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,805,877 km

• M1: 57,296 km (0.088 R)
• M2: 231,428 km (0.115 R)
• M3: 477,217 km (0.105 R)
• M4: 663,167 km (0.111 R)
• M5: 990,936 km (0.108 R)
• M6: 2,657,457 km (0.088 R)
• M7: 3,034,443 km (0.071 R)
• M8: 4,725,647 km (0.103 R)
• M9: 6,465,919 km (0.104 R)
• M10: 8,330,058 km (0.059 R)
• M11: 9,697,233 km (0.066 R)
• M12: 10,283,657 km (0.09 R)
• M13: 10,769,700 km (0.046 R)
• M14: 11,018,332 km (0.09 R)
• M15: 12,867,212 km (0.084 R)
• M16: 19,178,896 km (0.075 R)
• M17: 20,478,004 km (0.101 R)
• M18: 24,297,836 km (0.1 R)
• M19: 26,039,005 km (0.102 R)
• M20: 26,826,339 km (0.098 R)
• M21: 28,095,228 km (0.073 R)
• M22: 29,162,908 km (0.102 R)
• M23: 31,758,730 km (0.042 R)
• M24: 38,986,103 km (0.082 R)
• M25: 43,683,177 km (0.068 R)
• M26: 48,069,685 km (0.111 R)
• M27: 49,766,125 km (0.113 R)
• M28: 51,853,913 km (0.08 R)
• M29: 54,545,029 km (0.119 R)
• M30: 56,203,471 km (0.096 R)
• M31: 59,041,792 km (0.03 R)
• M32: 64,797,420 km (0.104 R)
• M33: 67,915,937 km (0.101 R)
• M34: 70,698,458 km (0.063 R)
• M35: 72,008,037 km (0.093 R)
• M36: 73,778,977 km (0.095 R)
• M37: 75,126,255 km (0.108 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 10,984 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit