🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.4

Radius: 11.9

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.67 AU - 0.97 AU

Year: 479 Days

Day: 13.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,873,494 km

• M1: 147,952 km (0.056 R)
• M2: 666,010 km (0.095 R)
• M3: 1,126,322 km (0.092 R)
• M4: 1,501,364 km (0.094 R)
• M5: 1,978,432 km (0.111 R)
• M6: 2,586,248 km (0.104 R)
• M7: 3,255,998 km (0.109 R)
• M8: 3,795,148 km (0.099 R)
• M9: 4,526,383 km (0.094 R)
• M10: 5,450,449 km (0.067 R)
• M11: 5,885,779 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246

Radius: 9.7

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.3 AU - 1.88 AU

Year: 1295 Days

Day: 9.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,873,494 km

• M1: 120,875 km (0.107 R)
• M2: 730,786 km (0.118 R)
• M3: 1,071,570 km (0.033 R)
• M4: 1,833,172 km (0.09 R)
• M5: 2,140,147 km (0.084 R)
• M6: 2,765,017 km (0.09 R)
• M7: 3,237,148 km (0.12 R)
• M8: 4,408,350 km (0.098 R)
• M9: 4,878,686 km (0.063 R)
• M10: 6,925,633 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.7

Radius: 8.4

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.39 AU - 3.07 AU

Year: 2912 Days

Day: 11.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,873,494 km

• M1: 104,569 km (0.079 R)
• M2: 469,139 km (0.11 R)
• M3: 768,783 km (0.085 R)
• M4: 1,335,161 km (0.085 R)
• M5: 1,671,906 km (0.094 R)
• M6: 1,939,836 km (0.102 R)
• M7: 3,038,333 km (0.115 R)
• M8: 3,314,939 km (0.059 R)
• M9: 4,751,976 km (0.108 R)
• M10: 6,765,115 km (0.115 R)
• M11: 7,209,121 km (0.116 R)
• M12: 7,799,135 km (0.108 R)
• M13: 9,075,355 km (0.05 R)
• M14: 10,177,143 km (0.063 R)
• M15: 11,530,854 km (0.119 R)
• M16: 14,689,165 km (0.11 R)
• M17: 16,308,262 km (0.082 R)
• M18: 17,819,650 km (0.118 R)
• M19: 18,099,098 km (0.113 R)
• M20: 18,954,948 km (0.092 R)
• M21: 19,246,065 km (0.093 R)
• M22: 19,658,806 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.1

Radius: 10.9

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.13 AU - 4.35 AU

Year: 4670 Days

Day: 8.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,873,494 km

• M1: 136,284 km (0.089 R)
• M2: 484,847 km (0.114 R)
• M3: 1,282,951 km (0.087 R)
• M4: 1,700,928 km (0.111 R)
• M5: 2,855,225 km (0.077 R)
• M6: 4,345,968 km (0.054 R)
• M7: 4,808,674 km (0.097 R)
• M8: 5,593,764 km (0.089 R)
• M9: 6,079,508 km (0.059 R)
• M10: 7,671,528 km (0.096 R)
• M11: 9,066,678 km (0.085 R)
• M12: 10,761,472 km (0.062 R)
• M13: 12,864,818 km (0.105 R)
• M14: 15,170,720 km (0.104 R)
• M15: 17,103,375 km (0.088 R)
• M16: 17,868,718 km (0.104 R)
• M17: 18,991,749 km (0.053 R)
• M18: 20,302,077 km (0.109 R)
• M19: 21,671,795 km (0.097 R)
• M20: 23,488,661 km (0.044 R)
• M21: 25,159,819 km (0.069 R)
• M22: 26,317,257 km (0.12 R)
• M23: 26,738,974 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.8

Radius: 9.7

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.68 AU - 4.02 AU

Year: 4878 Days

Day: 9.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,873,494 km

• M1: 120,725 km (0.072 R)
• M2: 430,543 km (0.117 R)
• M3: 891,753 km (0.064 R)
• M4: 2,381,748 km (0.095 R)
• M5: 3,152,326 km (0.068 R)
• M6: 3,676,966 km (0.106 R)
• M7: 4,102,572 km (0.117 R)
• M8: 4,466,394 km (0.037 R)
• M9: 5,027,236 km (0.032 R)
• M10: 7,993,014 km (0.103 R)
• M11: 12,146,599 km (0.091 R)
• M12: 16,340,127 km (0.067 R)
• M13: 18,884,338 km (0.114 R)
• M14: 19,639,059 km (0.101 R)
• M15: 23,214,448 km (0.093 R)
• M16: 24,226,777 km (0.115 R)
• M17: 25,042,684 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.3

Radius: 12.5

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.27 AU - 5.69 AU

Year: 7176 Days

Day: 7.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,873,494 km

• M1: 155,432 km (0.032 R)
• M2: 553,063 km (0.112 R)
• M3: 1,257,669 km (0.086 R)
• M4: 1,670,410 km (0.106 R)
• M5: 2,437,548 km (0.097 R)
• M6: 3,049,852 km (0.083 R)
• M7: 3,787,668 km (0.106 R)
• M8: 4,389,052 km (0.102 R)
• M9: 5,083,635 km (0.091 R)
• M10: 6,157,149 km (0.062 R)
• M11: 8,402,613 km (0.05 R)
• M12: 9,244,400 km (0.114 R)
• M13: 9,662,377 km (0.099 R)
• M14: 11,044,512 km (0.058 R)
• M15: 12,952,333 km (0.09 R)
• M16: 14,197,586 km (0.119 R)
• M17: 16,380,668 km (0.113 R)
• M18: 16,925,353 km (0.119 R)
• M19: 23,310,789 km (0.109 R)
• M20: 33,804,332 km (0.092 R)
• M21: 34,354,702 km (0.071 R)
• M22: 36,731,962 km (0.088 R)
• M23: 41,309,058 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 740.8

Radius: 7

Gravity: 15.12 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 6.89 AU - 8.99 AU

Year: 14446 Days

Day: 19.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,873,494 km

• M1: 87,066 km (0.082 R)
• M2: 510,877 km (0.1 R)
• M3: 728,691 km (0.099 R)
• M4: 1,021,753 km (0.104 R)
• M5: 2,262,369 km (0.037 R)
• M6: 2,576,674 km (0.118 R)
• M7: 3,293,248 km (0.094 R)
• M8: 4,672,689 km (0.115 R)
• M9: 5,113,854 km (0.12 R)
• M10: 6,858,614 km (0.081 R)
• M11: 8,415,778 km (0.098 R)
• M12: 8,813,858 km (0.088 R)
• M13: 9,381,731 km (0.066 R)
• M14: 10,820,713 km (0.038 R)
• M15: 12,085,713 km (0.058 R)
• M16: 13,648,861 km (0.089 R)
• M17: 13,922,027 km (0.116 R)
• M18: 16,163,452 km (0.11 R)
• M19: 21,622,876 km (0.094 R)
• M20: 23,230,305 km (0.091 R)
• M21: 23,914,716 km (0.117 R)
• M22: 29,653,888 km (0.088 R)
• M23: 31,043,204 km (0.093 R)
• M24: 32,596,778 km (0.106 R)
• M25: 34,452,838 km (0.091 R)
• M26: 34,832,368 km (0.091 R)
• M27: 42,293,412 km (0.085 R)
• M28: 48,978,044 km (0.05 R)
• M29: 51,408,710 km (0.096 R)
• M30: 51,904,328 km (0.118 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 19,480 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit